Nanostructured Optical Materials and Devices (NOMAD) Group
Group Leader
Dr. Dilip Kumar Singh
Assistant Professor
Google citations
http://scholar.google.com/citations?user=lBE5XwoAAAAJ
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Research Gate
Linkdin
http://kr.linkedin.com/pub/dilip-kumar-singh/15/6a0/92a
Division of Advanced Materials and Devices
CSIR-National Physical Laboratory, New Delhi.
Email : dilipsinghnano1@gmail.com. dilip@nplindia.org
Phone: +011-4560-8404 (O), 91-8130610762 (M)
Research Interests: Experimental Condensed Matter Physics
Nano-optics
Optics of H-vector of light, Nano-Photonics, Plasmonics, Nanofabrication technologies, Metamaterials and Near-field Optics.
Light scattering and optical Spectroscopy
Raman and photoluminescence spectroscopy, Coherent-backscattering of light, Photoluminescence Quenching, Scattering from nanostructures.
Nanomaterials growth and properties engineering
Invited Presentations
Fellowships / Awards:
[1] American Physical Society (Annual)
[2] Material Research Society of India (MRSI) Life Member
[3] Indian Carbon Society (Life Member)
[4] Ion-Beam Society of India (Life Member)
[5] Plasma Science Society of India (Life Member)
[6] Electron Microscopy Society of India (Life Member)
[5] DST-Inspire Faculty Award (Physical Science), Department of Science and Technology (DST), Govt. of India (2013).
[4] BK21 Post-doctoral Fellowship, by Government of Korea, at Seoul National University, Republic of Korea.
[3] Junior Research Fellowship, MHRD Govt. of India, July 2005- July 2007.
[2] Senior Research Fellowship, MHRD Govt. of India, July 2007- September 2008, (offered till 2010) .
[1] Senior Research Fellowship, Council for Scientific and Industrial Research(CSIR), Govt. of India, October 2008- September 2010,
Nano-diamonds, Graphene, Carbon Nanotubes, Semiconductor nanoparticles, Chemical vapor deposition based growth of 1-D and 2-D materials, Defect engineering and Ion-beam
modification of Materials, Optical properties of materials and
applications.
Publications:
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Nano-Optics
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Graphene Growth
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Details
Ravi Kumar, S. J. Yoon, K. G. Lee, Prabir Pal, R. P. Pant, C. K. Suman, S. R. Dhakate, Raj Kumar, Devesh K. Avasthi, Dilip K. Singh*
Purification Method Dependent Fluorescence from Nitrogen-vacancy (NV) Centers of Nano-diamonds.
RSC Advances 6 (52), 47164-47173 (2016). *Corresponding author
Selective electric and magnetic sensitivity of aperture probes
Dilip K. Singh, JS Ahn, S Koo, T Kang, J Kim, S Lee, N Park, DS Kim
Optics Express 23 (16), 20820-20828 (2015)
M Borah, Dilip K. Singh, K. M. Subhedar, SR Dhakate
RSC Advances 5 (85), 69110-69118 (2015)
Optical field enhancement of nanometer-sized gaps at near-infrared frequencies.
Jae Sung Ahn, Taehee Kang, Dilip K. Singh, Young-Mi Bahk, Hyunhwa Lee, Soo Bong Choi and Dai-Sik Kim
Optics Express 23, 4897 (2015).
S. S. Kushvaha · M. Senthil Kumar · A. K. Shukla · B. S. Yadav ·Dilip K. Singh · M. Jewariya · S. R. Ragam · K. K. Maurya ·
RSC Advances 5 (107), 87818-87830 (2015).
Manish Verma, Dilip K. Singh*, P. Senthilkumaran, Joby Joseph, H. C. Kandpal, Ultrasensitive and fast detection of denaturation of milk by Coherent backscattering of light.
Scientific Reports, 4, 7257 (2014).
