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主页 旧刊 有关人员 未来大会 American Society of Thermal and Fluids Engineering

ISSN 在线: 2379-1748

ISBN 打印: 978-1-56700-517-2 (Flash drive)

5-6th Thermal and Fluids Engineering Conference (TFEC)
May, 26–28, 2021 , Virtual

Sintering Strategies for Creating 3D TiO2 Nanomaterials for Photovoltaic Applications

Get access pages 1305-1313
DOI: 10.1615/TFEC2021.sol.037252

摘要

Rod-TiO2 and spherical TiO2 nanoparticles were mixed with water to produce nanofluid. Rod TiO2 nanoparticles with high surface area in Rutile crystal phase were synthesized at 27 °C using TiCl4 in aqueous solution. The water based nanofluid consisting of Rutile rod-TiO2 and spherical Anatase TiO2 nanoparticles were deposited on Fluorine-doped tin oxide (FTO) coated glass, using the spin coating method. The deposited TiO2 nanoparticles were sintered to fuse nanoparticles, using a programmable oven. The effects of ramping rate, maximum temperature and period of maximum temperature on 3D structure characteristics of deposited TiO2 nanofluids were investigated. It was found that as maximum temperature and period of maximum temperature decrease, the crystal growth increases and consequently porosity of deposited nanoparticles increases while nanoparticles fusing to enhance electron transport property. Similarly, it was observed the porosity and crystal growth increased as the ramping rate decreased.
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