Fabrication of perovskite solar cells with ZnO nanostructures prepared on seedless ITO substrate
Fabrication of perovskite solar cells with ZnO nanostructures prepared on seedless ITO substrate
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DOI：
10.1007/s10854-018-9518-x
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发表时间：
2018-06
期刊：
影响因子：
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通讯作者：
Md. Faruk Hossain;Md. Faruk Hossain;S. Naka;H. Okada
中科院分区：
文献类型：
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作者：
Md. Faruk Hossain;Md. Faruk Hossain;S. Naka;H. Okada
采用一种廉价的无覆盖水热法在无籽晶SnO 2：In（ITO）衬底上制备了ZnO纳米薄膜。这些制备的ZnO薄膜被用作电子传输材料，以制造钙钛矿太阳能电池（PeSC）。PeSC的性能随着ZnO沉积温度的变化而变化，范围为55至105 °C。ZnO薄膜具有高度结晶的纤锌矿结构。在较高的沉积温度下制备的ZnO薄膜的整个表面覆盖着六方纳米棒/纳米管结构。在85 °C下制备的ZnO薄膜的PeSC的最大效率为4.55%。随着ZnO沉积温度从55 °C增加到105 °C，光电流从8.5 mA/cm 2增加到13.9 mA/cm 2。在95和105 °C下制备的具有ZnO膜的PeSC显示出比具有ZnO-85 °C的PeSC更低的效率，这可能是由于PeSC中的大的串联和并联电阻以及载流子泄漏造成的。在不同沉积温度下制备的ZnO电极的表面形态、结构和光学性质与由这些ZnO电极制备的PeSC的光伏性能相关。
The nanostructured ZnO thin films have been fabricated on seedless SnO2: In (ITO) substrate by using an inexpensive and uncovered hydrothermal method. These prepared ZnO films are used as electron transporting materials to fabricate the perovskite solar cells (PeSCs). The performance of PeSC has been varied with ZnO-deposition temperatures ranges from 55 to 105 °C. The ZnO films show the high crystalline wurtzite structure. The whole surface of ZnO films fabricated at the higher deposition temperatures has covered with the hexagonal nanorods/nanotubes-like structures. The maximum efficiency of 4.55% is obtained for PeSC with ZnO films prepared at 85 °C. The photocurrent increases from 8.5 to 13.9 mA/cm2with the ZnO-deposition temperature increases from 55 to 105 °C. The PeSC with ZnO films prepared at 95 and 105 °C shows the lower efficiency than the PeSC with ZnO-85 °C, which may be caused due to the large series and shunt resistance as well as the carrier leakage in PeSCs. The surface morphological, structural, and optical properties of ZnO electrodes fabricated at various deposition temperatures have been correlated with the photovoltaic performances of PeSC prepared by these ZnO electrodes.