journal article·2018-04-23

Delayed Annealing Treatment for High-Quality CuSCN: Exploring Its Impact on Bifacial Semitransparent n-i-p Planar Perovskite Solar Cells

Lin Fan, Yuelong Li, Xin Yao, Yi Ding, Shanzhen Zhao, Biao Shi, Changchun Wei, Dekun Zhang, Baozhang Li, Guangcai Wang, Ying Zhao, Xiaodan Zhang

ACS Applied Energy Materials· Volume 1· Issue 4
Publisher page

Abstract

Inorganic p-type copper(I) thiocyanate (CuSCN) hole-transporting material (HTM) belongs to a promising class of compounds integral for the future commercialization of perovskite solar cells (PSCs). However, deposition of high-quality CuSCN films is a challenge for fabricating n-i-p planar PSCs. Here we demonstrate pinhole-free and ultrasmooth CuSCN films with high crystallinities and uniform coverage via delayed annealing treatment at 100 °C, which can effectively optimize the interfacial contact between the perovskite absorber and the electrode for efficient charge transport. A satisfactory efficiency of 13.31% is achieved from CuSCN-based n-i-p planar PSC. In addition, due to the superior transparency of p-type CuSCN HTMs, it is also possible to prepare bifacial semitransparent n-i-p planar PSCs, which eventually permits a maximum efficiency of 12.47% and 8.74% for the front and rear illumination, respectively. The low-temperature process developed in this work is also beneficial for those applications such as flexible and tandem solar cells on heat-sensitive substrates.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Photoelectronic Thin Film Devices and Technology of Nankai University, and Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Tianjin 300071, P. R. China

Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, P. R. China

National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, P. R. China

Key Laboratory of Optical Information Science and Technology of Ministry of Education, Tianjin 300071, P. R. China

Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Jiangsu Province · Application Foundation and Advanced Technology · International Cooperation Project of the Ministry of Science and Technology

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