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有人能幫忙查詢這篇論文是否EI已經(jīng)收錄了呢？今年7月見(jiàn)刊，但是學(xué)校這邊查不到。跪求~~~~ 111.jpg |
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恭喜 已經(jīng)檢索 Accession number: 20153501211888 Title: Experimental and theoretical studies on photocatalytic activity of N-doped TiO<inf>2</inf> with different concentration Authors: Tang, Bo-Ming1 ; Liu, Xiao-Feng1 ; Cao, Xue-Juan1; He, Li-Hong1 Author affiliation: 1School of Civil Engineering, Chongqing Jiaotong University, Chongqing, China Corresponding author: Liu, Xiao-Feng Source title: Rengong Jingti Xuebao/Journal of Synthetic Crystals Abbreviated source title: Rengong Jingti Xuebao Volume: 44 Issue: 7 Issue date: July 1, 2015 Publication year: 2015 Pages: 1885-1889 and 1896 Language: Chinese ISSN: 1000985X CODEN: RJXUEN Document type: Journal article (JA) Publisher: Chinese Ceramic Society Abstract: The different concentration N-doped TiO<inf>2</inf> powders were synthesized by mechano-chemical method, using urea as nitrogen source. The crystallization property of N-TiO<inf>2</inf> samples were characterized by X-ray diffraction (XRD), and its photocatalytic activity was evaluated by methylene blue photodegradation. Furthermore, based on the first-principle, the energy band structure of different concentration N-doped TiO<inf>2</inf> powders were analyzed. The experiment results indicate that all of the crystal type of N-doped TiO<inf>2</inf> samples are anatase, which have well crystallization and possess similar size; the TiO<inf>2</inf> doped with 2wt% N presents the highest degradation efficiency in methylene blue photodegradation. Theoretical analysis indicates that impurity levels are introduced to the top of the valence band because nitrogen atoms substituted oxygen, and the optical absorption threshold wavelength exhibites a red shift. As the N concentration increasing, the band gap narrows, and the valence band width increases first, then decreases, which demonstrats the existence of peak photocatalytic activity of N-doped TiO<inf>2</inf>. The theoretical analysis is in accordance with the experiment result. ©, 2015, Chinese Ceramic Society. All right reserved. Number of references: 12 Main heading: Doping (additives) Controlled terms: Aromatic compounds - Band structure - Crystal impurities - Degradation - Electromagnetic wave absorption - Energy gap - Light absorption - Nitrogen - Organic polymers - Photocatalysis - Photodegradation - Powders - Titanium dioxide - Urea - Valence bands - X ray diffraction Uncontrolled terms: Crystallization properties - Degradation efficiency - First principles - Mechano-chemical methods - N-Doping - Photocatalytic activities - Theoretical study - Threshold wavelengths Classification code: 711 Electromagnetic Waves - 741.1 Light/Optics - 801 Chemistry - 802.2 Chemical Reactions - 804 Chemical Products Generally - 815.1.1 Organic Polymers - 931.3 Atomic and Molecular Physics - 933 Solid State Physics Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |
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