Title:
ORGANIC-INORGANIC PEROVSKITE COMPOUND HAVING ENHANCED STABILITY
Document Type and Number:
WIPO Patent Application WO/2021/221259
Kind Code:
A1
Abstract:
An organic-inorganic perovskite compound according to the present invention contains: monovalent amidinium cations, monovalent alkylammonium cations and divalent alkylenediammonium cations as organic cations; divalent metal ions and alkali metal ions having an ionic radius of 0.8 to 1.3 with respect to the ionic radius of the divalent metal ions, as inorganic cations; and halogen ions as inorganic anions.
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Inventors:
JEON NAM JOONG (KR)
SEO JANG WON (KR)
PARK EUN YOUNG (KR)
SHIN SEONG SIK (KR)
LEE SEUNG JOO (KR)
PARK HELEN HEJIN (KR)
SONG SEULKI (KR)
KIM GEUN JIN (KR)
KIM SONG HEE (KR)
SEO JANG WON (KR)
PARK EUN YOUNG (KR)
SHIN SEONG SIK (KR)
LEE SEUNG JOO (KR)
PARK HELEN HEJIN (KR)
SONG SEULKI (KR)
KIM GEUN JIN (KR)
KIM SONG HEE (KR)
Application Number:
PCT/KR2020/017178
Publication Date:
November 04, 2021
Filing Date:
November 27, 2020
Export Citation:
Assignee:
KOREA RES INST CHEMICAL TECH (KR)
International Classes:
C07F7/24; C07F13/00; H01L51/00; H01L51/42
Domestic Patent References:
| WO2019005663A1 | 2019-01-03 |
Foreign References:
| US20180037813A1 | 2018-02-08 |
Other References:
MIN HANUL, KIM MAENGSUK, LEE SEUNG-UN, KIM HYEONWOO, KIM GWISU, CHOI KEUNSU, LEE JUN HEE, SEOK SANG IL: "Efficient, stable solar cells by using inherent bandgap of α-phase formamidinium lead iodide", SCIENCE, AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE, US, vol. 366, no. 6466, 8 November 2019 (2019-11-08), US , pages 749 - 753, XP055867122, ISSN: 0036-8075, DOI: 10.1126/science.aay7044
WU HSUAN-TA, CHENG YU-TING, LEU CHING-CHICH, WU SHIH-HSIUNG, SHIH CHUAN-FENG: "Improving Two-Step Prepared CH3NH3PbI3 Perovskite Solar Cells by Co-Doping Potassium Halide and Water in PbI2 Layer", NANOMATERIALS, vol. 9, no. 5, 27 April 2019 (2019-04-27), XP055867120, DOI: 10.3390/nano9050666
LU JIANFENG, JIANG LIANGCONG, LI WEI, LI FENG, PAI NARENDRA K., SCULLY ANDREW D., TSAI CHENG‐MIN, BACH UDO, SIMONOV ALEXANDR N., C: "Diammonium and Monoammonium Mixed‐Organic‐Cation Perovskites for High Performance Solar Cells with Improved Stability", ADVANCED ENERGY MATERIALS, WILEY - V C H VERLAG GMBH & CO. KGAA, DE, vol. 7, no. 18, 1 September 2017 (2017-09-01), DE , pages 1700444, XP055867119, ISSN: 1614-6832, DOI: 10.1002/aenm.201700444
WU HSUAN-TA, CHENG YU-TING, LEU CHING-CHICH, WU SHIH-HSIUNG, SHIH CHUAN-FENG: "Improving Two-Step Prepared CH3NH3PbI3 Perovskite Solar Cells by Co-Doping Potassium Halide and Water in PbI2 Layer", NANOMATERIALS, vol. 9, no. 5, 27 April 2019 (2019-04-27), XP055867120, DOI: 10.3390/nano9050666
LU JIANFENG, JIANG LIANGCONG, LI WEI, LI FENG, PAI NARENDRA K., SCULLY ANDREW D., TSAI CHENG‐MIN, BACH UDO, SIMONOV ALEXANDR N., C: "Diammonium and Monoammonium Mixed‐Organic‐Cation Perovskites for High Performance Solar Cells with Improved Stability", ADVANCED ENERGY MATERIALS, WILEY - V C H VERLAG GMBH & CO. KGAA, DE, vol. 7, no. 18, 1 September 2017 (2017-09-01), DE , pages 1700444, XP055867119, ISSN: 1614-6832, DOI: 10.1002/aenm.201700444
Attorney, Agent or Firm:
PLUS INTERNATIONAL IP LAW FIRM (KR)
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