Efficient Perovskite Solar Cells with 13.63% Efficiency Based on Planar Triphenylamine Hole Conductors
- Authors
- Choi, Hyeju; Paek, Sanghyun; Lim, Namwoo; Lee, Yong Hui; Nazeeruddin, Mohammad Khaja; Ko, Jaejung
- Issue Date
- 25-Aug-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- hole transporting material; perovskites; solar cells
- Citation
- CHEMISTRY-A EUROPEAN JOURNAL, v.20, no.35, pp.10894 - 10899
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMISTRY-A EUROPEAN JOURNAL
- Volume
- 20
- Number
- 35
- Start Page
- 10894
- End Page
- 10899
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/97664
- DOI
- 10.1002/chem.201403807
- ISSN
- 0947-6539
- Abstract
- A new type of hole transporting material (HTMs) with an incorporated planar amine or triphenylamine as a core unit have been prepared. The two amine derivatives were demonstrated to be efficient hole transporting materials in fabricating solid-state organic-inorganic hybrid solar cells. Perovskite-based solar cells with a planar amine derivative gave a short circuit photocurrent density (J(sc)) of 20.98 mAcm(-2), an open circuit voltage (V-oc) of 0.972 V, and a fill factor of 0.67, corresponding to an overall conversion efficiency of 13.63 %. The photovoltaic performance is comparable to that of the standard spiro-OMeTAD. Moreover, the device showed good stability under light soaking for 500 h. These HTMs hold promise to replace the expensive spiro-OMeTAD because of their high efficiency, excellent stability, synthesis from simple and inexpensive materials.
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Collections - College of Science and Technology > Department of Advanced Materials Chemistry > 1. Journal Articles
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