Publications

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Journals: 

1. C. Gayner, K. K. Kar, Recent advances in thermoelectric materials, Prog. Mater. Sci. 83, 330-382, 2016.  (IF - 48.16)

2. C. Gayner, Y. Amouyal, Energy filtering of charge carriers: current trends, challenges, and prospects for thermoelectric materials, Adv. Funct. Mater. 30, 1901789, 2020. (IF - 19.92)

3. C. Gayner, R. Sharma, I. Malik, M. Kumar, S. Singh, K. Kumar, J. Tahalyani, T. Srivastava, K. K. Kar, H. Yokoi, A. Naskar, Enhanced thermoelectric performance of PbSe-graphene nanocomposite manufactured with acoustic cavitation induced defects Nano Energy, 94, 106943, 2022. (IF - 19.1)

4. C. Gayner, Improved electrical conductivity and thermoelectric performance of ZnO by doping with NaCl and CdO, Chem. Eng. J., 413, 128149, 2021. (IF - 16.74)

5. C. Gayner, L. Menezes, Y. Natanzon, Y. Kauffmann, H. Kleinke, Y. Amouyal, Development of Nanostructured Bi2Te3 with High Thermoelectric Performance by Scalable Synthesis and Microstructure Manipulations, ACS Appl. Mater. Inter. 15, 10, 13012–13024, 2023. (IF - 10.38)

6. C. Gayner, Y. Natanzon, Y. Amouyal, Effects of co-doping and microstructure on charge carrier energy filtering in thermoelectric titanium-doped zinc aluminum oxide, ACS Appl. Mater. Inter. 14, 3, 4035-4050, 2022. (IF - 10.38)

7. C. Gayner, Y. Natanzon, Y. Kauffmann, Y. Amouyal, Topologically-Enhanced Thermoelectric Properties in Bi2Te3-Based Compounds: Effects of Grain Size and Misorientation, ACS Appl. Mater. Inter. 14, 44, 49730–49745, 2022. (IF - 10.38)

8. C. Gayner, H. Kim, J. Kim, W. Kim, Spacer strategy for exceptionally low thermal conductivity and high zT in antimony-doped bulk silicon, Mater. Today Energy, 12, 327-335, 2019. (IF - 9.25)

9. C. Gayner, K. K. Kar, W. Kim, Recent progress and futuristic development of PbSe thermoelectric materials and devices, Mater. Today Energy, 9, 359-376, 2018. (IF - 9.25)

10. C. Gayner, R. Sharma, M. K. Das, K. K. Kar, Boost in room temperature thermoelectric performance of PbSe:Alx through band modification and low densification, J. Appl. Phys. 120, 155106, 2016. (IF - 2.87)

11. C. Gayner, R. Sharma, I. Malik, M. K. Das, K. K. Kar, Exploring the doping effects of copper on thermoelectric properties of lead selenide, J. Phys. D: Appl. Phys. 49, 285104 (1-13), 2016. (IF - 3.41)

12. C. Gayner, K. K. Kar, Inherent room temperature ferromagnetism and dopant dependent Raman studies of PbSe, Pb1-  xCuxSe, and Pb1-xNixSe, J. Appl. Phys. 117, 103906, 2015. (IF - 2.87)

13. C. Gayner, R. Sharma, M. K. Das, K. K. Kar, Effects of Ni doping induced band modification and Ni3Se2 nanoinclusion incorporation on thermoelectric properties of PbSe,  J. Alloys compd. 699, 679-689, 2017. (IF - 6.37)

14. C. Gayner, D. Prakash, A. Ballal, Influence of secondary phase dispersants and porosity on thermoelectric properties of β –Fe0.91Mn0.09Si2, J. Alloys compd. 698, 164-169, 2017. (IF - 6.37)

15. C. Gayner, N. Nandihalli, Enhancement of thermoelectric performance of PbTe by embedding NaCl, Materialia 14, 100912, 2020. (IF - 4.7)

16. G. Solomon, E. Song, C. Gayner, J. Martinez, Y. Amouyal, Effects of Microstructure and Neodymium Doping on Bi2Te3 Nanostructures: Implications for Thermoelectric Performance, ACS Appl. Nano Mater. 4 (5), 4419-4431, 2021. (IF - 6.14)

17. J. Kim, H. Kim, M. E. Kilic, C. Gayner, R. Koltun, H. Park, A. Soon, J. Bowers, C. J. Palmstrom, W. Kim, Effect of phonon confinement on the thermal conductivity of In0.53Ga0.47As nanofilms, J. Appl. Phys. 123 (24), 1-9, 2018. (IF - 2.87)

18. N. Nandihalli, D. Wijethunge, K. Kim, J. Kim, C. Gayner, High efficient nanostructured PbSe0.5Te0.5 exhibiting broad figure-of-merit plateau, J. Alloys compd. 785, 862-870, 2019. (IF - 6.37)

