Search Results - "Qunyu Bi"

High-Performance TiO2-Based Electron-Selective Contacts for Crystalline Silicon Solar Cells by Yang, Xinbo, Bi, Qunyu, Ali, Haider, Davis, Kristopher, Schoenfeld, Winston V., Weber, Klaus

“…Thin TiO2 films are demonstrated to be an excellent electron‐selective contact for crystalline silicon solar cells. An efficiency of 21.6% is achieved for…”
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High efficiency n-type silicon solar cells featuring passivated contact to laser doped regions by Yang, Xinbo, Bullock, James, Bi, Qunyu, Weber, Klaus

“…Minimizing carrier recombination at cell contacts becomes increasingly important for reaching high efficiency. In this work, the passivated contact concept is…”
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Growth of large-sized Ce:Y3Al5O12 (Ce:YAG) scintillation crystal by the temperature gradient technique (TGT) by Yang, Xinbo, Li, Hongjun, Bi, Qunyu, Su, Liangbi, Xu, Jun

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Ion-Implanted Laser-Annealed p+ and n+ Regions: A Potential Solution for Industrially Feasible High-Efficiency N-Type Interdigitated Back-Contact Solar Cells by Xinbo Yang, Muller, Ralph, Lujia Xu, Qunyu Bi, Weber, Klaus, Franklin, Evan, Benick, Jan

“…The main challenge for interdigitated back-contact (IBC) solar cells is to reduce the fabrication complexity, which consists of multiple high-temperature…”
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Growth of α-Al2O3:C crystal with highly sensitive optically stimulated luminescence by Yang, Xinbo, Li, Hongjun, Bi, Qunyu, Cheng, Yan, Tang, Qiang, Qian, Xiaobo, Xu, Jun

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Off-axis Fresnel numbers in laser systems by Yao, Yudong, Zhang, Junyong, Zhang, Yanli, Bi, Qunyu, Zhu, Jianqiang

“…Abstract The physical meaning and essence of Fresnel numbers are discussed, and two definitions of these numbers for off-axis optical systems are proposed. The…”
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Silicon heterojunction solar cells with electron selective TiOx contact by Yang, Xinbo, Zheng, Peiting, Bi, Qunyu, Weber, Klaus

“…Silicon solar cells featuring carrier selective contacts have been demonstrated to reach ultra-high conversion efficiency. In this work, the electron-selective…”
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Inverse symmetric Dammann gratings by Bi, Qunyu, Zhou, Changhe, Zheng, Jiangjun, Jia, Wei, Xie, Xinglong, Lin, Zunqi, Chung, P.S.

“…Inverse symmetric Dammann grating is a special grating, whose transition points are reflection symmetric about the midpoint with inverse phase offset in one…”
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Design and properties analysis of total internal reflection gratings for pulse compressor at 1053 nm by Bi, Qunyu, Zheng, Jiangjun, Guo, Ailin, Sun, Meizhi, Wang, Jianpeng, Zhang, Fuling, Yang, Qingwei, Xie, Xinglong, Lin, Zunqi

“…High-efficiency compression gratings based on total internal reflection (TIR) are promising alternatives of compressor gratings because of their high…”
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Diffraction grating single-shot correlation system for measurement of picosecond laser pulses by Fuling Zhang Xiaoping Ouyang Meizhi Sun Qunyu Bi Xinglong Xie Zunqi Lin

“…We study and experimentally demonstrate a sensitive single-shot correlation system in which only a diffraction grating is used to produce a transverse time…”
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Analysis of ultra-broadband high-energy optical parametric chirped pulse amplifier based on YCOB crystal by 孙美智 季来林 毕群玉 王楠楠 康俊 谢兴龙 林尊琪

“…A new type of optical parametric chirped pulse amplifier is designed and analyzed for the amplification of pulse centered at 808 nm. A novel crystal, yttrium…”
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High‐Performance Transparent Electron‐Selective Contact for Crystalline Silicon Solar Cells by Xu, Dacheng, Bi, Qunyu, Li, Kun, Gao, Kun, Wang, Xinyu, Shi, Wei, Wang, Shibo, Xing, Chunfang, Zhang, Xiaohong, Yang, Xinbo

