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研究领域工程学材料工程复合半导体
在高效矿太阳能电池中实现纯二维阶段被动化

在高效矿太阳能电池中实现纯二维阶段被动化

Zhuojie Shi ^1,2,3, Shunchang Liu ^2,3, Ran Luo ^1,2,3, Jianpeng Ma ⁴, Hao Tian ^5,6, Xi Wang ^2,3, Zijing Dong ^2,3, Xiao Guo ^2,3, Jinxi Chen ^2,3, Jiangang Feng ^7,8, Chuanxiao Xiao ^5,6, Yuchen Wu ⁴, Wenping Hu ^1,9, Yi Hou ^2,3

Zhuojie Shi ^1,2,3, Shunchang Liu ^2,3, Ran Luo ^1,2,3

¹Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Fuzhou, Fuzhou 350207, China.
²Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore.
³Solar Energy Research Institute of Singapore (SERIS), National University of Singapore, Singapore 117574, Singapore.
⁴Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
⁵Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City 315200, China.
⁶Ningbo New Materials Testing and Evaluation Center Co., Ltd, Ningbo City 315201, China.
⁷School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, China.
⁸Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou, Jiangsu 215123, China.
⁹Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China.

⁰Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Fuzhou, Fuzhou 350207, China.

Journal of the American Chemical Society +

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2024年十二月19日

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在PubMed上查看摘要

概括

此摘要是机器生成的。

通过联体介导的表面被动化会产生均的二维矿层,提高矿太阳能电池 (PSC) 的效率和稳定性. 这种方法克服了混乱的量子井的问题,从而提高了设备的性能.

科学领域

材料科学
可再生能源
太阳能发电

背景情况

对于矿太阳能电池 (PSC) 的效率,使用2D/3D异构.
在二维矿中, 失序的量子会导致能量不均和不稳定.
这限制了n-i-pPSC的发展.

研究的目的

开发一种用于纯相二维矿被动化的多功能方法.
实现一个均的能源景观和统一的表面潜力.
提高n-i-p公共服务中心的效率和运营稳定性.

主要方法

使用双联体代位的联体介导表面被动化.
使用了3,6-二甲基-碳-9-乙烯酸和m-甲酸.
调节表面反应以控制二维矿形成.

主要成果

产生了相纯二维矿层,量子井分布狭窄.
实现了均的表面电位,并在接口上保持了更高的电场.
冠军设备的效率达到25.86% (0.05厘米2) 和25.08% (1厘米2).
证明了增强的运行稳定性 (T90>1000小时) 和热稳定性.

结论

通过联体介导的被动化提供了高效和稳定的PSC的途径.
这种方法解决了二维矿中无序量子井的局限性.
为提高PSC性能提供了创建稳定的2D被动化层的见解.

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相关概念视频

P-N junction

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...

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