期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 8, 期 19, 页码 4826-4831出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.7b02203
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类别
资金
- Next-Generation Supercomputer project (the K computer project)
- FLAG-SHIP within the priority study S (Development of new fundamental technologies for high-efficiency energy creation, conversion/storage and use) of MEXT, Japan
- FOCUS Establishing Supercomputing Center of Excellence
- CREST, Japan Science and Technology (JST) Agency
We performed a systematic high-throughput simulation with density functional theory for 11 025 compositions of hybrid organic inorganic halide compounds in ABX(3) and A(2)BB'X-6 forms, where A is an organic or inorganic component, B/B' is a metal atom, and X is a halogen atom. The computational results were compiled as a materials database. We performed massive computational simulation by using the K computer, which is a massively parallel many-core supercomputer in Japan. By applying the screening procedure to all the compounds in the materials database, we discovered novel candidates for environmentally friendly lead-free perovskite solar cells and propose 51 low-toxic halide single and double perovskites, most of which are newly proposed in this study. The proposed low-toxic halide double perovskites are classified under six families: group-14 group-14, group 13 group-15, group-11 group-11, group-9 group-13, group-11 group- 13, and group-11 group-15 double perovskites.
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