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Planar Type Trivalent Bismuth Based Pb-Free Perovskite Solar Cells
- Heo, Jin Hyuck;
- Lee, Min Ho;
- Song, Dae Ho;
- Song, Chang Eun;
- Lee, Jae-Joon;
- ... Im, Sang Hyuk;
- 외 1명
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8초록
An 8% stable planar type trivalent Bi-based Cs3Bi2I9 perovskite-sensitized solar cell (P-SSC) was demonstrated by fabricating a glass/FTO (F doped tin oxide)/TiO2/Cs3Bi2I9/PTAA (poly-triary-lamine)/Au construction. The Cs3Bi2I9 perovskite film formed by Cs3Bi2I9/N,N-dimethylformamide/HI solution featured a pure crystalline phase and excellent thermal stability. The unencapsulated Cs3Bi2I9 P-SSC maintained its initial efficiency for >500 h under continuous light soaking by 1 Sun at 65 degrees C and 60-70% relative humidity. Its functional stability may be due to the trivalent Bi based perovskite structure being more robust than the divalent Pb based perovskite one.
키워드
Trivalent; Bismuth; Pb-Free; Perovskite; Solar Cells; LEAD-FREE; HALIDE PEROVSKITES
- 제목
- Planar Type Trivalent Bismuth Based Pb-Free Perovskite Solar Cells
- 저자
- Heo, Jin Hyuck; Lee, Min Ho; Song, Dae Ho; Song, Chang Eun; Lee, Jae-Joon; Hong, Ki-Ha; Im, Sang Hyuk
- 발행일
- 2018-04
- 유형
- Article
- 권
- 10
- 호
- 4
- 페이지
- 591 ~ 595