Zobrazeno 1 - 10
of 220
pro vyhledávání: '"Sylvain Marsillac"'
Autor:
Dhurba R. Sapkota, Balaji Ramanujam, Puja Pradhan, Mohammed A. Razooqi Alaani, Ambalanath Shan, Michael J. Heben, Sylvain Marsillac, Nikolas J. Podraza, Robert W. Collins
Publikováno v:
Materials, Vol 17, Iss 16, p 4048 (2024)
Flux calibrations in multi-source thermal co-evaporation of thin films have been developed based on real-time spectroscopic ellipsometry (RTSE) measurements. This methodology has been applied to fabricate CuInSe2 (CIS) thin film photovoltaic (PV) abs
Externí odkaz:
https://doaj.org/article/05855fac5f75467f81f6c0b149648b2b
Autor:
Deewakar Poudel, Benjamin Belfore, Tasnuva Ashrafee, Elizabeth Palmiotti, Shankar Karki, Grace Rajan, Thomas Lepetit, Angus Rockett, Sylvain Marsillac
Publikováno v:
Energies, Vol 14, Iss 13, p 3938 (2021)
Cu(In,Ga)Se2 (or CIGS) thin films and devices were fabricated using a modified three-stage process. Using high deposition rates and a low temperature during the process, a copper chloride vapor treatment was introduced in between the second and third
Externí odkaz:
https://doaj.org/article/408cad56e574483c9c4488d669ac9eb2
Autor:
Deewakar Poudel, Benjamin Belfore, Tasnuva Ashrafee, Shankar Karki, Grace Rajan, Angus Rockett, Sylvain Marsillac
Publikováno v:
Materials, Vol 14, Iss 13, p 3596 (2021)
Cu(In,Ga)Se2 (CIGS) thin films were deposited at low temperature (350 °C) and high rate (10 µm/h) by a single stage process. The effect of post-deposition treatments at 400 °C and 500 °C by indium bromide vapor were studied and compared to the ef
Externí odkaz:
https://doaj.org/article/76b7bc01c3b043c0bb9923d22d535981
Autor:
Orlando Ayala, Benjamin Belfore, Tasnuva Ashrafee, John Akwari, Grace Rajan, Shankar Karki, Deewakar Poudel, Sylvain Marsillac
Publikováno v:
Energies, Vol 14, Iss 9, p 2479 (2021)
In this work, the diffusion process of sodium (Na) in molybdenum (Mo) thin films while it was deposited on soda lime glass (SLG) was studied. A small amount of oxygen was present in the chamber while the direct-current (DC) magnetron sputtering was u
Externí odkaz:
https://doaj.org/article/6ec7cd5f88b44530bd2e956817b98b45
Publikováno v:
Materials, Vol 13, Iss 19, p 4259 (2020)
A new method combining in-situ real-time spectroscopic ellipsometry and optical modeling to optimize the thickness of an anti-reflective (AR) coating for Cu(In,Ga)Se2 (CIGS) solar cells is described and applied directly to fabricate devices. The mode
Externí odkaz:
https://doaj.org/article/d8a5af1dc92243b4915df4f5addd3e45
Autor:
Deewakar Poudel, Shankar Karki, Benjamin Belfore, Grace Rajan, Sushma Swaraj Atluri, Sina Soltanmohammad, Angus Rockett, Sylvain Marsillac
Publikováno v:
Energies, Vol 13, Iss 17, p 4545 (2020)
The impact of moisture ingress on the surface of copper indium gallium diselenide (CIGS) solar cells was studied. While industry-scale modules are encapsulated in specialized polymers and glass, over time, the glass can break and the encapsulant can
Externí odkaz:
https://doaj.org/article/8acdb868e2494ebc9845f64d36aa7a83
Autor:
Grace Rajan, Krishna Aryal, Shankar Karki, Puruswottam Aryal, Robert W. Collins, Sylvain Marsillac
Publikováno v:
Journal of Spectroscopy, Vol 2018 (2018)
In view of the large-scale utilization of Cu(In,Ga)Se2 (CIGS) solar cells for photovoltaic application, it is of interest not only to enhance the conversion efficiency but also to reduce the thickness of the CIGS absorber layer in order to reduce the
Externí odkaz:
https://doaj.org/article/85d9b1d6923841cd936be8e1ef1bbb6c
Publikováno v:
Applied Sciences, Vol 9, Iss 1, p 188 (2019)
Perovskite solar cells have achieved photo-conversion efficiencies greater than 20%, making them a promising candidate as an emerging solar cell technology. While perovskite solar cells are expected to eventually compete with existing silicon-based s
Externí odkaz:
https://doaj.org/article/d9c9965494fb442f93c2a15f384d31fd
Autor:
Puja Pradhan, Puruswottam Aryal, Dinesh Attygalle, Abdel-Rahman Ibdah, Prakash Koirala, Jian Li, Khagendra P. Bhandari, Geethika K. Liyanage, Randy J. Ellingson, Michael J. Heben, Sylvain Marsillac, Robert W. Collins, Nikolas J. Podraza
Publikováno v:
Materials, Vol 11, Iss 1, p 145 (2018)
Real time spectroscopic ellipsometry (RTSE) has been applied for in-situ monitoring of the first stage of copper indium-gallium diselenide (CIGS) thin film deposition by the three-stage co-evaporation process used for fabrication of high efficiency t
Externí odkaz:
https://doaj.org/article/db309d8b3f814c638c2360c60de83e97
Autor:
Benjamin Belfore, Deewakar Poudel, Thomas Lepetit, Elizabeth Palmiotti, Tasnuva Ashrafee, Angus Rockett, Nicolas Barreau, Sylvain Marsillac
Publikováno v:
IEEE Journal of Photovoltaics. 12:1406-1411
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad0c2eb456604577b817fd57cb88c7d9
https://doi.org/10.1109/jphotov.2022.3214425
https://doi.org/10.1109/jphotov.2022.3214425