期刊
NANOSCALE
卷 8, 期 14, 页码 7459-7465出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr06974b
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资金
- US-India Partnership to Advance Clean Energy-Research [DE-AC36-08GO28308]
- US-India Partnership to Advance Clean Energy-Research (PACE-R) [IUSSTF/JCERDC-SERIIUS/2012]
The feasibility of self-saturated atomic layer deposition of Al2O3 on an organolead halide perovskite (MAPbl(3-x)Cl(x)) surface through a well known trimethylaluminium (TMA)-water (H2O) chemistry is studied. Though the sequential dosages of reactants form films on the perovskite surfaces, a self saturated growth is never observed. Self-saturation leads to the degradation of the material. Both experimental and density functional theory calculations are carried out for complete understanding of the growth mechanism of self-limiting Al2O3 on the perovskite surface.
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