3. Publications [~50]

Book Chapters (1)

1. C. Persson, R. Chen, H. Zhao, Mukesh Kumar, and D. Huang: Electronic structure and optical properties from first-principles modeling, Book chapter in “Copper zinc tin sulphide-based thin film solar cells”, ed by K. Ito, p.75-106 (John Wiley & Sons, 2015).

Journal Publications (37) [* as main corresponding author]

• 1. M. Vishwakarma, Mukesh Kumar, M. Hendrickx, J. Hadermann, A. P. Singh, Y. Batra, BR Mehta, “Enhancing the Hydrogen Evolution Properties of Kesterite Absorber by Si‐Doping in the Surface of CZTS Thin Film” Advanced Materials Interfaces, 2002124 (2021).

  2. Mukesh Kumar*, Naoto Umezawa, Motoharu Imai, “Recent advances in computational studies of thin-film solar cell material BaSi2” Japanese Journal of Applied Physics 59 (SF), SF0803, (2020).

  3. S Hood*, A Walsh, C Persson, K Iordanidou, D Huang, M Kumar et al, "Status of materials and device modelling for kesterite cells". J of Phy: Energy (2019)

  4. Motoharu Imai*, Mukesh Kumar, and Naoto Umezawa, “Electronic states of Zint-phases solar-cell material BaSi2”. Scripta Materialia, 172, 43 – 46 (2019)

  5. N. Thota, Mukesh Kumar, M. Vishwakarma and B. R. Mehta, “Structural, electronic and optical properties of pulsed laser deposited Cu2SnS3 photo absorber thin films: a combined experimental and computational study". Thin Solid Films, 677, 62-67 (2019)

  6. J. Yu, J. Wang,* Mukesh Kumar, Naoto Umezawa, H. Abe, “ Design of p-type transparent conducting oxides Sn2GeO4 by an ab initio evolutionary structure search ”. Journal of Materials Chemistry C, 6, 11202 – 11208 (2018); DOI: 10.1039/C8TC04024A

  7. Motoharu Imai*, Mukesh Kumar*, Yoshitaka Mastushita, and Naoto Umezawa, “Crystal structure and electronic properties of Sr-substituted barium disilicide Ba1-xSrxSi2 for solar cells: computational and experimental studies”. Acta Materialia, 148, 492 – 498 (2018). DOI: 10.1016/J.ACTAMAT.2018.02.010

  8. Mukesh Kumar*, Naoto Umezawa, Wei Zhou and Motoharu Imai, “Barium disilicide as a promising thin-film photovoltaic absorber: structural, electronic, and defect properties”. Journal of Materials Chemistry A, 5, 25293 – 25302 (2017); [selected as a HOT paper in 2017]. DOI: 10.1039/C7TA08312B

  9. Mukesh Kumar*, Naoto Umezawa, Satoshi Ishii, Tadaaki Nagao: Examining the performance of refractory conductive ceramics as plasmonic materials: a theoretical approach. ACS Photonics 3, 43-50 (2016); DOI:10.1021/acsphotonics.5b00409 ; arXiv:1510.04760.

  10. Mukesh Kumar*, Satoshi Ishii, Naoto Umezawa, Tadaaki Nagao: Band engineering of ternary metal nitride system Ti1-x ZrxN for plasmonic applications. Optical Material Express 6, 29-38 (2016). DOI:10.1364/OME.6.000029; arXiv:1511.01179.

  11. Jonathan J. S. Scragg, Jes K. Larsen, Mukesh Kumar, et al: Cu-Zn disorder and band gap fluctuations in Cu 2 ZnSn(S,Se) 4 : Theoretical and experimental investigations. Physica Status Solidi (b) 253, 247-254 (2016) [selected as cover page]; DOI:10.1002/pssb.201552530

  12. Akira Yoko, Makoto Akizuki, Naohisa Hirao, Shinji Kohara, Mukesh Kumar, Naoto Umezawa, Takahisa Ohno, Yoshito Oshima: In situ X-ray diffraction for millisecond-order dynamics of BaZrO3 nanoparticle formation in supercritical water. Journal of Supercritical Fluids 107, 746-752 (2016). DOI:10.1016/j.supflu.2015.08.002