19. I. Malik, T. Srivastava, K. K. Surthi, C. Gayner, K. K Kar, Enhanced thermoelectric performance of n-type Bi2Te3 alloyed with low cost and highly abundant sulfur, Mater. Chem. Phys., 255, 123598, 2020. (IF - 4.77)

20. I. Malik, S. Banerjee, C. Gayner, A. Chowdhuri, K. K. Kar, Synthesis and thermoelectric performance of titanium diboride and its composites with lead selenide and carbon, Ceramics International, 44, 10685-10692, 2018. (IF - 5.53)

21. A. Kumar, R. Sharma, C. Gayner, S. Nageswara Rao, D. P. Singh, M. K. Das, K. K. Kar, Structural and ion transport properties of [(AgI)x(AgBr)0.4-x](LiPO3)0.6 and (AgBr)x(LiPO3)1-x solid electrolyte, Inter. J. Appl. Glass Sci. 1-9, 2016. (IF - 2.08)

22. A. Pusdekar, N. S. Ugemuge, A. Mistry, C. Gayner, S. V. Moharil, Synthesis and luminescence properties of intensely red‑emitting Na5Y(WO4)4:Eu3+ phosphor, J Mater Sci: Mater Electron, 35, 336, 2024. (IF – 2.8)

23. A. Pusdekar, N. S. Ugemuge*, C. Gayner*, A. Nande, S. Moharil,  Correlation of structure and luminescence in Ca₃La₂W₂O₁₂: Eu³⁺ phosphors for advanced display technologies validated using Judd-Ofelt theory, J. Alloys compd. 1010, 177382, 2025. https://doi.org/10.1016/j.jallcom.2024.177382  (IF - 6.37)

24. C. Gayner, I. Malik, M. K. Das, K. K. Kar, Electrical and thermal transport through low densified copper doped PbSe for thermoelectric application, AIP Conf. Proc. 1728, 020033, 2016.

25. N. S. Ugemuge, A. M. Muke, A. A. Muley, C. Gayner, S. V. Moharil, Synthesis of Srf2:Eu2+ Up Conversion Phosphors, Inter. J. Knowledge Engg. 3, 1, 67-68, 2012.

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International/National Patents

• Indian Patent filed - K. Kar, C. Gayner, R. Sharma, M. K. Das, "Novel high-performance thermoelectric material with remarkable ZT and power factor and method of manufacturing the same" 2016. (Application Number - 201611031952).

Books and book chapters

1. Book: Nilesh Ugemuge, Chhatrasal Gayner, Ashish Selokar, Vikas Pathak, Engineering Physics, Himalaya Publishing House (ISBN: 978-935273-496-2)

2. Book Chapter: Nilesh Ugemuge, Chhatrasal Gayner, V. Natrajan, S. J. Dhoble, Perspectives of Hydrothermal Synthesis of Fluorides for Luminescence Applications: Fluorides Phosphors for Luminescence; Emerging Synthesis Techniques for Luminescent Materials, page no. 277-303, 2018; DOI: 10.4018/978-1-5225-5170-6.ch008

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International/National Conferences and Journals

1. C. Gayner, K. K. Kar, Understanding the role of dopants in the thermoelectric properties of PbSe, Proc. of the Intl. Conf. on Nanotechnology for better living, Vol. 3, No. 1, p. 59, 2016, (doi: 10.3850/978-981-09-7519- 7nbl16-rps-59).

2. C. Gayner, Y. Amouyal, "Titanium-doped zinc aluminum oxide with enhanced thermoelectric performance" at Virtual Conference on Thermoelectrics VCT 2020.

3. C. Gayner, Y. Amouyal, "Low temperature synthesized metal incorporated zinc oxide to investigate energy filtering effect" at 37th Annual Conference of the Israel Vacuum Society, sammy ofer congress center, Haifa, 3 Sep 2019. 

4. C. Gayner, I. Malik, M. K. Das, K. K. Kar, Electrical and thermal transport through low densified copper doped PbSe for thermoelectric application, AIP Conf. Proc. 1728, 020033, 2016.

5. C. Gayner, International Advisory Board Member at 1st International Conference on Future Trends in Materials and Mechanical Engineering (ICFTMME-2020), SRM Institute of Science and Technology, New Delhi, India, held on 29-30 May 2020.

6. N. S. Ugemuge, A. M. Muke, A. A. Muley, C. Gayner, S. V. Moharil, Synthesis of Srf2:Eu2+ Up Conversion Phosphors, Inter. J. Knowledge Engg. 3, 1, 67-68, 2012.

7. C. Gayner, K. K. Kar, Dopant dependent Raman studies of narrow band gap lead selenide thermoelectric material. Conference on Microscopy in Materials Science and Biomimetic Technology organized by Defense Materials and Stores Research and Development Establishment (DMSRDE) and Academy of Microscope Science and Technology, February 26-28, 2015, DMSRDE Kanpur, Microscopy and Characterization Session, MC 06, pp. 156, Year: 2015, India.