“…High‐efficiency silicon solar cells featuring doped silicon layer‐based carrier‐selective contacts suffer from optical losses due to parasitic absorption. In…”
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Progress and Future Prospects of Wide‐Bandgap Metal‐Compound‐Based Passivating Contacts for Silicon Solar Cells by Gao, Kun, Bi, Qunyu, Wang, Xinyu, Liu, Wenzhu, Xing, Chunfang, Li, Kun, Xu, Dacheng, Su, Zhaojun, Zhang, Cheng, Yu, Jian, Li, Dongdong, Sun, Baoquan, Bullock, James, Zhang, Xiaohong, Yang, Xinbo

“…Advanced doped‐silicon‐layer‐based passivating contacts have boosted the power conversion efficiency (PCE) of single‐junction crystalline silicon (c‐Si) solar…”
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A Highly Conductive Titanium Oxynitride Electron‐Selective Contact for Efficient Photovoltaic Devices by Yang, Xinbo, Lin, Yuanbao, Liu, Jiang, Liu, Wenzhu, Bi, Qunyu, Song, Xin, Kang, Jingxuan, Xu, Fuzong, Xu, Lujia, Hedhili, Mohamed N., Baran, Derya, Zhang, Xiaohong, Anthopoulos, Thomas D., De Wolf, Stefaan

“…High‐quality carrier‐selective contacts with suitable electronic properties are a prerequisite for photovoltaic devices with high power conversion efficiency…”
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Silicon nano-bridge waveguide assisted polarizing beam splitter by Liu, Haipeng, Feng, Jijun, Chen, Jian, Zhou, Wenjie, Bi, Qunyu, Zeng, Heping

“…[Display omitted] •A nano-bridge waveguide was used to realize a directional coupler based polarizing beam splitter.•TM light can be resonant tunneling…”
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Atomic Layer Deposition of Vanadium Oxide as Hole‐Selective Contact for Crystalline Silicon Solar Cells by Yang, Xinbo, Xu, Hang, Liu, Wenzhu, Bi, Qunyu, Xu, Lujia, Kang, Jingxuan, Hedhili, Mohamed N., Sun, Baoquan, Zhang, Xiaohong, De Wolf, Stefaan

“…High carrier recombination loss at the contact regions has become the dominant factor limiting the power conversion efficiency (PCE) of crystalline silicon…”
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Efficient Silicon Solar Cells with Aluminum‐Doped Zinc Oxide‐Based Passivating Contact by Gao, Kun, Xu, Dacheng, Wang, Jing, Bi, Qunyu, Wu, Zhao, Lin, Hong, Wang, Shibo, Shi, Wei, Yu, Cao, Cao, Fengxian, Diao, Yifan, Xie, Junjie, Wang, Xinyu, Li, Kun, Lou, Xinliang, Li, Wenhao, Xing, Chunfang, Wang, Yujiao, Yan, Tong, Zhang, Daliang, de Wolf, Stefaan, Zhang, Xiaohong, Yang, Xinbo

“…Abstract Crystalline silicon ( c ‐Si) solar cells require passivating contacts to unlock their full efficiency potential. For this doped silicon layers are the…”
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Silicon heterojunction solar cells with electron selective TiO sub(x) contact by Yang, Xinbo, Zheng, Peiting, Bi, Qunyu, Weber, Klaus

“…Silicon solar cells featuring carrier selective contacts have been demonstrated to reach ultra-high conversion efficiency. In this work, the electron-selective…”
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Passivated contacts to laser doped p+ and n+ regions by Yang, Xinbo, Bullock, James, Xu, Lujia, Bi, Qunyu, Surve, Sachin, Ernst, Marco, Weber, Klaus

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High‐Performance TiO 2 ‐Based Electron‐Selective Contacts for Crystalline Silicon Solar Cells by Yang, Xinbo, Bi, Qunyu, Ali, Haider, Davis, Kristopher, Schoenfeld, Winston V., Weber, Klaus

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