Fig. 1.
SEM images of the surface morphology of the compact TiO$_{2}$ layers. (a) c-TiO$_{2}$ A. (b) c-TiO$_{2}$ B. (c) c-TiO$_{2}$ C.
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Xiaoyan Dai, Chengwu Shi, Yanru Zhang, Ni Wu. Hydrolysis preparation of the compact TiO2 layer using metastable TiCl4 isopropanol/water solution for inorganic-organic hybrid heterojunction perovskite solar cells[J]. Journal of Semiconductors, 2015, 36(7): 074003. doi: 10.1088/1674-4926/36/7/074003
X Y Dai, C W Shi, Y R Zhang, N Wu. Hydrolysis preparation of the compact TiO2 layer using metastable TiCl4 isopropanol/water solution for inorganic-organic hybrid heterojunction perovskite solar cells[J]. J. Semicond., 2015, 36(7): 074003. doi: 10.1088/1674-4926/36/7/074003.
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Hydrolysis preparation of the compact TiO2 layer using metastable TiCl4 isopropanol/water solution for inorganic-organic hybrid heterojunction perovskite solar cells
doi: 10.1088/1674-4926/36/7/074003
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Abstract
A hydrolysis process was applied to prepare the compact TiO2 layer using the fresh metastable TiCl4 isopropanol/water solution as the precursor solution for the preparation of the inorganic-organic hybrid heterojunction perovskite solar cells. The optimal compact TiO2 layer prepared from the aqueous solution of 2 mol· L-1 TiCl4 diluted in isopropanol at 1 : 3 by volume as precursor solution was uniform and with a film thickness of 126 nm. The corresponding perovskite solar cell gave a photovoltaic conversion efficiency of 10.61%.-
Keywords:
- compact TiO2 layer,
- TiCl4,
- hydrolysis,
- thin films,
- perovskite solar cell
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References
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] -
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