8. D. Prakash, C. Gayner, M. Shyambabu, R. Tewari, P.K. Sinha. “Role of dispersant on thermoelectric properties of β-FeSi2” International conference and exhibitions on powder metallurgy for automotive and engineering industries precision and additive manufacturing, 7th-9th Feb.2013 held at Pune.

9. C. Gayner, K. Kar. Carbon Based Materials (Graphene, Carbon nanotube, Carbon Composites): The new outlook as thermoelectric material. National conference on carbon materials 2012 (ccm12) 1st– 3rd November, 2012.

10. C. Gayner, D. Prakash, Thermoelectric performances of β-FeSi2. Paper presentation in 1st Indo-US Workshop on Thermoelectric, February 28-1 March 2012, IITB Mumbai, India (2012).

11. D. Prakash, M. Syambabu, C. Gayner, R. Tewari and P.K. Sinha, Presentation in PM-11, International Conference on Powder Metallurgy, February 3-5, Pune, India (2011).

12. C. Gayner, K. K. Kar, In situ novel synthesis and thermoelectric performance of PbSe-graphene composite by utilizing a facile ultrasonic assisted method. National conference on Carbon materials 2015, NPL New Delhi.

13. A. Chowdhuri, C. Gayner and Kamal K. Kar, Novel synthesis and thermoelectric performance studies of PbSe-exfoliated graphite composite. National conference on Carbon materials 2015, NPL New Delhi.

14. C. Gayner, M. K. Das and K. K. Kar, Towards the enhancement of photovoltaic efficiency via hybrid photovoltaic-thermoelectric module. 18th International Workshop on Physics of Semiconductor Devices (IWPSD-2015), IISC Bangalore (7th -10thDec. 2015). 

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Awards, invited talk and article in magazine

o Best poster paper award in a Conference on Microscopy in Materials Science and Biomimetic Technology organized by Defense Materials and Stores Research and Development Establishment (DMSRDE) and Academy of Microscope Science and Technology, February 26-28, 2015, DMSRDE Kanpur,  Microscopy and Characterization Session, MC 06 Year: 2015, India.

o Awarded Fellowship  MHRD Fellowship for PhD (2011-2016), India; Brain Korea 21 Postdoctoral Fellowship (2017-2019), South Korea; Aly Kaufman Postdoctoral Fellowship (2019-2021), Israel; Prestigeous Ramanujan Fellowship awarded by SERB, DST, Gov. of India (2022-2027).

o C. Gayner, Thermoelectric - A new rising star of energy conversion devices, Scientia (Technical and research magazine), 37-39, 2013, (http://students.iitk.ac.in/snt/scientia/2013/).

o Expert Talk: Thermoelectric Materials for Renewable Energy Applications, in ATAL Faculty Development Program (FDP) on Renewable energy held on 20-26th Jan 2025.

o BOS External Expert for designing course structure of Master and graduate degrees in Physics, and Materials Science, for Shri Guru Ram Rai University Dehradun, India, 12 Aug 2025.

o Invited Talk: A tool of surface characterization: Atomic force microscopy in a workshop on Diffraction, microscopy and spectroscopic  techniques for materials studies held at Department of Physics, Lucknow University, India on 7th – 8th Nov 2015.

o C. Gayner, Invited speaker in "1st International Virtual Conference on Materials & Nanotechnology" deliver a talk on" Thermoelectric materials, strategies, and the future; from materials to materials characterization" on 29 & 30th of April 2021. 

o C. Gayner, Invited speaker  at Condensed Matter Physics event held at IISER Pune, India, talks on "Thermoelectric materials, applied strategies, and future directions" on 17th May 2022. 

o C. Gayner, Invited speaker in International conference on materials & applied science for Society on Translating efficient materials into electronic products: Key challenges and practices, 30-31st December 2024.

o C. Gayner, talks on "What is Limiting the Passion for Science in the Common Public" on Science Craft with Kirti, YouTube channel, 1 April 2021.

o C. Gayner, delivered lecture on "Energy dependent carrier scattering- underlying physics, understanding of materials, and energy filtering effect" at Technion-Israel Institute of Technology, Haifa, 8 July 2020.

o International Advisory Board Member at 1st International Conference on Future Trends in Materials and Mechanical Engineering (ICFTMME-2020), SRM Institute of Science and Technology, New Delhi, India, held on 29-30 May 2020.

Reviewer and Reviewed Journals:

• Chemical Engineering Journal - 20; Nature - 02; Advanced Functional Materials - 01; ACS Applied Materials & Interfaces - 01; J. Alloys and Compound - 14; Applied Physics Letter - 01; J. Materialia - 01; Energy -01; Heliyon - 01; Spectrochimica acta – 06; J. Crystals - 02; J. Energies - 02; J. Polymer Engineering - 01; J. Composites Science - 01; Topic Editor at Journal of Crystals.

• Reviewer to QS Rankings, an esteemed organization responsible for ranking top universities worldwide based on various criteria, including research, infrastructure, education quality, and overall academic excellence.