Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Khagendra P Bhandari"'
Autor:
Khagendra P. Bhandari, Dhurba R. Sapkota, Manoj K. Jamarkattel, Quenton Stillion, Robert W. Collins
Publikováno v:
Nanomaterials, Vol 13, Iss 11, p 1795 (2023)
Zinc oxide (ZnO) nanoparticles have shown great potential because of their versatile and promising applications in different fields, including solar cells. Various methods of synthesizing ZnO materials have been reported. In this work, controlled syn
Externí odkaz:
https://doaj.org/article/62cd9e35ec9440f2a498a781a88b1f88
Autor:
Collins, Khagendra P. Bhandari, Dhurba R. Sapkota, Manoj K. Jamarkattel, Quenton Stillion, Robert W.
Publikováno v:
Nanomaterials; Volume 13; Issue 11; Pages: 1795
Zinc oxide (ZnO) nanoparticles have shown great potential because of their versatile and promising applications in different fields, including solar cells. Various methods of synthesizing ZnO materials have been reported. In this work, controlled syn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::2b2e49f80c88ebc90f926e601d6581a5
Autor:
Randy J. Ellingson, Fadhil K. Alfadhili, Michael J. Heben, Khagendra P. Bhandari, Ebin Bastola, Adam J. Phillips, Geethika K. Liyanage, Suneth C. Watthage, Zhaoning Song
Publikováno v:
Progress in Photovoltaics: Research and Applications. 28:1024-1033
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e36d01eae61e11a745c22470bc5fa66
https://doi.org/10.1002/pip.3309
https://doi.org/10.1002/pip.3309
Autor:
Khagendra P. Bhandari
Publikováno v:
Optics
Volume 1
Issue 1
Pages 2-31
Volume 1
Issue 1
Pages 2-31
The optical reflectance spectra of alkali halide crystals KI and RbI were measured over the energy range of 4.14 to 6.91 eV. Both single crystal and poly-crystal samples were used to accomplish this task. The phase θ ( ω ) was computed using the Kr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::529756f4587b1beee4c3e17fdb335a46
https://doi.org/10.3390/opt1010002
https://doi.org/10.3390/opt1010002
Autor:
Zhaoning Song, Randy J. Ellingson, Adam B. Phillips, Michael J. Heben, Nikolas J. Podraza, Indra Subedi, Ebin Bastola, Kamala Khanal Subedi, Khagendra P. Bhandari
Publikováno v:
Solar Energy Materials and Solar Cells. 186:227-235
Critical avenues to increase energy yield for CdTe photovoltaic (PV) technology, such as bifacial cells or tandem cells designs, rely on the need to develop transparent back contact approaches that enable high efficiency and high transparency. We rep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea2749fcc139b9a16089666d9014700
https://doi.org/10.1016/j.solmat.2018.06.025
https://doi.org/10.1016/j.solmat.2018.06.025
Publikováno v:
MRS Communications. 8:970-978
Here, we report thiol-free thermal-injection synthesis of chalcopyrite (CuFeS2) nanocrystals (NCs) using iron (II) bromide (FeBr2), copper (II) acetaylacetonate (Cu(acac)2), and elemental sulfur (S). Controlled reaction temperature and growth time yi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5302c6a54fc9a0663cf221e78f65284f
https://doi.org/10.1557/mrc.2018.117
https://doi.org/10.1557/mrc.2018.117
Autor:
Jacob M. Gibbs, Adam B. Phillips, Michael J. Heben, Khagendra P. Bhandari, Randy J. Ellingson, Zhaoning Song, Geethika K. Liyanage, Fadhil K. Alfadhili, Rabee B. Alkhayat, Suneth C. Watthage, Ramez Hosseinian Ahangharnejhad, Zahrah S. Almutawah
Publikováno v:
IEEE Journal of Photovoltaics. 8:1125-1131
The presence of a Te-rich surface or an elemental Te layer is beneficial for the formation of a low-barrier back contact for high-efficiency CdTe solar cells. Etching processes are widely used to form Te-rich CdTe surfaces, while deposition processes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19407cb24479517870bacdd3858e39ce
https://doi.org/10.1109/jphotov.2018.2830302
https://doi.org/10.1109/jphotov.2018.2830302
Publikováno v:
MRS Advances. 3:2441-2447
The cadmium telluride (CdTe) photovoltaic (PV) comprise an efficient and cost-effective technology for harvesting solar energy. However, device efficiency remains limited in part by low-open circuit voltage (VOC) and fill factor (FF) due to inefficie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7320e9659e993bb3eed297534a0f90eb
https://doi.org/10.1557/adv.2018.349
https://doi.org/10.1557/adv.2018.349
Autor:
Xinxuan Tan, Adam B. Phillips, Michael J. Heben, Fadhil K. Alfadhili, Khagendra P. Bhandari, Peymon Zereshki, Prakash Koirala, Robert W. Collins, Randy J. Ellingson
Publikováno v:
Solar Energy Materials and Solar Cells. 163:277-284
We report the properties of hybrid deposited iron pyrite (FeS2) thin films applied as the back contact interface layers of CdS/CdTe solar cells. The hybrid deposition process for FeS2 optimized in this study relies on DC magnetron sputtering of iron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c065c1ed43051365b97f1d1dac9555ac
https://doi.org/10.1016/j.solmat.2017.01.044
https://doi.org/10.1016/j.solmat.2017.01.044
Publikováno v:
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).
We have described the use of the Kramers-Kronig method for the analysis of reflectance spectra. Using this method, we have reported the optical and dielectric properties of organic-inorganic metal halide perovskite thin films. We prepared thin films
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7d6843e3176554425ab723c331e3ca0
https://doi.org/10.1109/pvsc40753.2019.8981333
https://doi.org/10.1109/pvsc40753.2019.8981333