  13. Mukesh Kumar*, Naoto Umezawa, Motoharu Imai: Structural, electronic and optical characteristics of SrGe2 and BaGe2: A combined experimental and computational study. Journal of Alloys and Compounds 630, 126-132 (2015). DOI:10.1016/j.jallcom.2015.01.027

  14. Mukesh Kumar*, G. Baldissera, C. Persson, DGF David, MVS Silva, JA Freitas Jr, J. G. Tischler, JFD Chubaci, M. Matsuoka, A Ferreira da Silva: Bulk Properties of InN Films determined by experiments and theory. Journal of Crystal Growth 403, 124-127 (2014). DOI:10.1016/j.jcrysgro.2014.06.001

  15. Mukesh Kumar*, Naoto Umezawa, Motoharu Imai: BaSi2 as a promising low-cost, earth-abundant material with large optical activity for thin-film solar cells: A hybrid density functional study. Applied Physics Express 7, 071203 (2014). DOI:10.7567/APEX.7.071203

  16. Mukesh Kumar*, Naoto Umezawa, Motoharu Imai: (Sr,Ba)(Si,Ge)2 for thin-film solar-cell applications: First-principles study. Journal of Applied Physics 115, 203718 (2014). DOI:10.1063/1.4880662

  17. Mukesh Kumar*, Clas Persson: Cu(Sb,Bi)(S,Se)2 as Indium-free Absorber Material with High Optical Efficiency. Energy Procedia 44, 176-183 (2014). DOI:10.1016/j.egypro.2013.12.025

  18. Mukesh Kumar*, Clas Persson: Cu3BiS3 as a potential photovoltaic absorber with high optical efficiency. Applied Physics Letters 102, 062109 (2013). DOI:10.1063/1.4792751

  19. Mukesh Kumar*, Clas Persson: Structural, electronic and optical properties of silver delafossite oxides: A first-principles study with hybrid functional. Physica B Condensed Matter 422, 20-27 (2013). DOI:10.1016/j.physb.2013.04.035

  20. Mukesh Kumar*, Clas Persson: CuSbS2 and CuBiS2 as potential absorber materials for thin-film solar cells. Journal of Renewable and Sustainable Energy 5, 031616 (2013). DOI:10.1063/1.4812448

  21. Mukesh Kumar*, Hanyue Zhao, Clas Persson: Study of band-structure, optical properties and native defects in AIBIIIO2 (AI= Cu or Ag, BIII= Al, Ga or In) delafossites. Semiconductor Science and Technology 28, 065003 (2013). DOI:10.1088/0268-1242/28/6/065003

  22. Mukesh Kumar*, Hanyue Zhao, Clas Persson: Cation vacancies in the alloy compounds of Cu2ZnSn(S1 − xSex)4 and CuIn(S1 − xSex)2. Thin Solid Films 535, 318–321 (2013). DOI:10.1016/j.tsf.2012.11.063

  23. Mukesh Kumar*, Clas Persson: Ternary Cu3BiY3 (Y = S, Se, and Te) for thin-film solar cells. MRS Online Proceeding Library 1538, 235-240 (2013). DOI:10.1557/opl.2013.1014

  24. Mukesh Kumar*, Clas Persson: Cu2ZnSnS4 and Cu2ZnSnSe4 as Potential Earth-Abundant Thin-Film Absorber Materials: A Density Functional Theory Study. International Journal of Theoretical and Applied Sciences 5, 1-8 (2013). DOI:

  25. Sanjeev Sharma, Jayashree Bijwe, Mukesh Kumar: Comparison Between Nano- and Micro-Sized Copper Particles as Fillers in NAO Friction Materials. Nanomaterials and Nanotechnology 3, 12 (2013). DOI:10.5772/56822

  26. Mukesh Kumar, J. Bijwe: Influence of different types of binder in non-asbestos-organic brake lining materials: A case study on inertia brake dynamometer. Journal of Engineering Tribology 228, 584-592 (2014). DOI:10.1177/1350650113515459

