Long-term stability in perovskite solar cells through atomic layer deposition of tin oxide.

IF 44.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2024-10-11 Epub Date: 2024-10-10 DOI:10.1126/science.adq8385

Danpeng Gao, Bo Li, Qi Liu, Chunlei Zhang, Zexin Yu, Shuai Li, Jianqiu Gong, Liangchen Qian, Francesco Vanin, Kelly Schutt, Melissa A Davis, Axel F Palmstrom, Steven P Harvey, Nicholas J Long, Joseph M Luther, Xiao Cheng Zeng, Zonglong Zhu

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引用次数: 0

Abstract

Robust contact schemes that boost stability and simplify the production process are needed for perovskite solar cells (PSCs). We codeposited perovskite and hole-selective contact while protecting the perovskite to enable deposition of SnO_x/Ag without the use of a fullerene. The SnO_x, prepared through atomic layer deposition, serves as a durable inorganic electron transport layer. Tailoring the oxygen vacancy defects in the SnO_x layer led to power conversion efficiencies (PCEs) of >25%. Our devices exhibit superior stability over conventional p-i-n PSCs, successfully meeting several benchmark stability tests. They retained >95% PCE after 2000 hours of continuous operation at their maximum power point under simulated AM1.5 illumination at 65°C. Additionally, they boast a certified T₉₇ lifetime exceeding 1000 hours.

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通过氧化锡原子层沉积实现过氧化物太阳能电池的长期稳定性。

过氧化物太阳能电池（PSC）需要既能提高稳定性又能简化生产工艺的可靠接触方案。我们在保护包晶的同时共沉积了包晶和空穴选择性接触，从而在不使用富勒烯的情况下实现了氧化锡/银的沉积。通过原子层沉积制备的氧化锡可作为持久的无机电子传输层。调整氧化锡层中的氧空位缺陷可使功率转换效率（PCE）大于 25%。与传统的 pi-n PSC 相比，我们的器件具有更高的稳定性，成功通过了多项基准稳定性测试。在 65°C 的模拟 AM1.5 照明条件下，器件在最大功率点连续工作 2000 小时后，PCE 仍保持在 95% 以上。此外，它们经认证的 T97 寿命超过 1000 小时。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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