Silicon thin film solar cells on commercial tiles H Águas, SK Ram, A Araújo, D Gaspar, A Vicente, SA Filonovich, ... Energy & Environmental Science 4 (11), 4620-4632, 2011 | 92 | 2011 |
Improving the efficiency of solar cells by upconverting sunlight using field enhancement from optimized nano structures P. Balling, J. Christiansen, R.E. Christiansen, E. Eriksen, H. Lakhotiya, M ... Optical Materials 83, 279–289, 2018 | 28 | 2018 |
Normal and anti Meyer–Neldel rule in conductivity of highly crystallized undoped microcrystalline silicon films SK Ram, S Kumar, PR i Cabarrocas Journal of Non-Crystalline Solids 354 (19-25), 2263-2267, 2008 | 28 | 2008 |
Optimization of Er 3+-doped TiO 2-thin films for infrared light up-conversion SR Johannsen, LR Lauridsen, B Julsgaard, PT Neuvonen, SK Ram, ... Thin Solid Films 550, 499-503, 2014 | 27 | 2014 |
Investigations of the electron transport behavior in microcrystalline Si films SK Ram, S Kumar, R Vanderhaghen, PR i Cabarrocas Journal of non-crystalline solids 299, 411-415, 2002 | 27 | 2002 |
Influence of TiO 2 host crystallinity on Er 3+ light emission SR Johannsen, S Roesgaard, B Julsgaard, RAS Ferreira, J Chevallier, ... Optical Materials Express 6 (5), 1664-1678, 2016 | 25 | 2016 |
Efficient light-trapping with quasi-periodic uniaxial nanowrinkles for thin-film silicon solar cells Sanjay K. Ram, Derese Desta, Rita Rizzoli, Bruno P. Falcão, Emil H. Eriksen ... Nano Energy 35, 341-349, 2017 | 23 | 2017 |
Discharge characteristics of plasma display panels with Si-doped MgO protective layers SK Ram, UK Barik, S Sarkar, P Biswas, V Singh, HK Dwivedi, S Kumar Thin Solid Films 517 (23), 6252-6255, 2009 | 23 | 2009 |
Band edge discontinuities and carrier transport in c-Si/porous silicon heterojunctions MN Islam, SK Ram, S Kumar Journal of Physics D: Applied Physics 40 (19), 5840, 2007 | 23 | 2007 |
Structural determination of nanocrystalline Si films using ellipsometry and Raman spectroscopy SK Ram, MN Islam, PR i Cabarrocas, S Kumar Thin Solid Films 516 (20), 6863-6868, 2008 | 21 | 2008 |
Structural, optical and secondary electron emission properties of diamond like carbon thin films deposited by pulsed-DC plasma CVD technique DK Rai, D Datta, SK Ram, S Sarkar, R Gupta, S Kumar Solid State Sciences 12 (8), 1449-1454, 2010 | 18 | 2010 |
Infrared upconversion in radio frequency magnetron sputtered Er-doped zinc oxide thin films PT Neuvonen, K Sigvardt, SR Johannsen, J Chevallier, B Julsgaard, ... Applied Physics Letters 104 (10), 102106, 2014 | 17 | 2014 |
Mott and Efros-Shklovskii hopping conductions in porous silicon nanostructures MN Islam, SK Ram, S Kumar Physica E: Low-dimensional Systems and Nanostructures 41 (6), 1025-1028, 2009 | 17 | 2009 |
Influence of the statistical shift of Fermi level on the conductivity behavior in microcrystalline silicon SK Ram, S Kumar, PR i Cabarrocas Physical Review B 77 (4), 045212, 2008 | 17 | 2008 |
Study of anomalous behavior of steady state photoconductivity in highly crystallized undoped microcrystalline Si films SK Ram, S Kumar, PR i Cabarrocas Journal of non-crystalline solids 352 (9-20), 1172-1175, 2006 | 17 | 2006 |
Role of microstructure in electronic transport behavior of highly crystallized undoped microcrystalline Si Films SK Ram, S Kumar, PR i Cabarrocas Thin Solid Films 515 (19), 7469-7474, 2007 | 16 | 2007 |
Novel back-reflector architecture with nanoparticle based buried light-scattering microstructures for improved solar cell performance D Desta, SK Ram, R Rizzoli, M Bellettato, C Summonte, BR Jeppesen, ... Nanoscale 8 (23), 12035-12046, 2016 | 15 | 2016 |
Directly patterned TiO2 nanostructures for efficient light harvesting in thin film solar cells SK Ram, R Rizzoli, D Desta, BR Jeppesen, M Bellettato, I Samatov, ... Journal of Physics D: Applied Physics 48 (36), 365101, 2015 | 15 | 2015 |
Room-temperature rf-magnetron sputter-deposited W-doped indium oxide: decoupling the influence of W dopant and O vacancies on the film properties IG Samatov, BR Jeppesen, AN Larsen, SK Ram Applied Physics A 4 (122), 1-10, 2016 | 14 | 2016 |
Microstructure and surface roughness study of highly crystallized μc-Si: H Films SK Ram, S Kumar, D Deva, PR i Cabarrocas Thin Solid Films 515 (19), 7619-7624, 2007 | 13 | 2007 |