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Your search keyword '"YUAN Shihao"' showing total 7 results
Start Over Author "YUAN Shihao" Journal acs applied materials & interfaces
7 results on '"YUAN Shihao"'

1. Ammonium Additive Engineering in Antisolvents for Improving Perovskite/Charge-Transport-Layer Interfaces toward Efficient Lead–Tin Alloyed Perovskite Solar Cells

Author

Zhang, Ting, primary, Qian, Feng, additional, Zhai, Yahui, additional, Li, Jian, additional, Wang, Lei, additional, Diao, Zecheng, additional, Yuan, Shihao, additional, Zheng, Hualin, additional, Wang, Yafei, additional, Gong, Yanli, additional, Chen, Zhi David, additional, and Li, Shibin, additional

Published
2024
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6. High-Performance, Self-Powered Photodetectors Based on Perovskite and Graphene

Author

Li, Juan, primary, Yuan, Shihao, additional, Tang, Guanqi, additional, Li, Guijun, additional, Liu, Dan, additional, Li, Jing, additional, Hu, Xihong, additional, Liu, Yucheng, additional, Li, Jianbo, additional, Yang, Zhou, additional, Liu, Shengzhong Frank, additional, Liu, Zhike, additional, Gao, Fei, additional, and Yan, Feng, additional

Published
2017
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7. Efficient Stabilization and Passivation for Low-Temperature-Processed γ-CsPbI3Solar Cells

Author

Chen, Hao, Zhang, Ting, Wang, Feng, Yang, Wenyao, Wang, Yafei, Zheng, Hualin, Ji, Long, Yuan, Shihao, Gu, Yiding, Liu, Detao, Peng, Xuefeng, Chen, Li, and Li, Shibin

Abstract

The inorganic CsPbI3perovskite has attracted tremendous attention in the photovoltaic fields for its chemical stability and suitable band gap. Generally, CsPbI3solar cells with decent performances adopted high annealing temperature to form high-quality black-phase perovskite films. The high-temperature process hinders its practical application and further development. Hence, fabricating stable black-phase CsPbI3at low temperature is imperative and necessary. In this work, a new additive p-xylilenediamine bromide (PhDMADBr) is reported to facilitate the synthesis of solution-processed, high-quality, and stable γ-CsPbI3films at a surprisingly low temperature of 60 °C. The additive with an appropriate content can effectively improve both the film morphology and crystallinity of γ-CsPbI3perovskite films. PhDMADBr anchors to the perovskite surface or grain boundaries as a protection through hydrogen bonding between its ammonium cations and CsPbI3. In addition, the Br element introduced by the additive passivates I–vacancies in perovskite films, resulting in the improvement of both phase stability and devices’ performance. Finally, the PSCs based on the modified γ-CsPbI3perovskite film achieve a champion efficiency of 12.71%. Moreover, the device retains 85% of its original efficiency after being kept for 1000 h.

Published
2021
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