(*Corresponding)
Prasanta J. Goutam, Dilip K. Singh and Parameswar K. Iyer
Photoluminescence quenching mechanism of poly(3-hexylthiophene) by carbon nanotubes
J. Phy. Chem. C 116, 8196 (2012).
Dilip K. Singh, Parameswar K. Iyer and P. K. Giri
Distinguishing Defect Induced Intermediate Frequency Modes from Combination Modes in Raman Spectrum of Single Walled Carbon Nanotubes
J. Appl. Phys., 111, 064304 (2012).
Dilip K. Singh, Parameswar K. Iyer and P. K. Giri
Interaction of carbon nanotubes with fluorophores : Photoluminescence and Adsorption studies.
Carbon, 2012 ( In Press)
Dilip K. Singh, Parameswar K. Iyer, and P. K. Giri,
Defect mediated efficient quenching of fluorescence of fluorescent dyes by single walled carbon nanotubes.
J. Phy. Chem. C 115, 24067 (2011 ).
Dilip K. Singh, Parameswar .K. Iyer, and P. K. Giri
Defect evolution and structural improvement in low energy ion irradiated carbon nanotubes: Microscopic and spectroscopic studies.
Int. J. Nanosci. 10, 49 (2011)
Dilip K. Singh, Parameswar K. Iyer and P. K. Giri
Improved chemical synthesis of graphene using a safer solvothermal route.
Int. J. Nanosci. 10, 39 (2011).
Prasanta J. Goutam, Dilip K. Singh, Pravat K. Giri and Parameswar K. Iyer
Enhancing the Photostability of Poly(3-hexylthiophene) by Preparing Composites with Multiwalled Carbon Nanotubes.
J. Phy. Chem. B 115 (2011) 919. (View Supporting Information)
P. K. Giri, S. Bhattacharya, B. Chetia, Satchi Kumari, Dilip. K. Singh, P. K. Iyer
High yield chemical synthesis of hexagonal ZnO nanoparticles and nanorods with excellent optical properties.
J. Nanosci. Nanotechnol. 12, 201 (2012).
Dilip K. Singh, Parameswar .K. Iyer, and P. K. Giri
Diameter dependent oxidative stability of multiwalled carbon nanotubes: Role of defects and effect of vacuum annealing.
J. Appl. Phys. 108, 084313 (2010).
(Also appeared in Virtual Journal of Nanoscale Science & Technology, November 1, 2010)
Dilip K. Singh, Parameswar .K. Iyer, and P. K. Giri,
Diameter dependent spectral features in X-ray diffraction & Raman scattering of multi-walled carbon nanotubes: Interlayer interactions and curvature effects.
Diamond and Related Materials 19, 1281 (2010).
Dilip K. Singh, Parameswar .K. Iyer, and P.K.Giri,
Quantitative analysis of diameter dependent properties of multi- walled carbon nantoubes.
AIP Conference Proceedings, Vol. 1147, 450-456, 2009.
Dilip K. Singh, P. K. Iyer, and P. K. Giri,
Optical Signature of Structural Defects in Single Walled and Multiwalled Carbon Nanotubes.
J. Nanosci. Nanotechnol. 9, 5396 (2009).
Satchi Kumari, Dilip K Snigh, and P. K. Giri,
Strain Anisotropy in Freestanding Germanium Nanoparticles Synthesized by Ball Milling.
J. Nanosci. Nanotechnol. 9, 5231 (2009).
P. K. Reddy, P. J. Goutam, Diilp. K. Singh, A. K. Ghoshal, P. K. Iyer,
Poly(3-hexylthiphene) to fullerenes. Kinetic modeling and analysis of thermal degradation pathway.
Polymer degradation and stability 94, 1839 (2009).
Dilip. K. Singh, P. K. Iyer, and P. K. Giri
Functionalization of Carbon nanotubes and study of its optical and structural properties.
Nano Trends, A Journal of Nanotechnology and Its Applications” 4, 55 (2008).
P. K. Giri, S. Bhattacharyya, Dilip K. Singh, R. Kesavamoorthy,B. K. Panigrahi, and K.G. M. Nair
Correlation between microstructure and optical properties of ZnO nanoparticles synthesized by ball milling.
J. Appl. Phys. 102, 093515 (2007).
P. K. Giri and Dilip K. Singh
Possible role of defects in the Visible Photoluminescence from Single Walled and Multiwalled Carbon Nanotubes.
