Photophysical investigation of charge recombination in CdS/ZnO layers of CuIn(S,Se)2 solar cell

• Main Authors: Nalla, Venkatram, Ho, John C. W., Batabyal, Sudip K., Wang, Yue, Tok, Alfred Iing Yoong, Sun, Handong, Wong, Lydia H., Zheludev, Nikolay
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2014
• Subjects: DRNTU::Science::Physics
• Online Access: https://hdl.handle.net/10356/100491; http://hdl.handle.net/10220/24094
• Institution: Nanyang Technological University

Excitation wavelength dependent femtosecond transient photocurrents were measured on CuIn(S,Se) 2 solar cell devices, in the range of 330 nm–1300 nm. Below 450 nm wavelength excitations, charge recombination in CdS/ZnO layers is found to be responsible for longer decays and low...