Research Publications and Patents

Technology Transferred/Patents

Mehata M.S.*, Sharma, V., Tandon, A.(2019): Light-emitting metal and dual metal-doped zinc selenide quantum dots and method thereof.

Patent No. 531913  date of Award 05.04.2024 

Mehata M.S.* (2020):  System and method for detecting trivalent metal ions.

Patent No. 463021 date of Award 27.10.2023

Mehata M.S.* (2021): Apparatus and method for detecting electric field modulated absorption and photoluminescence of a sample.

Patent No. 529469 date of Award 21.03.2024

Mehata M.S.* and Aneesha (2022): Probe for the detection of ferric ions in aqueous environments and method thereof.

Patent No. 491999 date of Award 13.12.2023 

Papers in refereed journals

Please visit the Google Scholar link for research papers published From 2021 to the Present: https://scholar.google.com/citations?user=FAVudboAAAAJ&hl=en

Mehata M. S.*

An efficient excited-state proton transfer fluorescence quenching based probe (7-hydroxyquinoline) for sensing trivalent cations in aqueous environment.

Journal of Molecular Liquids 326 (2021) 115379. ISI Impact Factor=6.17.

Mehata M. S.*

Green route synthesis of silver nanoparticles using plants/ginger extracts with enhanced surface plasmon resonance and degradation of textile dye.

Materials Science & Engineering B 273 (2021) 115418. ISI Impact Factor=4.05.

Mehata M. S.*, Biswas S.

Synthesis of fluorescent graphene quantum dots from graphene oxide and their application in fabrication of GQDs@AgNPs nanohybrids and sensing of H2O2.

Ceramics International, 47 (2021) 19063–19072. ISI Impact Factor=5.20.

Mehata M. S.*, Singh M.K., Rana S., Awasthi K. Sharma P., Ohta N.,

Temperature-dependent absorption and electroabsorption of 2D-molybdenum disulfide (MoS2) thin films.

Journal of Physical Chemistry C, 125 (2021) 26566–26574. ISI Impact Factor=4.23.

Mehata M.S*, Sharma V., Tandon A., Aybush A., Gostev F., Nadtochenko V.*

Micro- to femtosecond exciton dynamics of light-emitting metal incorporated zinc-selenide (ZnSe) quantum dots for possible white QLEDs.

ACS Nano (2021) to be Communicated.

Singh M.K., Mehata M. S.*  

Temperature-dependent photoluminescence and decay times of different phases of grown TiO2 nanoparticles:Carrier dynamics and trap states.

Ceramics International, (2021) in press. ISIImpact Factor=5.20.

Pandey N., Mehata M. S.*, Pant S., Tewari N.

Structural, Electronic and NLOProperties of 6‑aminoquinoline: A DFT/ TD‑DFT Study.

Journal of Fluorescence, (2021) in press. ISI Impact Factor=2.22.

Kumar D., Mehata M. S.*

Synthesis of diamagnetic ZnOnano-crystallites via sol-gel method and their photocatalytic activity.

Indian Journal of Engineering and Materials Sciences (IJEMS), (2021) in press. ISI Impact Factor=0.881.

Sharma V., Mehata M. S.*

Synthesis of photoactivated highly fluorescent Mn2+-doped ZnSe quantum dots as effective lead sensor in drinking water.

Materials Research Bulletin 134 (2021) 111121. ISI Impact Factor=5.40.

Sharma, V., Mehata, M. S.*

Rapid optical sensor for recognition of explosive 2,4,6-TNP traces in water through fluorescent ZnSe quantum dots.

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 260 (2021) 119937. ISI Impact Factor=4.19.

Meena, V.S., Mehata, M. S.*

Investigation of grown ZnS film on HgCdTe substrate for passivation of infrared photodetector.

Thin Solid Films, 731 (2021) 138751. ISIImpact Factor=2.18.

Aryan, Ruby, Mehata, M.S.⁎

Green synthesis of silver nanoparticles using Kalanchoe pinnata leaves(life plant) and their antibacterial and photocatalytic activities.

Chemical Physics Letters, 778 (2021) 138760. ISI Impact Factor=2.33.

Pandey, N., Mehata, M. S.*, Pant, S.

Interaction between picric acid and 5-aminoquinoline: A theoretical study,

Journal of Atomic, Molecular, Condensed Matter & Nano Physics, 8 (2021) 63–69.

Fatma, N., Mehata, M. S.*, Pandey, N., Pant, S.

Experimental and theoretical interpretations of spectral behavior of 6-methoxyflavone.

Journal of Photochemistry & Photobiology A: Chemistry 404 (2021)112945. ISI Impact Factor= 5.29.

Husain, S., Mehata, M. S.*, Pandey, N., Mishra, H., Pant, S.

Reinvestigation of the photophysics of3-aminobenzoic acid in neat and mixed binary solvents.

