首页|Inorganic iodide surface passivation on PbS quantum dots by one-step process for quantum dots sensitized solar cells

Inorganic iodide surface passivation on PbS quantum dots by one-step process for quantum dots sensitized solar cells

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An inorganic iodide surface passivated PbS quantum dot is prepared by one-step process for the quantum dot sensitized solar cells. The quality of PbS quantum dots has been improved and the defect-trapping of PbS quantum dots has been effectively suppressed. The TiO2/PbS photo-electrodes with iodide surface passivated PbS quantum dots by one-step process has exhibited excellent optical absorption, charge separation and charge transfer properties. With the higher open-circuit voltage and short-circuit current density value, the photovoltaic conversion efficiency of TiO2/PbS quantum dot sensitized solar cells has been enhanced from 3.59% to 4.13% with iodide surface passivated PbS quantum dots by one-step process.

Quantum dot sensitized solar cellsInorganic iodide surface passivationOne-step processCharge transferPhotovoltaic performance enhancementTRANSFER PERFORMANCE

Huang, Dong、Peng, Zhuoyin、Long, Chengtang、Luo, Wen、Wang, Yue、Fu, Yilong

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Beihang Univ

Changsha Univ Sci & Technol

2022

Chemical Physics Letters

Chemical Physics Letters

EISCI
ISSN:0009-2614
年,卷(期):2022.791
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