AI Article Synopsis
- High-efficiency quantum dot sensitized solar cells (QDSSCs) can be improved by increasing the quantum dot loading and minimizing surface trap states.* -
- The research introduces an I/MPA dual-ligands passivation strategy that reduces steric hindrance and electrostatic repulsion, allowing for higher quantum dot loading and decreased trap density.* -
- This method not only enhances charge transfer efficiency but also demonstrates versatility with various iodized salts, leading to a notable improvement in photovoltaic conversion efficiency from 5.71% to 7.03%.*
Article Abstract
High-efficiency quantum dot sensitized solar cells (QDSSCs) can be received by increasing quantum dot (QD) loading and mitigating QD surface trap states. Herein, the surface state of CuInS QDs is optimized through an I/MPA dual-ligands passivation strategy. The steric hindrance and electrostatic repulsion between QDs can be effectively reduced, thereby enabling an increased QD loading capacity. Meanwhile, the I/MPA dual-ligands passivation strategy can further lower the surface trap density, leading to substantially enhanced charge transfer efficiency of the solar cells. Interestingly, various iodized salts, including TBAI, MAI, and KI, are proved to possess comparable property, underscoring the versatility and broad applicability of this I/MPA dual-ligands passivation strategy. Eventually, CuInS QDSSCs based on the NHI/MPA dual-ligands exhibit a noteworthy enhancement in photovoltaic conversion efficiency, surpassing the benchmark of 5.71 % to reach 7.03 %.
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| http://dx.doi.org/10.1002/asia.202400836 | DOI Listing |
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High-Performance CuInS Quantum Dot Sensitized Solar Cells Through I/MPA Dual-Ligands Passivation.
Chem Asian J
December 2024
Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China.
Article Synopsis
- High-efficiency quantum dot sensitized solar cells (QDSSCs) can be improved by increasing the quantum dot loading and minimizing surface trap states.* -
- The research introduces an I/MPA dual-ligands passivation strategy that reduces steric hindrance and electrostatic repulsion, allowing for higher quantum dot loading and decreased trap density.* -
- This method not only enhances charge transfer efficiency but also demonstrates versatility with various iodized salts, leading to a notable improvement in photovoltaic conversion efficiency from 5.71% to 7.03%.*
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