自组装层修饰溅射氧化镍对刮涂制备的宽带隙钙钛矿太阳电池性能影响研究

人工晶体学报 ›› 2023, Vol. 52 ›› Issue (8): 1458-1466.

自组装层修饰溅射氧化镍对刮涂制备的宽带隙钙钛矿太阳电池性能影响研究

李佳宁^1,2,3,4,5, 葛欣^1,2,3,4,5, 黄子轩^1,2,3,4,5, 刘振^1,2,3,4,5, 王鹏阳^1,2,3,4,5, 石标^1,2,3,4,5, 赵颖^1,2,3,4,5, 张晓丹^1,2,3,4,5

1.南开大学光电子薄膜器件与技术研究所,可再生能源转换与存储中心,太阳能研究中心,天津 300350;
2.天津市光电薄膜器件与技术重点实验室,天津 300350;
3.物质绿色创造和制造海河实验室,天津 300192;
4.教育部薄膜光电技术工程研究中心,天津 300350;
5.化学科学与工程协同创新中心(天津),天津 300072

收稿日期:2023-02-20 出版日期:2023-08-15 发布日期:2023-08-21
通信作者: 石标,助理研究员。E-mail:biaos_xiaog@163.com
作者简介:李佳宁(1998—),男,河北省人,硕士研究生。E-mail:569028466@qq.com
基金资助:
国家重点研发计划(2021YFF0500501);国家自然科学基金联合基金(U21A2072);国家自然科学基金(62274099,62104115);高等教育学科创新海外人才引进项目(B16027);河北省重点研发计划(19214301D);天津市自然科学基金(20JCQNJC02070);中国博士后基金(2021T140341)

Effect of Sputtered NiO_x Modified by Self-Assembled Layer on Performance of Blade-Coated Wide-Bandgap Perovskite Solar Cells

LI Jianing^1,2,3,4,5, GE Xin^1,2,3,4,5, HUANG Zixuan^1,2,3,4,5, LIU Zhen^1,2,3,4,5, WANG Pengyang^1,2,3,4,5, SHI Biao^1,2,3,4,5, ZHAO Ying^1,2,3,4,5, ZHANG Xiaodan^1,2,3,4,5

1. Solar Energy Research Center, Renewable Energy Conversion and Storage Center, Institute of Photoelectronic Thin Film Devices and Technology, Nankai University, Tianjin 300350, China;
2. Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin, Tianjin 300350, China;
3. Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China;
4. Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education, Tianjin 300350, China;
5. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China

Received:2023-02-20 Online:2023-08-15 Published:2023-08-21

摘要/Abstract

摘要： 氧化镍作为高效钙钛矿太阳电池中常用无机空穴传输层材料,具有良好的光学透过性及化学稳定性,并且还可以通过磁控溅射等方法进行大面积制备,且成本低廉。然而相比于有机空穴传输材料,氧化镍和钙钛矿界面处的能级失配、缺陷及不良化学反应等限制了基于氧化镍空穴传输层的宽带隙钙钛矿太阳电池的性能。为解决这一问题,本文提出了采用(2-(9H-咔唑-9-基)乙基)膦酸((2-(9H-carbazol-9-yl) ethylphosphonic acid, 2PACz)自组装层作为氧化镍/宽带隙钙钛矿界面修饰材料。该分子可以有效钝化氧化镍表面缺陷、调节上层钙钛矿的成膜及促进界面电荷传输,最终宽带隙钙钛矿太阳电池的光电转换效率由16.18%提升至18.42%。本工作为氧化镍空穴传输层在宽带隙钙钛矿太阳电池中的应用提供了一种可借鉴的策略。

关键词: 宽带隙钙钛矿太阳电池, 空穴传输层, 氧化镍, 自组装层, 磁控溅射, 刮涂法

Abstract: As a common inorganic hole transport layer material in high efficiency perovskite solar cells, nickel oxide (NiO_x) has good optical transmission and chemical stability, and can also be prepared by magnetron sputtering and other scalable manufacturing methods at low cost. However, compared to organic hole transport materials, the energy level mismatch, defects, and adverse chemical reactions at the NiO_x/perovskite interface deteriorate the performance of NiO_x-based wide-bandgap perovskite solar cells (PSCs). To address these issues simultaneously, a self-assembled layer of (2-(9H-carbazol-9-yl) ethylphosphonic acid (2PACz) was proposed as NiO_x/wide-bandgap perovskite interface modification material. This molecule can passivate NiO_x surface traps, optimize the film formation of the upper perovskite layer and facilitate charge transport. Consequently, the power conversion efficiency (PCE) of wide-bandgap PSCs increase from 16.18% to 18.42%. This work provides a reference strategy for the application of NiO_x hole transport layer in wide-bandgap PSCs.

Key words: wide-bandgap perovskite solar cell, hole transport layer, nickel oxide, self-assembled layer, magnetron sputtering, blade-coating method

中图分类号:

TM914.4

李佳宁, 葛欣, 黄子轩, 刘振, 王鹏阳, 石标, 赵颖, 张晓丹. 自组装层修饰溅射氧化镍对刮涂制备的宽带隙钙钛矿太阳电池性能影响研究[J]. 人工晶体学报, 2023, 52(8): 1458-1466.

LI Jianing, GE Xin, HUANG Zixuan, LIU Zhen, WANG Pengyang, SHI Biao, ZHAO Ying, ZHANG Xiaodan. Effect of Sputtered NiO_x Modified by Self-Assembled Layer on Performance of Blade-Coated Wide-Bandgap Perovskite Solar Cells[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2023, 52(8): 1458-1466.

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