Annealing induced control of trap-assisted recombination in vacuum-deposited small-molecule solar cells

Madduri, Suresh and Katta, Venkata Seshaiah and Raavi, Sai Santosh Kumar and Singh, Shiv Govind (2021) Annealing induced control of trap-assisted recombination in vacuum-deposited small-molecule solar cells. Materials Letters, 300. p. 130159. ISSN 0167577X

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Abstract

Vacuum-deposited small-molecule organic solar cells based on DTDCTB (donor) and C70 (acceptor) molecules were systematically investigated for their solar-cell parameters and also the influence of thermal annealing on the morphology of the active layer. A detailed analysis is presented herewith, to understand the impact of thermal annealing on active layer nano-morphology and the origin of improved device performances via control over the trap-assisted charge recombination that directly affects the short-circuit current.

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IITH Creators:	IITH Creators ORCiD Madduri, S. UNSPECIFIED Katta, V.S UNSPECIFIED Raavi, Sai Santosh Kumar http://orcid.org/0000-0002-2496-9233 Singh, Shiv Govind http://orcid.org/0000-0001-7319-879X
Item Type:	Article
Uncontrolled Keywords:	Bimolecular recombination; Morphology; Small molecule organic solar cells; Thermal annealing
Subjects:	Electrical Engineering Physics
Divisions:	Department of Electrical Engineering
Depositing User:	. LibTrainee 2021
Date Deposited:	05 Jul 2021 04:46
Last Modified:	05 Jul 2021 04:46
URI:	http://raiithold.iith.ac.in/id/eprint/8080
Publisher URL:	http://doi.org/10.1016/j.matlet.2021.130159
OA policy:	https://v2.sherpa.ac.uk/id/publication/13701
Related URLs:	Author Author

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