Boron-doped rutile TiO2/ anatase TiO2/ ZrTiO4 ternary heterojunction photocatalyst with optimized phase interface and band structure
Boron-doped rutile TiO2/ anatase TiO2/ ZrTiO4 ternary heterojunction photocatalyst with optimized phase interface and band structure
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优化相界面和能带结构的硼掺杂金红石TiO2/锐钛矿TiO2/ZrTiO4三元异质结光催化剂
DOI：
10.1016/j.ceramint.2020.05.152
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发表时间：
2020-09
影响因子：
5.2
通讯作者：
Hou Xianghui
中科院分区：
文献类型：
--
作者：
Liu Changqing;Li Xu;Xu Chenggang;Wu Yuanting;Hu Xuefeng;Hou Xianghui
为了提高TiO2基异质结构的光催化性能，通过简单的一步煅烧策略设计并制备了Z型/Ⅱ型金红石TiO2(R)/锐钛矿TiO2(A)/ZrTiO4三元异质结光催化剂。通过硼掺杂调节TiO2(A,R)/ZrTiO4结构中R-TiO2/A-TiO2质量比来控制和优化材料的相界面和能带结构。即使在五个测试周期后，R-TiO2/A-TiO2质量比低至0.066的异质结仍具有最高的光催化性能和优异的罗丹明B去除催化稳定性，伴随着低光致发光强度和电化学阻抗、高光电流和载流子密度（5.12×1022cm−3）以及价带位置正移（从+2.06到+2.16eV）。光降解行为的增加是由于高含量的氧空位和形成的锐钛矿TiO2/金红石TiO2Z型异质结导致光生载流子的分离效率显着增强和氧化还原能力提高。
To improve the photocatalytic performance of TiO2-based heterostructures, Z-scheme/Ⅱ-type rutile TiO2(R)/anatase TiO2(A)/ZrTiO4ternary heterojunction photocatalyst was designed and prepared via a facile one-step calcining strategy. Phase interface and band structure of the materials were controlled and optimized by regulating R–TiO2/A–TiO2mass ratio in the TiO2(A, R)/ZrTiO4structures using boron doping. The highest photocatalytic performance and excellent catalytic stability of Rhodamine B removal was observed from the heterojunction with a low R–TiO2/A–TiO2mass ratio of 0.066, even after five testing cycles, accompanying with low photoluminescence intensity and electrochemical impedance, high photocurrent and charge carrier density (5.12 × 1022cm−3), and a positive shift of valence band position (from +2.06 to + 2.16 eV). The increased photodegradation behaviour was due to the remarkably enhanced separation efficiency and improved redox ability of the photo-induced charge carriers as a result of the high content of oxygen vacancies and the formed anatase TiO2/rutile TiO2Z-scheme heterojunction.
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影响因子：
5.3
作者：
Xuhui Feng;Fuping Pan;Brandon Z. Tran;Ying Li
通讯作者：
Xuhui Feng;Fuping Pan;Brandon Z. Tran;Ying Li
锐钛矿型TiO2/ZnO纳米棒复合薄膜石英晶体微天平优越的耐环境性能
影响因子：
6.7
作者：
Wei Qiang;Li Wei;Wang Shaodan;Bai Yu
通讯作者：
Bai Yu
影响因子：
8.4
作者：
An, Xiaoqiang;Li, Kimfung;Tang, Junwang
通讯作者：
Tang, Junwang
影响因子：
6.7
作者：
Yilin Zhao;Chen Tao;Gang Xiao;Guipeng Wei;Linghui Li;Changxia Liu;Haijia Su
通讯作者：
Yilin Zhao;Chen Tao;Gang Xiao;Guipeng Wei;Linghui Li;Changxia Liu;Haijia Su
DOI：
10.1016/j.apcatb.2019.04.088
发表时间：
2019-10
期刊：
Applied Catalysis B: Environmental
影响因子：
--
作者：
Jiajie Yu;Tianhe Wang;S. Rtimi
通讯作者：
Jiajie Yu;Tianhe Wang;S. Rtimi