Spectrochimica Acta Part A: Molecular and BiomolecularSpectroscopy 247 (2021) 119100. ISI Impact Factor = 4.19.

Adhikari, M., Joshi, N.K., Joshi, H. C., Mehata, M. S., Mishra, H., Pant, S.

Revisiting the photochemistry 2,5-dihydroxybenzoic acid (gentisic acid): Solvent and pH effect.

Journal of Physical Organic Chemistry (2020) e4168, ISI Impact Factor=2.39.

Sharma, P., Mehata, M. S.*

Rapidsensing of lead metal ions in an aqueous medium by MoS2 quantum dots fluorescence turn-of.

Materials Research Bulletin 131 (2020) 110978. ISI Impact Factor=5.20.

Singh, M.K., Mehata, M. S.*

Enhanced photoinduced catalytic activity of transition metal ions incorporated TiO2 nanoparticles for degradation of organic dye: Absorption and photoluminescence spectroscopy.

Optical Materials 109 (2020) 110309. ISI Impact Factor=3.08.

Pandey, N., Mehata, M. S.*, Fatma, N., Pant, S.

Modulation of Fluorescence properties of 5-aminoquinoline by Ag+ in aqueous media via charge transfer.

Journal of Photochemistry & Photobiology A: Chemistry 396 (2020) 112549. ISI Impact Factor=5.29. 

Sharma, P., Mehata, M. S.*

Colloidal MoS2quantum dots based optical sensor for detection of 2,4,6-TNP explosive in an aqueous medium.

Optical Materials 100 (2020) 109646. ISIImpact Factor=3.08. 

Fatma, N., Mehata, M. S.*, Pandey, N., Pant, S.

Flavones fluorescence-based dual response chemosensor for metal ions in aqueous media and fluorescence recovery.

Journal of Fluorescence, 30 (2020) 759-772. ISIImpact Factor=2.22. 

Rashmi, Motloung S.V., Mehata M.S., Dwivedi Y.

Bright red emission from doubly doped YAG:Pr/Sm nano phosphor and color modulation.

Optical Materials 107 (2020) 110106. ISIImpact Factor=3.08.

Mehata, M.S.*, R.K. Ratnesh

Luminescent properties and exciton dynamics of core-multi-shell semiconductor quantum dots leading to QLEDs.

Dalton Transactions, 48 (2019) 7619–7631. ISI Impact Factor = 4.39.  Selected as HOT article/ featured article of the Journal (2019).

Singh, M.K., Mehata, M.S.*

Phase-dependent optical and photocatalytic performance of synthesized titanium dioxide (TiO2) nanoparticles.

Optik - International Journal for Light and Electron Optics, 193 (2019) 163011. ISI Impact Factor = 2.44.

Nandan Y., Mehata M.S.*

Wavefunction Engineering of Type-I/Type-II Excitons of CdSe/CdS Core-Shell Quantum Dots.

Scientific Reports 9 (2019) 2 (www.nature.com). ISI Impact Factor=4.3. The article is in the 9thposition of Top 100 Scientific Reports (NPG) Materials Science papers in 2019.

Pandey, N., Mehata, M.S.*, Fatma, N., Pant, S.

Efficient fluorescence quenching of 5-aminoquinoline: Silver ion recognition study.

Journal of Luminescence 205 (2019) 475-48. ISI Impact Factor = 3.60.

Kumari, K. Tiwari, N., Mehata, M.S., Pandey, N., Tiwari, K., Ratnesh, R.K., Joshi, H., Pant, 

Steady-state and time-resolved fluorescence study of 7, 8-benzoquinoline: Reinvestigation of excited state protonation.

Journal of Molecular Structure 1180 (2019) 855e860. ISI Impact Factor = 3.20.

Ratnesh R.K., Mehata M.S.*

Tunable single and double emission semiconductor nanocrystal quantum dots: A multianalyte sensor.

Methods and Applications in Fluorescence 6 (2018) 035006. ISI Impact Factor = 3.01.

Mehata M.S.*

Spectral and time-resolved properties of photoinduced hydorxyquinolines doped thin polymer films.

Optical Materials 75 (2018) 751-756. ISI Impact Factor=3.08

Gosteva, F. E., Shelaeva, I. V., Aibusha, A.V., Kostrova, A. N., Titova, A. A., Kochevb, S.Yu., Kabachiib, Yu. A., Mehata, M.S.,Nadtochenko V. A.

Relaxation kinetics of excitonic states in ZnSe quantum dots: A femtosecond laser spectroscopy study.

High Energy Chemistry 52 (2018)283–288, ISI ImpactFactor = 0.81.

Jain, S., Mehata, M.S.*

Medicinal Plant Leaf Extract and Pure Flavonoid Mediated Green Synthesis of Silver Nanoparticles and their Enhanced Antibacterial Property.