  27. Mukesh Kumar*, Jayashree Bijwe: Optimized Selection of Metallic Fillers for Best Combination of Performance Properties of Friction Materials: a Comprehensive Study. Wear 303, 569-583 (2013). DOI:10.1016/j.wear.2013.03.053

  28. Hanyue Zhao, Mukesh Kumar, Clas Persson: Density functional theory study of ordered defect Cu-(In, Ga)-Se compounds. Physica Status Solidi (c) 9, 1600-1603 (2012). DOI:10.1002/pssc.201100671

  29. Mukesh Kumar, Xavier Boidin, Yannick Desplanques, Jayashree Bijwe: Influence of various metallic fillers in friction materials on hot-spot appearance during stop braking. Wear 270, 371-381 (2011). DOI:10.1016/j.wear.2010.11.009

  30. Mukesh Kumar, Jayashree Bijwe: Composite friction materials based on metallic fillers: Sensitivity of μ to operating variables. Tribology International 44, 106-113 (2011). DOI:10.1016/j.triboint.2010.09.013

  31. Mukesh Kumar, Jayashree Bijwe: Non-asbestos organic (NAO) friction composites: Role of copper; its shape and amount. Wear 270, 269-280 (2011). DOI:10.1016/j.wear.2010.10.068

  32. Mukesh Kumar, Jayashree Bijwe: NAO friction materials with various metal powders: Tribological evaluation on full-scale inertia dynamometer. Wear 269, 826-837 (2010). DOI:10.1016/j.wear.2010.08.011

  33. Mukesh Kumar, Jayashree Bijwe: Studies on reduced scale tribometer to investigate the effects of metal additives on friction coefficient--Temperature sensitivity in brake materials. Wear 269, 838-846 (2010). DOI:10.1016/j.wear.2010.08.012

  34. Mukesh Kumar, Jayashree Bijwe: Role of different metallic fillers in non-asbestos organic (NAO) friction composites for controlling sensitivity of coefficient of friction to load and speed. Tribology International 43, 965-974 (2010). DOI:10.1016/j.triboint.2009.12.062

  35. D.K. Kolluri, Xavier Boidin, Yannick Desplanques, Gérard Degallaix, A.K. Ghosh, Mukesh Kumar, Jayashree Bijwe: Effect of Natural Graphite Particle size in friction materials on thermal localisation phenomenon during stop-braking. Wear 268, 1472-1482 (2010). DOI:10.1016/j.wear.2010.02.024

  36. Jayashree Bijwe, Mukesh Kumar, P.V. Gurunath, Yannick Desplanques, G’erard Degallaix: Optimization of brass contents for best combination of tribo-performance and thermal conductivity of non-asbestos organic (NAO) friction composites. Wear 265, 699-712 (2008). DOI:10.1016/j.wear.2007.12.016

  37. Jayashree Bijwe, Mukesh Kumar: Optimization of steel wool contents in non-asbestos organic (NAO) friction composites for best combination of thermal conductivity. Wear 263, 1243-1248 (2007). DOI:10.1016/j.wear.2007.01.125

Conference Proceedings (4)

• 1. Mukesh Kumar, N. Umezawa, M. Imai: Electronic properties of BaSi2 related materials: first-principles calculation study. proceedings of the 25th Silicide semiconductor meeting, The Japan Society of Applied Physics, page 1-4(2015).

  2. J. Bijwe, Mukesh Kumar: On the role of metallic fillers in NAO friction materials. Proc. of 3rd international workshop on Advances in Asbestos free Friction Composites (IWAAFC III), Indian Institute of Technology Delhi, India, Feb 9-10, 2011, pp. 1-8.

  3. Mukesh Kumar, X. Boidin, Y. Desplanques, J. Bijwe: Investigation on the role of metallic fillers in brake friction materials for counterface friendliness. Proceeding of 6th European Conference on Braking (JEF), Nov 23 – 24, 2010, Lille, France. pp. 87-92.

  4. Mukesh Kumar and J. Bijwe: Influence of brass as a filler on load-speed sensitivity of polymer based friction composites. Proc. of Recent Advances in Innovative Materials (RIAM-08), NIT Hamirpur, HP, India, February 17-18, 2009, pp. 187-193.