期刊
NANO LETTERS
卷 13, 期 4, 页码 1764-1769出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl400349b
关键词
Inorganic-organic hybrid; nanostructured; colorful; efficient and stable solar cells
类别
资金
- Global Research Laboratory (GRL) Program
- Global Frontier R&D Program on Center for Multiscale Energy System
- National Research Foundation under the Ministry of Education, Science and Technology of Korea
- KRICT Program for Future Technology of the Korea Research Institute of Chemical Technology (KRICT), Republic of Korea
- National Research Foundation of Korea [2011-0031565, 2007-00091] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Chemically tuned inorganic-organic hybrid materials, based on CH3NH3(=MA)Pb(I1-xBrx)(3) perovskites, have been studied using UV-vis absorption and X-ray diffraction patterns and applied to nanostructured solar cells. The band gap engineering brought about by the chemical management of MAPb(I1-xBrx)(3) perovskites can be controllably tuned to cover almost the entire visible spectrum, enabling the realization of colorful solar cells. We demonstrate highly efficient solar cells exhibiting 12.3% in a power conversion efficiency of under standard AM 1.5, for the most efficient device, as a result of tunable composition for the light harvester in conjunction with a mesoporous TiO2 film and a hole conducting polymer. We believe that the works highlighted in this paper represent one step toward the realization of low-cost, high-efficiency, and long-term stability with colorful solar cells.
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