Scientific Reports 7 (2017) 15867 (www.nature.com). ISI Impact Factor=4.3. The article is in the Top 100 ScientificReports (Nature Publishing Group) Chemistrypapers in 2017.

Mehata, M.S.*, Yang, Y., Han, K.L.

Probing charge transfer and short-lived triplet states of a bio-sensitive molecule, 2,6-ANS: Transient absorption and time-resolved spectroscopy.

ACS Omega 2 (2017) 6782-6785. ISI Impact Factor = 3.51.

Jha, S.K. Kumari, R., Choudhary, S., Guha, P., Satyam, P.V., Yadav, B.S., Naqvi, Z.,  Kushvaha, S.S., Ratnesh, R.K., Mehata, M.S., Jain, A., Panwar, A.K., Singh,F, Tyagi, P.K. Facile Synthesis of Semiconducting Ultrathin Layer of Molybdenum Disulfide.

Journal of Nanoscience and Nanotechnology 18 (1), 614-622. I.F. = 1.48

Ratnesh R.K., Mehata M.S.*

Investigation of biocompatible and protein sensitive highly luminescent quantum dots/nanocrystals of CdSe, CdSe/ZnS and CdSe/CdS.

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 179 (2017) 201–210. ISI Impact Factor = 4.19. The article appeared on the cover page of the volume of the Journal.

Mehata, M.S.*, Singh, A.K., Sinha, R.K.

Investigation of charge-separation/change in dipole moment of 7-azaindole: Quantitative measurement using solvatochromic shifts and computational approaches.

Journal of Molecular Liquids 231 (2017) 39–44. ISI Impact Factor = 6.17.

Ratnesh R.K., Mehata M.S.*

Synthesis and Optical Properties of Core-Multi-Shell CdSe/CdS/ZnS Quantum Dots: Surface modifications.

Optical Materials 64 (2017) 250-256. ISI Impact Factor = 3.08.

Mehata, M.S.*, Singh, A.K., Sinha, R.K.

Experimental and theoretical study of hydroxyquinolines: Hydroxyl group position dependent dipole moment and charge-separation in the photoexcited state leading to fluorescence.

Methods and Applications in Fluorescence 4 (2016) 045004. ISI Impact Factor = 3.01. The article is selected for the highlights of 2016.

Sharma R.K., Gajanan L.K., Mehata M.S. Hussain F., Kumar A. 

Synthesis, characterization and fluorescence turn-on behavior of new porphyrin analogue: meta-benziporphodimethenes.

Spectrochimica Acta Part A: Molecular and Bimolecular Spectroscopy 169 (2016) 58–65.   ISI Impact Factor = 4.19.

Sharma R.K., Gajanan L.K., Mehata M.S. Hussain F., Kumar A.

meta-Benziporphodimethenes: New cell-imaging porphyrin analogue molecules.

ChemistrySelect 1 (2016) 3502-3509 (Wiley-VCH, New Journal).  ISI Impact Factor = 2.11.

Verma A., Mehata, M.S.*

Controllable synthesis of silver nanoparticles using Neem leaves and their antimicrobial activity.

Journal of Radiation Research and Applied Science 9 (2016) 109-115. ISI Impact Factor = 2.96. The article is among the most downloaded articles of the journal.

Mehata, M.S.*

Enhancement of charge transfer and quenching of photoluminescence of capped CdS Quantum Dots.

Scientific Reports 5 (2015) 12056 (www.nature.com) ISI Impact Factor = 5.6.

Mehata, M.S.*, Yang, Y., Qu, Z.J., Chen, J.S., Zhao, F.J. Han, K.L.

Spin mixed charge transfer states of iridium complex Ir(ppy)3: Probed by transient absorption and time-resolved photoluminescence. (Correction).

RSC Advances 5 (2015) 75210.

Ratnesh, R.K., Mehata, M.S.*

Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH.

AIP Advances 5 (2015) 097114. ISI Impact Factor = 1.58.

Mehata, M.S.*, Yang, Y., Qu, Z.J., Chen, J.S., Zhao, F.J. Han, K.L.

Spin mixed charge transfer states of iridium complex Ir(ppy)3: Probed by transient absorption and time-resolved photoluminescence.

RSC Advances (Communication), 5 (2015) 34094-34099. ISI Impact Factor = 3.36.

Pandey P., Pant C.K., Gururani K., Arora P., Pandey N., Bhatt, P., Sharma, Y., Negi, J.S. Mehata, M.S.: 

Affinity of Smectite and Divalent Metal Ions (Mg2+, Ca2+, Cu2+) with L-Leucine: An Experimental and Theoretical Approach Relevant to Astrobiology.

Origins of Life and Evolution of Biospheres 45 (2015) 411–426. ISI Impact Factor = 1.95.

