Indium Zinc Oxide Electron Transport Layer for High-Performance Planar Perovskite Solar Cells,The Journal of Physical Chemistry C

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Indium Zinc Oxide Electron Transport Layer for High-Performance Planar Perovskite Solar Cells
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2018-12-07 , DOI: 10.1021/acs.jpcc.8b08869
Liang Wang ₁ , Fengjing Liu _{1,

2} , Xiaoyong Cai ₁ , Tingli Ma ₃ , Chao Jiang ₁

Affiliation

Besides the high-quality perovskite light absorbing layer, the electron and hole transport layers also play significant roles in achieving high-efficiency planar perovskite solar cells (PVSCs). In this study, a facile, environmentally friendly, one-step spinning coating method is employed to fabricate high-quality indium zinc oxide (IZO) electron transport layer (ETL). Improvements in charge transport, conductivity, and light transmittance of IZO ETL relative to that of TiO₂-ETL should be responsible for the large short circuit current density of PVSCs. Using this optimized IZO ETL film, a high-power conversion efficiency (PCE) of 16.25% was achieved, which resulted in an absolute efficiency gain of 2.42% compared with TiO₂-based PVSC (13.83%). A steady-state efficiency of 15.8% with negligible hysteresis was also demonstrated.

中文翻译：

高性能平面钙钛矿太阳能电池用氧化铟锌电子传输层

除了高质量的钙钛矿光吸收层之外，电子和空穴传输层在实现高效平面钙钛矿太阳能电池（PVSC）中也起着重要作用。在这项研究中，一种简便，环保的一步旋涂方法被用于制造高质量的氧化铟锌（IZO）电子传输层（ETL）。与TiO ₂ -ETL相比，IZO ETL的电荷传输，电导率和透光率的提高应归因于PVSC的大短路电流密度。使用这种优化的IZO ETL薄膜，可实现16.25％的高功率转换效率（PCE），与TiO ₂相比，绝对效率提高2.42％的PVSC（13.83％）。还证明了稳态效率为15.8％，磁滞可以忽略不计。

更新日期：2018-12-08

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