Sol-Gel Process Synthesis and Visible-Light Photocatalytic Degradation Performance of Ag Doped K2Ti4O9

被引：1

作者：

Ji Xiaoli ^{[1
]}

Wu Shijiang ^{[1
]}

Shen Jie ^{[1
]}

Zhao Xiujian ^{[2
]}

机构：

[1] Wuhan Univ Technol, Sch Mat Sci & Engn, 122 Luoshi Rd, Wuhan 430070, Peoples R China

[2] Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R China

来源：

INTEGRATED FERROELECTRICS | 2015年 / 161卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Photocatalytic; potassium titanate; Ag ion doping; methylene blue; FIBROUS TITANIA;

D O I：

10.1080/10584587.2015.1035607

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

K2Ti4O9 and Ag-K2Ti4O9 were synthesized by using Ti(OC4H9)(4) and KNO3 as precursor via Sol-Gel process. The influences of silver ion doping on structure, absorbance performance and catalytic performance of K2Ti4O9 have been studied. The results suggested that the structure of K2Ti4O9 doped with Ag+ remained unchanged, but its absorbance performance under visible light improved, resulting in its increased photocatalytic activity. Moreover, photocatalytic activity of K2Ti4O9 doped with 0.5 mol%Ag-1 is the best when pH value was 7 with 1.5 g/L fed catalyst and 10ml/L MB as well as illumination time of 2h, which can obtain the photocatalytic efficiency of 78.43% in the visible light.

引用

页码：62 / 69

页数：8

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