Enhancing photocatalytic CO2 reduction performance of In(OH)3 via bismuth isomorphic substitution

被引：6
作者：
Liu, Cong [1 ]
Zhu, Qibin [1 ]
Zhu, Zhonghui [1 ]
Sun, Chen [1 ]
Xuan, Yimin [1 ,2 ]
Zhang, Kai [1 ,2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Sch Energy & Power Engn, Nanjing 210016, Peoples R China
[2] Key Lab Thermal Management & Energy Utilizat Airc, Nanjing 210016, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2022年 / 311卷
基金：
中国国家自然科学基金;
关键词：
CO2; photoreduction; In(OH)(3); Bi3+ doped; Isomorphic substitution; DOPED IN(OH)(3); CATALYST; G-C3N4; WATER; TIO2; HETEROSTRUCTURES; METHANE; ZNS; MO;
D O I：
10.1016/j.jssc.2022.123141
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Foreigner element doping is one of effective strategies to promote photocatalytic reaction. Herein, a convenient one-step solvothermal method is applied to enable the isomorphic substitution of In3+ in In(OH)(3) by Bi3+. The composition and microstructure of the photocatalysts were mainly obtained by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). UV-Vis diffuse reflectance and photoluminescence (PL) spectroscopy revealed the optical properties of photocatalysts. The surface properties of photocatalysts were mainly characterized by X-ray photoelectron spectroscopy (XPS). Theoretical calculations were used to reveal the reaction mechanism. The results indicated that CO production rate and selectivity of Bi3+ doped In(OH)(3) are much higher than that of the pure In(OH)(3), which could be attributed to the extended solar spectral response, the enhanced CO2 adsorption capacity and the accelerated photogenerated carriers separation. The current work verifies the potential application of isomorphic substitution as an efficient route for solar fuel production.
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页数：8
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