Liu, Y.H., Mehata, M.S., Lan, S.C.

TDDFT Study of the Polarity Controlled Ion-Pair Separation in an Excited-State Proton Transfer Reaction.

Spectrochimica Acta A, 128 (2014)280-284 (Elsevier Sci.). ISI Impact Factor = 3.23.

Pandey P., Pant C.K., Gururani K., Arora P., Kumar S., Sharma Y., Pathak H.D., Mehata, M.S.:

Surface Interaction of L-alanine on Hematite: An Astrobiological Implication.

Origins of Life and Evolution of Biospheres, 43 (2013) 331-339. (Springer). ISI Impact Factor = 1.95.

Mehata, M.S., Hsu, C.H., Lee, Y.P., Ohta, N.:

Electroabsorption and Electrophotoluminescence of Poly(2,3-diphenyl-5-hexylphenylene vinylene). 

Journal of Physical Chemistry C, 116 (2012) 14789-14795 (Am. Chem. Soc). ISI Impact Factor = 4.81. 

Mehata M.S.*

Stark Shifts and exciton dissociation in CdSe Nanoparticle grafted cconjugated polymer. 

Applied Physics Letters, 100 (2012) 151908-151908-4. (American Institute of Physics). ISI Impact Factor = 3.84.

Mehata M.S.*, Ohta N.: 

Photo- and field-induced charge-separation and phosphorescence quenching in organometallic complex Ir(ppy)3. 

Applied Physics Letters, 98, (2011) 181910-181910-3 (American Institute of Physics). ISI Impact Factor = 3.84. Thearticle is accepted as it (submitted) is by the Editorial board.

Liu Y.H., Mehata M.S., Liu J.Y.: 

Excited-state proton transfer via hydrogen-bonded acetic acid (AcOH) wire for 6-hydroxyquinoline. 

Journal of Physical Chemistry A, 115 (2011)19-24 (Am. Chem. Soc.). ISI Impact Factor = 2.95.

Mehata, M.S., Majumder, M. Mallik, B, Ohta, N.: 

External electric field effects on optical property and excitation dynamics of capped CdS quantum dots (QDs) embedded in a polymer film. 

Journal of Physical Chemistry C, 114 (37) (2010) 15594–15601 (Am. Chem. Soc.) ISI Impact Factor = 4.81.

Mehata, M.S., Hsu, C.H., Lee, Y.P., Ohta, N.: 

Electric field-induced enhancement/quenching of photoluminescence of p-conjugated polymer S3-PPV: Excitation energy dependence. 

Journal of Physical Chemistry B, 114 (19) (2010) 6258-6265 (Am. Chem. Soc.) ISI Impact Factor = 3.70.

Mehata, M.S., Hsu, C.H., Lee, Y.P., Ohta, N.: 

Electric field-induced enhancement/quenching of photoluminescence of p-conjugated polymer S3-PPV: Excitation energy dependence. (Corrections). 

Journal of Physical Chemistry B, 114 (31) (2010) 10234 (Am. Chem. Soc.) ISI Impact Factor = 3.70

Mehata, M.S., Hsu, C.H., Lee, Y.P., Ohta, N.: 

Electric field effects on photoluminescence of polyfluorene thin films: Dependence on excitation wavelength, field strength and temperature. 

Journal of Physical Chemistry C, 113 (27) (2009) 11907-11915 (Am. Chem. Soc). ISI Impact Factor = 4.81.

Mehata, M.S., Awasthi, K. Iimori, T., Ohta, N.: 

Electric field effects on state energy and molecular orientation of 2-hydroxyquinoline in solid polymer films. 

Journal of Photochemistry and Photobiology A, 204 (2009) 39-45 (Elsevier Sci.). ISI Impact Factor = 4.29.

Pant, C.K., Hem Lata, Pathak, H.D., Mehata, M.S.*: 

Heat initiated prebiotic formation of peptides from glycine-aspartic acid and glycine-valine in aqueous environment and clay suspension. 

International Journal of Astrobiology, 8 (2009) 107-115 (Cambridge Univ. Press). ISI Impact Factor = 1.72.

Mehata, M.S.*: 

Proton translocations and electronic relaxation along hydrogen-bonded molecular wire in a 6-hydroxyquinoline/Acetic acid complex. 

Journal of Physical Chemistry B, 112 (28) (2008) 8383-8386 (Am. Chem. Soc.). ISI Impact Factor = 4.10.

Mehata, M.S., Iimori, T, Ohta, N.: 

Electric-field-induced changes in fluorescence decay and spectrum of tris(8-hydroxyquinoline)aluminum  in a polymer film. 

Chemical Physics Letters, 457 (2008) 62-65 (Elsevier Science Pub.) ISI Impact Factor = 2.34.

