期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 18, 页码 16140-16146出版社
AMER CHEMICAL SOC
DOI: 10.1021/am504175x
关键词
low temperature; commercial carbon paste; hole-conductor free; perovskite; heterojunction solar cell
资金
- China Natural Science Foundation [21276044, 21120102036, 91233201]
- National Basic Research Program of China [2014CB239402]
Low-temperature-processed (100 degrees C) carbon paste was developed as counter electrode material in hole conductor free perovskite/TiO2 heterojunction solar cells to substitute noble metallic materials. Under optimized conditions, an impressive PCE value of 8.31% has been achieved with this carbon counter electrode fabricated by doctor-blading technique. Electrochemical impedance spectroscopy demonstrates good charge transport characteristics of low-temperature-processed carbon counter electrode. Moreover, this carbon counter electrode-based perovskite solar cell exhibits good stability over 800 h.
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