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可见光照射下地面Rh-Sb共掺杂SrTiO对气态乙醛的高效光催化降解

Efficient photocatalytic degradation of gaseous acetaldehyde over ground Rh-Sb co-doped SrTiO under visible light irradiation.

作者信息

Yamaguchi Yuichi, Usuki Sho, Yamatoya Kenji, Suzuki Norihiro, Katsumata Ken-Ichi, Terashima Chiaki, Fujishima Akira, Kudo Akihiko, Nakata Kazuya

机构信息

Research Institute for Science and Technology, Photocatalysis International Research Center, Tokyo University of Science 2641 Yamazaki Noda Chiba 278-0022 Japan

Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science 2641 Yamazaki Noda Chiba 278-0022 Japan.

出版信息

RSC Adv. 2018 Jan 31;8(10):5331-5337. doi: 10.1039/c7ra11337d. eCollection 2018 Jan 29.

DOI:10.1039/c7ra11337d
PMID:35542434
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9078108/
Abstract

A visible-light-responsive Rh-Sb co-doped SrTiO photocatalyst (STO:Rh,Sb) a solid-state reaction was successfully developed, following pulverization by using ball-milling. The prepared STO:Rh,Sb exhibited a large surface area and showed efficient photocatalytic degradation of acetaldehyde. The photocatalytic activity of STO:Rh,Sb ground for 60 min exceeded that of STO:Rh ground for 60 min (photocatalyst doped without antimony), indicating that doped antimony plays an important role in suppressing the Rh, which works as a recombination center, in STO:Rh,Sb. Furthermore, the photocatalytic performance of STO:Rh,Sb ground for 60 min was sustained over 3 cycles, confirming the chemical stability of the photocatalyst. Therefore, ground STO:Rh,Sb has the potential to be applied to environmental remediation under visible light irradiation.

摘要

通过球磨粉碎，成功开发了一种可见光响应的Rh-Sb共掺杂SrTiO光催化剂（STO:Rh,Sb）的固态反应。制备的STO:Rh,Sb具有较大的表面积，并表现出对乙醛的高效光催化降解性能。研磨60分钟的STO:Rh,Sb的光催化活性超过了研磨60分钟的STO:Rh（未掺杂锑的光催化剂），这表明掺杂的锑在抑制作为复合中心的Rh方面发挥了重要作用，在STO:Rh,Sb中。此外，研磨60分钟的STO:Rh,Sb的光催化性能在3个循环中得以保持，证实了光催化剂的化学稳定性。因此，研磨后的STO:Rh,Sb有潜力应用于可见光照射下的环境修复。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a195/9078108/135f10a5513b/c7ra11337d-f7.jpg
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