Mehata, M.S.*: 

Photoinduced excited state proton rearrangement of 6-hydroxyquinoline along a Hydrogen-bonded AcOH wire. 

Chemical Physics Letters, 436 (2007) 357-361 (Elsevier Sci. Pub.) ISI Impact Factor = 2.34.

Mehata, M.S., Iimori, T., Yoshizawa, T., Ohta, N.: 

Electroabsorption spectroscopy of 6-hydroxyquinoline doped in polymer films: Stark shifts and Orientational effects. 

Journal of Physical Chemistry A, 110 (2006) 10985-10991 (Am. Chem. Soc.) ISI Impact Factor = 2.95. Thearticle is accepted as it is by the Editorial Board of ACS journal (JPC A).

Mehata, M.S.*: 

Fluorescence characteristics of 2-hydroxyquinoline in various solvents. 

Journal of Instrument Society of India, 35 (2005) 249-256 (IISc., Bangalore; IF = 0.2).

Mishra, H., Misra, V., Mehata, M. S., Pant, T.C., Tripathi, H.B.: 

Fluorescence studies of salicylic acid doped polyvinyl alcohol film as a Water/Humidity sensor. 

Journal of Physical Chemistry A, 108 (2004) 2346-2352 (Am. Chem. Soc.) ISI Impact Factor = 2.95.

Mehata, M.S.*, Joshi, H.C., Tripathi, H.B.: 

Fluorescence characteristics of 6-hydroxyquinoline in Nafion polymer matrix. 

Spectrochimica Acta A, 59 (2003) 559-567 (Elsevier Sci.) ISI Impact Factor = 4.19.

Kalra, S., Pant, C.K., Pathak, H.D and Mehata, M.S.*: 

Studies on the adsorption of peptides of glycine/alanine on montmorillonite clay with or without co-ordinated divalent cations. 

Colloids and Surfaces A, 212 (2003) 43-50 (Elsevier). ISI Impact Factor = 4.54.

Mehata, M.S.*, Joshi, H.C., Tripathi, H.B.: 

Complexation of 6-hydroxyquinoline with trimethylamine in polar and non-polar solvents. 

Chemical Physics Letters, 366 (2002) 628-635 (Elsevier Sci.) ISI Impact Factor IF = 2.34.

Mehata, M.S.*, Tripathi, H.B.: 

Fluorescence quenching of 6-methoxyquinoline: An indicator for sensing chloride ion in aqueous media. 

Journal of Luminescence, 99 (2002) 47-52. (Elsevier Sci.). ISI Impact Factor = 3.60.

Mehata, M.S.*, Joshi, H.C., Tripathi, H.B.: 

Excited state intermolecular proton transfer reaction of 6-hydroxyquinoline in protic polar medium. 

Chemical Physics Letters, 359 (2002) 314-320 (Elsevier Sci.) ISI Impact Factor = 2.34. The reviewer of the Journal considers the published work as aNovel.

Mehata, M.S.*, Joshi, H.C., Tripathi, H.B.: 

Steady state and time-resolved spectroscopic studies of 7-hydroxyquinoline in various polymeric matrices. 

Spectrochimica Acta A, 58 (2002) 1589-1598. (Elsevier Sci.). ISI Impact Factor = 3.23. The article is nominated for Herald Thomas Award.

Purohit, G., Joshi, G.C., Mehata, M.S., Tripathi, H.B.: 

Spectroscopic study of 8-hydroxyquinoline in polymeric matrices. 

J. Optics, 31 (2002) 1-7. ISI Impact Factor = 2.38.

Mehata, M.S.*, Joshi, H.C., Tripathi, H.B.: 

Edge excitation red shift and charge transfer study of 6-methoxyquinoline in polymer matrices. 

Journal of Luminescence, 93 (2001) 275-280 (Elsevier Sci.). ISI Impact Factor = 3.60.

Mehata, M.S.*, Tripathi, H.B.: 

Photophysics of 6-methoxyquinoline in Nafion polymer matrix. 

Indian Journal of Physics, 75 (2001) 189-192 (IACSc. Pub.) ISI Impact Factor = 1.95.

Kalra, S., Pant, C.K., Pathak, H. D. and Mehata, M.S.*: 

Adsorption of glycine and alanine on montmorillonite with or without coordinated divalent cations. 

Indian Journal of Biochemistry and Biophysics, 37 (2000) 341-346 (CSIR). ISI Impact Factor = 1.92.

Purohit, G., Joshi, G.C., Mehata, M.S., Tripathi H.B.: 

Second-order nonlinear optical properties of 8-hydorxyquinoline in crystalline form and polymeric matrix. 

Proc. ICLMD, Eds. Mallik, A. and Dayal, R.R. (New Allied Pub. Ltd.) (1999) 161-164.

