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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 797-800 |
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Amrollahi Bioki H, Moshaii A, Borhani Zarandi M. Optical Properties of porous Cr-doped TiO2 Based on Metal-Organic Frameworks as an Electron Transport Layer in Perovskite Solar Cells. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :797-800
URL: http://opsi.ir/article-1-2482-en.html
URL: http://opsi.ir/article-1-2482-en.html
1- Department of Physics, Tarbiat Modares University, Tehran
2- Department of Physics, Yazd University, Yazd
2- Department of Physics, Yazd University, Yazd
Abstract: (1013 Views)
In this study, Chromium metal organic framework (Cr-MOF) nanosphere crystals with homogenous morphology was synthesized using a solvo-thermal method as an organic framework to form the porous Cr-doped TiO2 for electron transport layer in perovskite solar cells. By thermally decomposing the Cr-doped TiO2 paste in air, the framework template was removed, and porous Cr-doped TiO2 was obtained. The results of optical properties of crystal structure of porous Cr-doped TiO2 layer showed that doping with Cr remarkably improved the absorption ability of Cr-TiO2 layer toward the Uv-Vis region with band gap energy of 2.75 eV. The photoluminescence spectroscopy was conducted to illustrate the improvement of electron transfer in the doped material further. The power conversion efficiency of solar cells using Cr-doped TiO2 was found to improve in comparing that of solar cells using commercial mp-TiO2.
Keywords: Enhancing photovoltaic performance, Nanostructure metal-organic frameworks, Perovskite, Solar cells, Surface modification
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