期刊
CARBON
卷 93, 期 -, 页码 861-868出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.05.042
关键词
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资金
- National Key Basic Research Program [2012CB932903, 2012CB932904]
- Natural Science Foundation of China [91433205, 51421002, 51072221, 51372270, 51372272, 21173260, 11474333, 91233202]
- Knowledge Innovation Program of the Chinese Academy of Sciences
A free-standing thermoplastic carbon film with good flexibility and conductivity has been developed and introduced in perovskite solar cells for the first time. Due to its thermoplasticity, this free-standing carbon film can be directly hot pressed onto the perovskite layer as counter electrode. By optimization toward the components of carbon films and hot-pressing pressure, the back contact between the perovskite and carbon films has been significantly improved. Up to 13.53% of power conversion efficiency has been achieved, which is one of the highest efficiencies for hole transporting material-free perovskite solar cells. This kind of flexible carbon electrodes with the advantages of low-cost, simple and lowtemperature (<100 degrees C) preparation process and high efficiency, show great potential application in perovskite solar cells. (C) 2015 Elsevier Ltd. All rights reserved.
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