Mater. Res. Soc. Symp. Proc. Vol. 1018, EE07-03 (2007)
Dilip. K. Singh, P.K.Iyer, and P. K. Giri
Study of fluorescence quenching effect of Carbon Nanotubes.
Proc. 52nd DAE Solid State Physics Symposium, Ed. Amitabh Das, Meenakshi Sunder and Shiv Kumar Gupta, Vol. 52, 2007, p.347.
P. K. Giri, P. K. Patel, C. J. Panchal, S. Bhattacharyya, Satchi Kumari, Dilip K. Singh, V. A. Kheraj, N. M. Shah, et.al.
Studies on Zinc Oxide Nanorods Grown Electron Beam Evaporation Technique
Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 37, 437 (2007).
Prabhakar P. Palni, Satchi Kumari, Neeraj Garg Baruah, Dilip K Singh, P. K. Giri
Effect of annealing on high quality Zinc Oxide Nanowires synthesized by catalytic vapor-deposition
Nano Trends 3 (2007) 1–6.
Under Review/ preparation:
Book Chapters:
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P. J. Goutam, Dilip K. Singh, Parameswar K. Iyer, “Photostability of Poly-(3-hexylthiophene)-Multiwalled Carbon Nanotube Nanocomposites.”
Electroactive Polymers: Materials and Devices, Vol III, Macmillan, 2009 (ISBN 10: 0230-63890-2, ISBN 13: 978-0230-63890-7).
Conference Presentations:
Schools Attended:
Foreign Professional Societies:
American Physical Society www.aps.org/
American Chemical Society www.portal.acs.org/portal/acs/corg/content
Material Research Society www.mrs.org/home/
European Physical Society www.eps.org/
Indian Professional Societies:
Indian Physics Association www.ipa1970.org.in/
Material Research Society of India www.mrsi.org.in/
Optical society of India www.lassi.org.in/about_lassi.html
Plasma Science Society of India www.pssi.in/
Laser and spectroscopy society of India www.lassi.org.in/about_lassi.html
Indian Association of Physics Teachers www.iapt.org.in/
Semiconductor Society (India) www.ssi.org.in/
Indian Chemical Society (India) www.indianchemsoc.org/
Indian Academy of Science Bangalore www.ias.ac.in/
Indian National Science Academy New Delhi www.insaindia.org/index.php
National Academy of Sciences Allahabad www.nasi.org.in/
Upcoming Scientific Meetings / conferences:
Few Optics/ Spectroscopy Institutes:
ICFO,SPAIN
ETH SWITZERLAND
INSTITUTE OF OPTICS, ROCHESTER
UNIVERSITY OF BASEL
IBM, ZURICH RESEARCH LAB
Appointments:
DST Inspire Faculty (Tenured Assistant Professor), National Physical Laboratory, New Delhi (Jan, 2014-Feb, 2019).
BrainKorea21 Post-doctoral Fellow, Department of Physics and Astronomy, Seoul National University, People Republic of Korea (June, 2011-Feb, 2014).
Academic Qualification:
Ph. D (Nanotech.), Indian Institute of Technology Guwahati, India. March, 2011.
Ph.D thesis: Spectroscopic Studies of Diameter Dependent Properties, Defects and Defect Engineering in Single-walled and Multi-walled Carbon Nanotubes.
M. Sc (Physics, Spl. Cond. Matt. Phys), Ranchi University, Ranchi, July, 2005. 1st Div.
Master thesis: Quantum confinement in a cylindrically symmetric finite wall potential well.
B. Sc (Phy-Honors ), St. Xavier’s college, Ranchi University, Ranchi, July, 2002, 1st Div.
I. Sc (12th), St. Xavier’s college, Ranchi, B.I.E.C, Patna, June, 1999, 1st Div.
Matric (10th), St. John’s H/s school, Ranchi, B.S.E.B, Patna, June, 1997, 1st Div.
Other Academic Qualifications:
Certificate in Basic Korean (Level-I), Seoul National University, Korea.
Cerficate in Disaster Management, December-2001, Indira Gandhi National Open University (India) with 72 % marks
Diploma in Computer Applications, May-2002, Sterlite Foundation, Mumbai (India).
National Eligibility tests qualified: GATE- 2005, JEST- 2005, CSIR SRF 2008.