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

Applied Sciences

Xiaochen Lin¹  Yuanzuo Li²  Lu Mi²  Nan Gao²  Qian Liu³  Peng Song⁴  Fengcai Ma⁴ 

[1] Chemical Industry and Material College, Heilongjiang University, Harbin 150080, China;College of Science, Northeast Forestry University, Harbin 150040, China;Department of Applied Physics, Xi’an University of Technology, Xi’an 710054, China;Department of Physics, Liaoning University, Shenyang 110036, China;

关键词: DSSCs;    charge transfer;    cosensitized solar cell;    density functional theory;   

DOI  :  10.3390/app8071122

来源: DOAJ

【 摘 要 】

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).

【 授权许可】

Unknown