Enhancement and stabilization of isolated hydroxyl groups via the construction of coordinatively unsaturated sites on surface and subsurface of hydrogenated TiO2 nanotube arrays for photocatalytic complete mineralization of toluene
文献类型：期刊论文
| 作者 | Cheng, Qin1; Wang, Azhu1; Song, Zhimin1; Bao, Jun2; Xue, Jiawei3; Wei, Yuxue1; Li, Shikuo1; Lv, Lingling1; Ding, Jianjun4; Cai, Mengdie1 |
| 刊名 | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
 |
| 出版日期 | 2021-04-01 |
| 卷号 | 9 |
| 关键词 | Toluene In-situ DRIFTS Hydroxyl groups Mineralization Hydrogenated TiO2 |
| DOI | 10.1016/j.jece.2021.105080 |
| 通讯作者 | Li, Shikuo(lishikuo@ahu.edu.cn) ; Sun, Song(suns@ustc.edu.cn) |
| 英文摘要 | Hydroxyl groups on the photocatalyst surface provide adsorption sites and starting species to form hydroxyl radicals, and are thus considered as the most important species for the photocatalytic degradation of toluene. However, the complete mineralization of toluene over TiO2 photocatalysts is still challenging because of insufficient and unstable hydroxyl groups. Here, a hydrogenated TiO2 nanotube array mesh (H-TiO2) was fabricated. H-TiO2 capable of trapping light and serving high surface areas for active sites exhibited a toluene mineralization conversion of 100%. It was found that surface distortion and oxygen vacancies ensured the chemical dissociative adsorption of water to generate sufficient isolated hydroxyls on the surface and subsurface and benefited the regeneration in long-term operations. This study may provide an efficient TiO2-based photo catalyst for the removal of volatile organic compounds for air purification and give comprehensive understandings of the photocatalyst surface modification and theoretical guidance for designing hydroxyl demanding photocatalysts. |
| 资助项目 | National Key Research and Development Program of China[2016YFB0700205] ; National Natural Science Foundation of China[U1632273] ; National Natural Science Foundation of China[U1832165] ; National Natural Science Foundation of China[21902001] ; Foundation from Key Laboratory of Photovoltaic and Energy Conservation, CAS[PECL2018KF012] ; Anhui Provincial Natural Science Foundation[2008085QB85] ; Key Research and Development Program of Anhui Provincial[202004a05020015] ; Key Research and Development Program of Anhui Provincial[006233172019] ; Higher Education Natural Science Foundation of Anhui Province[K120433040] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCI LTD |
| WOS记录号 | WOS:000624489500002 |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Foundation from Key Laboratory of Photovoltaic and Energy Conservation, CAS ; Anhui Provincial Natural Science Foundation ; Key Research and Development Program of Anhui Provincial ; Higher Education Natural Science Foundation of Anhui Province |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/121176]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Li, Shikuo; Sun, Song |
| 作者单位 | 1.Anhui Univ, Sch Chem & Chem Engn, Hefei 230601, Anhui, Peoples R China 2.Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China 3.Osaka Univ, Inst Sci & Ind Res SANKEN, Mihogaoka 8-1, Osaka, Ibaraki 5670047, Japan 4.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Hefei 230031, Peoples R China 5.Chinese Acad Sci, Key Lab Photovolta & Energy Conversat Mat, Inst Plasma Phys, Hefei Inst Phys Sci, Hefei 230031, Peoples R China 6.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 101408, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Qin,Wang, Azhu,Song, Zhimin,et al. Enhancement and stabilization of isolated hydroxyl groups via the construction of coordinatively unsaturated sites on surface and subsurface of hydrogenated TiO2 nanotube arrays for photocatalytic complete mineralization of toluene[J]. JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,2021,9. |
| APA | Cheng, Qin.,Wang, Azhu.,Song, Zhimin.,Bao, Jun.,Xue, Jiawei.,...&Sun, Song.(2021).Enhancement and stabilization of isolated hydroxyl groups via the construction of coordinatively unsaturated sites on surface and subsurface of hydrogenated TiO2 nanotube arrays for photocatalytic complete mineralization of toluene.JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING,9. |
| MLA | Cheng, Qin,et al."Enhancement and stabilization of isolated hydroxyl groups via the construction of coordinatively unsaturated sites on surface and subsurface of hydrogenated TiO2 nanotube arrays for photocatalytic complete mineralization of toluene".JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 9(2021). |
入库方式： OAI收割
来源：合肥物质科学研究院
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