用于钝化硫化铅胶体量子点以提高太阳能电池性能的新型混合配体。
Novel Hybrid Ligands for Passivating PbS Colloidal Quantum Dots to Enhance the Performance of Solar Cells.
作者信息
Yang Yuehua, Zhao Baofeng, Gao Yuping, Liu Han, Tian Yiyao, Qin Donghuan, Wu Hongbin, Huang Wenbo, Hou Lintao
机构信息
1State Key Laboratory of Luminescent Materials & Devices, Institute of Polymer Optoelectronic Materials & Devices, South China University of Technology, Guangzhou, 510640 People's Republic of China.
2Siyuan Laboratory, Department of Physics, Jinan University, Guangzhou, 510632 People's Republic of China.
出版信息
Nanomicro Lett. 2015;7(4):325-331. doi: 10.1007/s40820-015-0046-4. Epub 2015 Jun 20.
We developed novel hybrid ligands to passivate PbS colloidal quantum dots (CQDs), and two kinds of solar cells based on as-synthesized CQDs were fabricated to verify the passivation effects of the ligands. It was found that the ligands strongly affected the optical and electrical properties of CQDs, and the performances of solar cells were enhanced strongly. The optimized hybrid ligands, oleic amine/octyl-phosphine acid/CdCl improved power conversion efficiency (PCE) to much higher of 3.72 % for Schottky diode cell and 5.04 % for p-n junction cell. These results may be beneficial to design passivation strategy for low-cost and high-performance CQDs solar cells.
我们开发了新型混合配体来钝化硫化铅胶体量子点（CQDs），并制备了两种基于合成的CQDs的太阳能电池，以验证配体的钝化效果。结果发现，这些配体强烈影响CQDs的光学和电学性质，太阳能电池的性能得到显著提高。优化后的混合配体，即油胺/辛基膦酸/CdCl，使肖特基二极管电池的功率转换效率（PCE）大幅提高至3.72%，p-n结电池的功率转换效率提高至5.04%。这些结果可能有助于设计低成本、高性能的CQDs太阳能电池的钝化策略。
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