Microwave Assisted Preparation of Barium Doped Titania (Ba/TiO2) as Photoanode in Dye Sensitized Solar Cells

被引：6

作者：

Ahmad, Awais ^{[1
]}

Khan, Safia ^{[2
]}

Khan, Mariam ^{[3
]}

Luque, Rafael ^{[1
]}

Jalalah, Mohammed ^{[4
,5
]}

Alsaiari, Mabkhoot A. ^{[4
,6
]}

机构：

[1] Univ Cordoba, Dept Quim Organ, Edificio Marie Curie C-3,Ctra Nnal 4-A,Km 396, E-14014 Cordoba 396, Spain

[2] Quaid I Azam Univ, Dept Chem, Islamabad 43520, Pakistan

[3] Natl Univ Technol, Sch Appl Sci & Humanity NUSASH, Islamabad 44000, Pakistan

[4] Najran Univ, Promising Ctr Sensors & Elect Devices PCSED, Adv Mat & Nanores Ctr, Najran 11001, Saudi Arabia

[5] Najran Univ, Fac Engn, Dept Elect Engn, Najran 11001, Saudi Arabia

[6] Najran Univ, Coll Sci & Art Sharurah, Dept Chem, Empty Quarter Res Unit, Najran 11001, Saudi Arabia

来源：

APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 18期

关键词：

photoanode; dye-sensitized solar cell; nanoparticles; microwave synthesis; PHOTOCATALYTIC PERFORMANCE; CATALYTIC PERFORMANCE; TIO2; PHOTOCATALYST; BAND-GAP; CO; PHOTODEGRADATION; ENHANCEMENT; TEMPERATURE; ABSORPTION; OXIDATION;

D O I：

10.3390/app12189280

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pure TiO2 and barium (0.5 wt%) doped TiO2 (Ba/TiO2) nanostructures have been synthesized via facile microwave irradiation method. The pure anatase phase of synthesized photoactive material was confirmed by X-ray diffraction. Ba doping in the TiO2 host structure influenced the optical band gap as confirmed by UV-visible spectroscopy. The optical band gap increased from 3.21 eV for the TiO2 to 3.26 eV for Ba/TiO2. Morphological analysis of synthesized TiO2 and Ba/TiO2 was conducted using scanning electron microscopy. Energy dispersive X-ray spectroscopy confirmed the formation of Ba/TiO2 and no impurities were observed. Electrochemical impedance spectroscopy showed that the charge transfer resistance increased for Ba/TiO2, which reduced dark current creation in a dye-sensitized solar cell. The highest power conversion efficiency (3.24%) was achieved for Ba/TiO2 photoanode compared to 2.1% for a pure TiO2 photoanode-based device.

引用

页数：11

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