Highly conductive and broadband transparent Zr-doped In2O3 as the front electrode for monolithic perovskite/silicon tandem solar cells

IF 8 2区 材料科学 Q1 ENERGY & FUELS
Wei Han, Qiaojing Xu, Jin Wang, Jingjing Liu, Yuxiang Li, Qian Huang, Biao Shi, Shengzhi Xu, Ying Zhao, Xiaodan Zhang
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Abstract

Perovskite/silicon tandem solar cells show great potential for commercialization because of their high power conversion efficiency (PCE). The optical loss originated from the transparent electrode is still a challenge to further improve the PCE of perovskite/silicon tandem solar cells. Here, we developed zirconium-doped indium oxide (IZrO), a material with low resistivity and high transmittance sputtered at room temperature. It possesses a high mobility of 29.6 cm2/(V·s), a low resistivity of 3.32 × 10−4 Ω·cm, and a low sheet resistance of 25.55 Ω·sq−1 as well as a high average transmittance of 81.55% in a broadband of 400–1200 nm. Moreover, the work function (WF = 4.33 eV) matches well with the energy level of Ag electrode and SnO2 buffer layer in the P-I-N type tandem device. Compared with the previous zinc-doped indium oxide (IZO) transparent electrode device, the absolute efficiency of perovskite/silicon tandem devices based on IZrO electrode is about 0.6% higher. The champion P-I-N type perovskite/silicon tandem solar cells employing IZrO as the front conducts show efficiency of 28.28% (area of 0.5036 cm2).

Abstract Image

高导电性宽带透明zr掺杂In2O3作为单片钙钛矿/硅串联太阳能电池的前电极
钙钛矿/硅串联太阳能电池由于其高功率转换效率(PCE)而具有巨大的商业化潜力。透明电极产生的光损耗仍然是进一步提高钙钛矿/硅串联太阳能电池PCE的一个挑战。在这里,我们开发了一种在室温下溅射的低电阻率和高透射率的锆掺杂氧化铟(IZrO)材料。它具有29.6 cm2/(V·s)的高迁移率,3.32 × 10−4 Ω·cm的低电阻率,25.55 Ω·sq−1的低片阻,以及400-1200 nm宽带内81.55%的高平均透过率。此外,功函数WF = 4.33 eV与P-I-N串联器件中Ag电极和SnO2缓冲层的能级匹配良好。与之前的掺锌氧化铟(IZO)透明电极器件相比,基于IZrO电极的钙钛矿/硅串联器件的绝对效率提高了约0.6%。采用IZrO作为前导的P-I-N型钙钛矿/硅串联太阳能电池的效率为28.28%(面积为0.5036 cm2)。
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来源期刊
Progress in Photovoltaics
Progress in Photovoltaics 工程技术-能源与燃料
CiteScore
18.10
自引率
7.50%
发文量
130
审稿时长
5.4 months
期刊介绍: Progress in Photovoltaics offers a prestigious forum for reporting advances in this rapidly developing technology, aiming to reach all interested professionals, researchers and energy policy-makers. The key criterion is that all papers submitted should report substantial “progress” in photovoltaics. Papers are encouraged that report substantial “progress” such as gains in independently certified solar cell efficiency, eligible for a new entry in the journal''s widely referenced Solar Cell Efficiency Tables. Examples of papers that will not be considered for publication are those that report development in materials without relation to data on cell performance, routine analysis, characterisation or modelling of cells or processing sequences, routine reports of system performance, improvements in electronic hardware design, or country programs, although invited papers may occasionally be solicited in these areas to capture accumulated “progress”.
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