Proceedings of Online International Conference on Hybrid and Organic Photovoltaics (OnlineHOPV20)
DOI: https://doi.org/10.29363/nanoge.onlinehopv.2020.040
Publication date: 22nd May 2020
Incident photon to current efficiency (IPCE) measurement is used to characterize solar cells or photoelectrodes. For the IPCE measurements, a chopper based setups with Xe arc lamp is normally used. Such setup provides unstable light illumination which changes with time so no two IPCE measurements can be truly compared. Besides, these setups require long warm-up time, cause thermal heating of the solar cell/photoelectrode and have low power efficiencies. In this work, an advanced setup is used for the IPCE measurements. This setup provides a stable and reproducible LED light source. The light from LEDs is controlled electrically and provides an extensive frequency range for the IPCE measurement. IPCE measurements on such extensive frequency range are not possible with a mechanical chopper. With the advanced IPCE setup, complementary information is also obtained, i.e., phase information for real sine wave excitation, which provides further insight into the charge transfer kinetics of the system under investigation.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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