Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Benjamin Bissig"'
Autor:
Thomas P. Weiss, Benjamin Bissig, Thomas Feurer, Romain Carron, Stephan Buecheler, Ayodhya N. Tiwari
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-13 (2019)
Abstract The knowledge of minority carrier lifetime of a semiconductor is important for the assessment of its quality and design of electronic devices. Time-resolved photoluminescence (TRPL) measurements offer the possibility to extract effective lif
Externí odkaz:
https://doaj.org/article/8f0e996071044b29b6f00ee7686f0bd8
Autor:
Thomas Feurer, Benjamin Bissig, Thomas P. Weiss, Romain Carron, Enrico Avancini, Johannes Löckinger, Stephan Buecheler, Ayodhya N. Tiwari
Publikováno v:
Science and Technology of Advanced Materials, Vol 19, Iss 1, Pp 263-270 (2018)
Multi-junction solar cells show the highest photovoltaic energy conversion efficiencies, but the current technologies based on wafers and epitaxial growth of multiple layers are very costly. Therefore, there is a high interest in realizing multi-junc
Externí odkaz:
https://doaj.org/article/4a0638fcd5674ed4aa9773fd8dd313d2
Autor:
Romain Carron, Enrico Avancini, Thomas Feurer, Benjamin Bissig, Paolo A. Losio, Renato Figi, Claudia Schreiner, Melanie Bürki, Emilie Bourgeois, Zdenek Remes, Milos Nesladek, Stephan Buecheler, Ayodhya N. Tiwari
Publikováno v:
Science and Technology of Advanced Materials, Vol 19, Iss 1, Pp 396-410 (2018)
Cu(In,Ga)Se2 -based solar cells have reached efficiencies close to 23%. Further knowledge-driven improvements require accurate determination of the material properties. Here, we present refractive indices for all layers in Cu(In,Ga)Se2 solar cells wi
Externí odkaz:
https://doaj.org/article/ab7e9cc8e2d84dc78f6d6304652e923e
Autor:
Max Hilaire Wolter, Romain Carron, Thomas Feurer, Susanne Siebentritt, Stephan Buecheler, Thomas Paul Weiss, Wolfram Witte, Shiro Nishiwaki, Philip L. Jackson, Enrico Avancini, Benjamin Bissig
Publikováno v:
Progress in Photovoltaics: Research and Applications
Novel back contact reflector for high efficiency and double-graded Cu(In,Ga)Se2thin-film solar cells
Autor:
Stephan Buecheler, Lukas Greuter, Benjamin Bissig, Shiro Nishiwaki, Ayodhya N. Tiwari, Christian Andres, Enrico Avancini, Romain Carron, Thomas Feurer
Publikováno v:
Progress in Photovoltaics: Research and Applications
Autor:
Yaroslav E. Romanyuk, Johannes Löckinger, Benjamin Bissig, Ayodhya N. Tiwari, Stephan Buecheler, Shiro Nishiwaki, Thomas Paul Weiss
Publikováno v:
Solar Energy Materials and Solar Cells
The application of TiO2 as part of the buffer layer stack in thin film Cu(In,Ga)Se2 (CIGS) solar cells is investigated for the improvement of the photovoltaic device performance. In a standard device configuration a CdS/ZnO/Al:ZnO layer stack is appl
Autor:
Ayodhya N. Tiwari, Carlos Guerra-Nuñez, Benjamin Bissig, Martina Lingg, Romain Carron, Stephan Buecheler, Fabio La Mattina, Ivo Utke
Publikováno v:
Thin Solid Films
The electron beam induced current technique (EBIC) was applied to substrate configuration CdTe solar cells in order to estimate the current density loss due to incomplete charge collection. In order to improve the measurement accuracy a thin Al2O3 la
Autor:
Stephan Buecheler, Ayodhya N. Tiwari, Thomas Feurer, Shiro Nishiwaki, Benjamin Bissig, Enrico Avancini, Romain Carron
Publikováno v:
Thin Solid Films. 633:18-22
In-situ Se flux control system is applied for the growth of Cu(In,Ga)Se 2 (CIGS) absorber layers by a multi stage thermal co-deposition of elements at low substrate temperature below 500 °C. It was revealed that the composition depth profile of the
Autor:
Stefano Pisoni, Shiro Nishiwaki, Mohammed Makha, Fan Fu, Benjamin Bissig, Thomas Feurer, Stephan Buecheler, Ayodhya N. Tiwari
Publikováno v:
J. Mater. Chem. A. 5:13639-13647
The possibility of growing perovskite solar cells on flexible substrates can be seen as an exciting opportunity, allowing high throughput roll-to-roll manufacturing with a low embodied energy, and creating new applications in buildings, vehicles, por
Autor:
Enrico Avancini, Giovanna Sozzi, Patrick Reinhard, Thomas Feurer, Romain Carron, Stephan Buecheler, Benjamin Bissig, Roberto Menozzi, Ayodhya N. Tiwari, Shiro Nishiwaki, Simone Di Napoli
Publikováno v:
Progress in Photovoltaics: Research and Applications. 25:233-241
Highly efficient thin film solar cells based on co-evaporated Cu(In,Ga)Se2 (CIGS) absorbers are typically grown with a [Ga]/([Ga] + [In]) (GGI) gradient across the thickness and a Cu-poor composition. Upon increasing the Cu content towards the CIGS s