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The Effect of Dopant-Free Hole-Transport Polymers on Charge Generation and Recombination in Cesium-Bismuth-Iodide Solar Cells
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- Zhu, Huimin (author)
- Uppsala universitet,Fysikalisk kemi
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- Johansson, Malin B, 1972- (author)
- Uppsala universitet,Fysikalisk kemi
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- Johansson, Erik M.J. (author)
- Uppsala universitet,Fysikalisk kemi
- (creator_code:org_t)
- 2018-02-16
- 2018
- English.
- In: ChemSusChem. - : Wiley-VCH Verlagsgesellschaft. - 1864-5631 .- 1864-564X. ; 11:6, s. 1114-1120
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The photovoltaic characteristics of CsBi3I10-based solar cells with three dopant-free hole-conducting polymers are investigated. The effect on charge generation and charge recombination in the solar cells using the different polymers is studied and the results indicate that the choice of polymer strongly affects the device properties. Interestingly, for the solar cell with poly[[2,3-bis(3-octyloxyphenyl)-5,8-quinoxalinediyl]-2,5-thiophenediyl] (TQ1), the photon-to-current conversion spectrum is highly improved in the red wavelength region, suggesting that the polymer also contributes to the photocurrent generation in this case. This report provides a new direction for further optimization of Bi-halide solar cells by using dopant-free hole-transporting polymers and shows that the energy levels and the interaction between the Bi-halide and the conducting polymers are very important for solar cell performance.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Keyword
- bismuth
- cesium bismuth iodide
- htm
- polymer
- solar cells
Publication and Content Type
- ref (subject category)
- art (subject category)
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