Raavi, Sai Santosh Kumar and Biswas, Chinmoy
(2019)
Femtosecond Pump-Probe Spectroscopy for Organic Photovoltaic Devices.
In:
digital Encyclopedia of Applied Physics.
UNSPECIFIED, pp. 1-49.
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Abstract
Charge photogeneration by exciton dissociation at the donor/acceptor interface is the heart of organic molecule–based devices for solar energy conversion. Femtosecond pump–probe spectroscopy offers a noninvasive technique to follow the charge photogeneration. In this article, we elucidate the contribution of femtosecond pump–probe spectroscopy in providing in‐depth insights into various photophysical aspects that aid in the development of efficient organic molecule–based solar cells, namely, dye‐sensitized solar cells, organic–inorganic hybrid solar cells, polymer‐based bulk heterojunction solar cells, and perovskite solar cells.
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