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Appl. Sci. 2018, 8(7), 1122; https://doi.org/10.3390/app8071122

Characterizations of Efficient Charge Transfer and Photoelectric Performance in the Cosensitization of Solar Cells

1
Department of Applied Physics, Xi’an University of Technology, Xi’an 710054, China
2
College of Science, Northeast Forestry University, Harbin 150040, China
3
Chemical Industry and Material College, Heilongjiang University, Harbin 150080, China
4
Department of Physics, Liaoning University, Shenyang 110036, China
*
Authors to whom correspondence should be addressed.
Received: 2 June 2018 / Revised: 2 July 2018 / Accepted: 4 July 2018 / Published: 11 July 2018
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Abstract

Dyes D35 and XY1 for solar cells have been investigated theoretically with the quantum chemistry method and visualized 3D cube representation. Some important information (such as absorption spectra, molecular orbitals, reorganization energy, chemical reactivity, driving force of electron injection, light-harvesting efficiency, as well as the dipole moment, etc.) has been studied to explain the efficiency of dyes, and the visualized intramolecular and intermolecular charge transfer process and fast dynamic process of the interface electron transfer have been studied to estimate the strength of electron transfer in cosensitization. Calculated results indicated that the improved absorption spectra range, fast electron injection, and the larger dipole moment significantly promote the cosensitized solar cell efficiency in comparison with isolated Dye-Sensitized Solar Cells (DSSCs). View Full-Text
Keywords: DSSCs; charge transfer; cosensitized solar cell; density functional theory DSSCs; charge transfer; cosensitized solar cell; density functional theory
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Liu, Q.; Lin, X.; Mi, L.; Gao, N.; Song, P.; Ma, F.; Li, Y. Characterizations of Efficient Charge Transfer and Photoelectric Performance in the Cosensitization of Solar Cells. Appl. Sci. 2018, 8, 1122.

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