Published contributions in academic conferences/symposia

Mehata, M.S. andSingh, J. (2020): Catalyticdegradation of methylene blue dye by Zingiber officinale mediated silvernanoparticles. Proc. 15th DAE-BRNS Biennial Trombay Symposium on Radiation and Photochemistry (TSRP-2020) at BARC Mumbai, Jan. 5-9, 2020. Pp. 357-358.

Singh, M.K. and Mehata,M.S. (2020): Photocatalytic degradation of rhodamine B dye by synthesizedTiO2 nanoparticles. Proc. 15thDAE-BRNS Biennial Trombay Symposium on Radiationand Photochemistry (TSRP-2020) at BARCMumbai, Jan. 5-9, 2020. Pp. 323-324.

Sharma, P and Mehata,M.S. (2020): Synthesis of nitrogen-doped MoS2 quantum dots anddetection of H2O2 in water. Proc. 15th DAE-BRNS Biennial Trombay Symposium on Radiation and Photochemistry (TSRP-2020) at BARC Mumbai, Jan. 5-9, 2020. Pp. 321-322.

Mehata, M.S. (2017): Photoexcitationdynamics of abio-sensitive molecule 2-anilinonaphthalene-6-sulfonicacid: Transient absorption and time-resolved spectroscopy. Proc.26th DAE-BRNS National LaserSymposium (NLS-26) (BARC), Mumbai, India, Dec 20-23, 2017. Pp.1-3.

Ratnesh,R.K. and Mehata, M.S.: (2017) Magicsize CdTe and Cdte/ZnS core-shell QDs based optical sensor for selectivedetection of Pb+2 and Fe2+ in aqueous medium. Proc. 26th  DAE-BRNS National Laser Symposium (NLS-26) (BARC), Mumbai, India, Dec 20-23,2017.p.1-4

Nandan,Y, and Mehata, M.S. (2017):  Wavefunction engineering for the dualabsorption of CdSe/CdS multi-shell quantum dots. Proc. 26th DAE-BRNSNational Laser Symposium (NLS-26) (BARC), Mumbai,India, Dec 20-23, 2017. P.1-4

Singh M.K, Ratnesh, R.K. Mehata, M.S. Synthesis andcharacterization of titanium dioxide (TiO2) via low-temperaturesynthesis method. Proc. 26th DAE-BRNS National Laser Symposium (NLS-26) (BARC), Mumbai, India, Dec 20-23,2017.p. 1-3

Mehata, M.S. (2017): Development of protein and metal ion sensitive luminescentsemiconductor core-shell quantum dots. Proc. National conference on recentadvances in materials science and spectroscopy (Shri Mata Vaishno DeviUniversity) Feb. 15-17, 2017. P.7.

Mehata, M.S. et al. (2016): Synthesis of wide Tunable CdTe and CdTe/ZnSCore/shell Quantum dots: Surface Modification and Interaction with protein.Proc. International conference on Advances in Light Technologies andSpectroscopy of Materials (ICALTSM -2016, University of Lucknow), Jan. 16-18,2016, Pp. 168.

Mehata, M.S., et al. (2016):7-Azaindole a sensitive probe for thedetection of Fe+3 ions and solvatochromic cogitation with computationalapproach to evaluate dipole moments. Proc. Trombay Symposium on Radiation and Photochemistry (TSRP-2016) incorporating Asia Pacificsymposium on radiation Chemistry (APSRC-2016) at BARC Mumbai, Jan. 5-9, 2016.

Mehata, M.S. et al. (2016):Sensitivity of 7-azaindole with SolventComposition and Transition Metals. Proc.International conference on advances in light Technologies and Spectroscopy ofMaterials (ICALTSM -2016, University of Lucknow), Jan. 16-18, 2016, Pp. 299.

Mehata,M.S. (2015): Electric field modulation andtransient absorption spectroscopy of organometallic phosphorescent emitterIr(ppy)3 complex. Proc. International workshop & conference onFrontiers of Spectroscopy (ICFS-2015) (Jan 10-12, 2015, Banaras HinduUniversity). pp. 108.

Mehata, M.S., et al. (2015): Enhancement in photoexcited state dipole moment of2-,6- and 8-hydroxyquinolines. Proc. International workshop & conference onFrontiers of Spectroscopy (ICFS-2015) (Jan 10-12, 2015, Banaras HinduUniversity). pp. 205.

Mehata, M.S. et al. (2015):Colloidal synthesis of CdSe, CdSe/ZnS and CdSe/CdS core/shell nanocrystalsusing non-coordinating solvent. Proc. International workshop & conferenceon Frontiers of Spectroscopy (ICFS-2015) (Jan 10-12, 2015, Banaras HinduUniversity). pp. 219.

