Blue TiO2 polymorph: An efficient material for dye-sensitized solar cells fabricated using a low-temperature sintering process
Blue TiO2 polymorph: An efficient material for dye-sensitized solar cells fabricated using a low-temperature sintering process作者机构：Department of Environmental and Bio-chemical Engineering Sun Moon University Division of Basic Engineering Sun Moon University Division of Mechanics and ICT Convergence Engineering Sun Moon University
出 版 物：《Progress in Natural Science:Materials International》 (自然科学进展·国际材料(英文))
年 卷 期：2018年第28卷第5期
页 面：548-553页
核心收录：
学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）]
基 金：supported by the Global Research Laboratory Program of the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (MEST) of Korea (Grant number: 2010-00339)
主 题：Surface-disordered TiO2 Blue TiO2 Dye-sensitized solar cell(DSSC) Oxygen vacancy Efficiency
摘 要：Recently,surface-disordered or non-stoichiometric TiO2,such as blue TiO2(B-TiO2),has received much attention owing to its unique properties,such as structural disorder near the surface and the existence of Ti3+ions and oxygen ***,surface-disordered TiO2has been applied for microwave absorption,photocatalysis,in photoelectrochemical sensors and rechargeable lithium-ion *** this work B-TiO2,a polymorph consisting of nanoparticles,nanotubes and nanosheets,was successfully synthesized and employed as a semiconductor layer in dye-sensitized solar cells(DSSCs)fabricated using a low-temperature heat treatment process(120°C).Based on the analyses of the experimental results regarding the structure and those from the characterization of B-TiO2,and its application to DSSCs,it has been found that the B-TiO2material has an effect on electron-hole pair *** conversion efficiency of the B-TiO2DSSC(BTiO2-DSSC)was 6.18%,whereas that of the TiO2-P25 DSSC(P25-DSSC)was 3.61%,and that of the TiO2polymorph DSSC(PTiO2-DSSC)which is the precursor of B-TiO2was 4.51%.
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