Synthesis and characterization of microwave-assisted TiO2 nanoparticles for dye -sensitized solar cell application

被引：0

作者：

Arun, Priyanka ^{[1
]}

Raguram, T. ^{[1
]}

Menon, P. Malavika ^{[1
]}

Sajna, P. J. ^{[1
]}

Rajni, K. S. ^{[1
]}

机构：

[1] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Sci, Coimbatore, Tamil Nadu, India

来源：

OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2020年 / 14卷 / 9-10期

关键词：

DSSC; TiO2; Microwave; XRD; Optical; J-V; TITANIUM-DIOXIDE; LATTICE STRAIN; NANOCRYSTALS; TEMPERATURE; ACID;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work, microwave-assisted TiO2 nanoparticles are prepared by varying the pH (3, 5 and 7) of the precursor solution. XRD results show a mixture of anatase and rutile phases. Microstructural analysis calculated for the peak (110)r shows the crystallite size of 7 to 11 nm. From UV-DRS studies, a strong absorption is found at 415 nm and it is blue-shifted when the pH is increased from 3 to 7 and bandgap varies from 4.2 to 3.0 eV. From FTIR spectral analysis, the bending vibrations of Ti-O and Ti-O-Ti are confirmed. PL spectrum shows excitonic emission band and O-2(-) vacancies at 440, 467, 532 and 542 nm. DSSC is fabricated with Eosin Blue as the sensitizer and TiO2 working electrode, the efficiency is found to be 1.60%.

引用

页码：445 / 451

页数：7

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