Verma A., Agnihotri P., MehataM.S. (2014): Green synthesis of silver nanoparticles using Neem and Tulsileaves and their antibacterial  activities.Proc. National Conference on Nanotechnology and Renewable Energy, (Jamia MiliaIslamia Univ., Delhi). 28-29 April 2014. Pp. 

Mehata, M.S., (2013): Electric field Modulation Spectroscopy of DP6-PPV Polymer: Electro-photoluminescence    Proc. National Symposium on Radiation and Photochemistry (NSRP)-2013, (North-Eastern Hill University (NEHU), Shillong).pp.

P. Pandey, Joshi NK, Arora P., Pandey N., Mehata M.S., Pant S., Pant C.K. (2013): Phase Transition Study of Neurotransmitter’s Precursor in Relevance to Biological Mimic  System, in  8th Uttarakhand State Science & Technology Congress (USSTC-2013) at Doon University, Dehradun, India (December 26-28, 2013), pp. 150.

P. Pandey, Joshi NK, Arora P., Pandey N., Pant S., Mehata M.S., Pant C.K. (2013): Steady State and Time Resolved Fluorescence Spectroscopy of Microenvironmental Effect on Neurotransmitter’s Precursor: Tyrosine and Phenylalanine in 3rd International Science           Congress (ISC-2013) at Karunya University, Coimbatore, Tamil Nadu, India (December          08-09, 2013), pp. 226.

Mehata, M.S., Ohta, N. (2012): Field-induced photoluminescence quenching and charge separation in organometallic phosphor Proc. Trombay symposium on radiation and photochemistry (TSRP-2012) (BARC, Mumbai, India) p. 335-336.

P. Pandey, C. K. Pant, K. Gururani, P. Arora, M.S. Mehata, S. Pant (2013): Acetonitrile initiated biomolecular formation in relevance to the chemical evolution. International workshop on chemical evolution & origin of life (IWCEOL-2013), Deptt of Chemistry, Indian Institute of Technology, Roorkee (IITR), India (March 21-23, 2013), pp. 37.

P. Pandey, K. Gururani, N. Pandey, C.K. Pant, M.S. Mehata, S. Pant (2012): Surface interaction of purine base on inorganic template; Biomolecular stabilization of         abiogenesis in relevance to early life on earth. Int. conf. on chemistry and materials; prospects and perspectives (ICCMPP-2012), Deptt of Applied Chemistry, Babasaheb Bhimrao Ambedkar Univ., Lucknow, India (Dec 14-16, 2012).pp.

Mehata, M.S., Ohta, N. (2011): Electric field-induced Photoluminescence Quenching in Organometallic complex: Evidences of Charge-separation. Proc. International conference on futuristic science and technology in frontier area (SCTIMST, Kerala, India) p. 69-70.

Mehata, M.S. Hsu, C.S., Lee, Y.P. Ohta, N. (2010): Electro-photoluminescence (E-PL) of p-conjugated polymers of poly(pphenylene vinylene) derivatives. Proc. Annual meeting on photochemistry 2010 (Chiba University, Japan, Sept 8-10, 2010), p. 23-24.

Mehata, M.S. Hsu, C.S., Lee, Y.P. Ohta, N. (2010):Field absorption and emission measurement of photovoltaic material p-conjugated polymers. Proc. Annual meeting of Japan society for molecular science, 2010 (Osaka University, Japan Sept 14-17, 2010), p. 33-34.

Mehata, M.S. Hsu, C.S., Lee, Y.P. Ohta, N. (2009): Electric field induced modification of photoluminescent properties in polyfluorene thin films. Proc. Annual meeting of Japan society for molecular science (Nagoya Univ., Japan, Sep 21-24, 2009) p. 44-45.

Mehata, M.S., Hsu C.S., Lee, Y.P. Ohta, N. (2009): Electric field effects and photo-irradiation effects on photoluminescence of sulfide-substituted poly(1,4-phenylene vinylene) films. Proc. of the Annual meeting on photochemistry 2009 (Gunma Univ., Japan, Sep 16-18, 2009) p. 31.

Mehata, M.S., Iimori, T and Ohta, N (2008): Electric field effects on absorption and emission spectra of quinoline derivatives: Stark shifts, orientation effects and fluorescence quenching. Proceeding of the XXIInd IUPAC Symposium on Photochemistry (Gothenburg, Sweden, July 27-Aug 1st 2008). p 66.

Iimori, T., Tayama, J., Mehata, M.S, Nakabayashi, T. and Ohta, N. (2008): Control of orientation of molecules by using external electric fields in condensed systems: observation of orientation with electroabsorption spectroscopy. (RIES, Hokkaido University, Japan June 2-4, 2008) p 155.

Mehata, M.S., Iimori, T., Ohta, N. (2008): Direct measurement of field-induced change in tris(8-hydroxyquinoline)aluminum doped in a thin polymer film. Proceeding of 24th Symposium on Chemical Kinetics and dynamics (RIES, Hokkaido University, Japan June 2-4, 2008) p 90.

