期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 3, 期 10, 页码 5360-5367出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta06128d
关键词
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资金
- National Natural Science Foundation of China [51272033]
- Priority Academic Program Development of Jiangsu Higher Education Institutions on Renewable Energy Material Science and Engineering
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [14KJA430001, EEKJA48000]
For the successful commercialization of organic-inorganic halide perovskite solar cells, it is necessary to ensure their stability in addition to high efficiency. In this study, the degradation mechanism of organic-inorganic halide structures in humidity was investigated computationally. Owing to the high polarity of water molecules, the unprotected organic-inorganic structure will inevitably decompose in a humid environment. To improve the ambient stability of the organic-inorganic perovskite solar cells, we introduced an interface modification method using ultrathin compact aluminum oxide (Al2O3) layers deposited by atomic layer deposition (ALD). The experimental results showed the ambient stability of the organic-inorganic perovskite solar cell with an ultrathin compact Al2O3 layer was greatly improved without a significant reduction in efficiency.
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