The Performance Enhancement of Polymer Solar Cells by Introducing Cadmium-Free Quantum Dots
Source abstract
Abstract
The utilization of inorganic nanocrystals is one of the key strategies to improve the performance of polymer solar cells (PSCs). In this paper, CuInS 2 /ZnS (CIS-Z) quantum dots (QDs) were employed to improve efficiency of PSCs composed of poly [ N -9″-hepta-decanyl-2,7-carbazolealt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-ben-zothiadiazole)](PCDTBT)/fullerene derivative [6,6]-phenyl-C 70 -butyric acid methyl ester (PC 71 BM). The maximum power conversion efficiency of 7.19% was achieved, accounting for 21.6% enhancement compared to the control device. The incorporation of CIS-Z QDs allowed not only enhancing exciton generation and dissociation but also improving charge transport property, leading to a higher short-circuit current density and fill factor.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Quantum Dots Synthesis And Properties · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory on Integrated Optoelectronics, Jilin University, 2699 Qianjin Street, Changchun 130012, China
Funding
State Key Laboratory on Integrated Optoelectronics · National Natural Science Foundation of China · Jilin Province · Graduate Innovation Fund, Jilin University
References (52)
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