Mehata, M.S., Ohta N., Hsu C.S., Lee Y.P. (2008):External electric field effects on state energy and photoexcitation dynamics of polyfluorene: Field-induced changes in decay profile. Proc. of the Annual meeting on photochemistry 2008 (Osaka, Japan, Sep 11-13, 2008) p. 20.

 Mehata, M.S. (2007): Excitation and de-excitation mechanism in hydrogen bonded fluorophores: ultrafast electronic relaxation. Proceedings of IInd Uttarakhand state science congress, (Naintial, Nov. 15-17, 2007) p. 164.

Pant, C.K., Hem Lata, Pathak, H.D., Mehata, M.S (2007): Prebiotic Synthesis of adenosine mono phosphate (Amp) and cytosine mono phosphate (CMP) via -adsorption desorption processes on clay surface. Proceedings of IIInd Uttarakhand state science congress, (Naintial, Nov. 15-17, 2007) p. 167.

Mehata, M.S. (2007): Excited State dynamics of quinoline derivatives dissolved in solutions and doped in thin solid films. Proceeding of ICNP–2007, Nov. 19-21, 2007.

Mehata, M.S. (2007): Excited state proton rearrangement along a hydrogen bonded network. Proceedings PHOTORADCHEM-2007 (An international conference on frontiers of radiation and photochemistry, School of Chemistry, Mahatma Gandhi Univ. Kottayam, Kerala, Feb. 2007) pp.169.

Pant, C.K., Hem Lata, Mehata, M.S. and Pathak, H.D. (2007): Heat Initiated Prebiotic Formation of Peptides from Glycine-Aspartic acid and Glycine-Valine in Aqueous Environment and Clay Suspension. Proceedings PHOTORADCHEM-2007, (Mahatma Gandhi Univ. Kottayam, Kerala, Feb. 2007) pp.221.

Awasthi, K. Iimori, T. Mehata, M.S., Ohta, N. (2006): Electric field effects on absorption of hydroxyquinoline doped in polymer films: Stark shift and molecular motion, Proceedings of Annul Meeting on Photochemistry-2006 (Kawauchi Campus, Tohoku University, Sendai, Japan) pp. 239.

Mehata, M.S., Iimori, T., Yoshizawa, T., Ohta, N. (2006): Stark Shifts and Orientational Effects of 6-hydroxyquinoline doped in PMMA and PVA polymer films, Proceeding TSRP-2006 (BARC, Mumbai Jan 2006) vol. II, 266-267.

Mehata, M.S., Iimori, T., Ohta, N. (2005): Electroabsorption analysis of 2-hydroxyquinoline doped in polymer films: Stark and Orientational effects. Proceeding National Laser symposium (Fith DAE-BRNS, Vellore Institute of Technology, Tamil Nadu, Dec 2005) pp. 376.

Mehata, M.S. (2004): Proton transfer in hydrogen bonded complex of 6-hydroxyquinoline. Proceeding Trombay Symposium on Radiation and Photochemistry (BARC Mumbai, Jan. 2004), pp. 197-198.

Mehata, M.S. and Tripathi, H.B. (2004): Steady State and Time-resolved spectroscopic studies of 6-hydroxyquinoline. Proceeding National Symposium on Cellular and Molecular Biophysics (NIMHANSc. Bangalore, Jan. 2004) pp. 44.

Mehata, M. S. and Tripathi, H.B. (2003): Fluorescence spectroscopy of quinolines and their applications. Proceeding National Symposium on Instrumentation (IISc. Bangalore and GBP University Pantnagar, Nov. 2003) pp. 220.

Mehata, M.S., Joshi, H.C., Tripathi, H.B. (2002): Edge excitation red shift and charge transfer study of 6-methoxyquinoline in polymer matrices. Proceeding Third Asian Photochemistry Conference (Juhu Beach Mumbai, Jan. 2002) pp. 196.

Mehata, M.S. and Tripathi, H.B. (2001): A fluorescence approach for sensing chloride ion in aqueous media. Proceeding International symposium on Structural and Dynamics in complex chemical systems (SSCU Indian Institute of Science Bangalore, India, Jan. 2001) pp. 30.

Mehata, M.S. and Tripathi, H.B. (2000): Photophysics of 6-methoxyquinoline in Nafion polymer matrix. Proceeding Trombay Symposium on Radiation and Photochemistry (BARC, Mumbai, Jan. 2000) pp. 193-194.

Mehata, M.S., Tripathi H.B, Purohit, G., Joshi, G.C. (1999): Nonlinear optical properties of 8-HQ in crystalline form and polymeric matrix. Proc. of the National laser symposium (University of Hyderabad at Hyderabad, 1998) 67-80.