Synthesis of barbituric acid doped carbon nitride for efficient solar-driven photocatalytic degradation of aniline
Li, Lin; Meng QG(孟庆国); Lv HQ(吕海钦); Shui, Lingling; Zhang, Yongguang; Zhang, Zhang; Chen ZH(陈志鸿); Yuan MZ(苑明哲); Nötzel, Richard; Wang, Xin; Liu, Jun-Ming; Zhou, Guofu
作者部门广州中国科学院沈阳自动化研究所分所
关键词Carbon Nitride Copolymerizing Barbituric Acid Photodegradation Aniline
发表期刊Applied Surface Science
ISSN0169-4332
2018
卷号428页码:739-747
收录类别SCI ; EI
EI收录号20174004240540
WOS记录号WOS:000415227000092
产权排序2
资助机构NSFC ; National Key R&D Program of China ; Guangdong Provincial Grant ; Guangdong Provincial Science and Technology Project ; Pearl River S&T Nova Program of Guangzhou ; Chinese Academy Sciences ; Guangzhou Post-doctoral Initial Funding ; National 111 Project, Nansha Science and Technology Project
摘要A series of barbituric acid doped carbon nitride (CN-BA) photocatalysts were successfully prepared by copolymerizing dicyandiamide with barbituric acid (BA). Under AM1.5 simulated sunlight, CN-BA photocatalysts exhibit enhanced photocatalytic activity compared to pure carbon nitride for the degradation of aniline. The highest activity is obtained with 2% doped CN-BA photocatalyst. Results on the photodegradation of aniline indicate that for the optimized CN-BA photocatalyst, the concentration of aniline solution was reduced gradually from 16 mg/L to 1.354 mg/L in 2 h. This corresponds to a 6 times higher photodegradation efficiency than pure carbon nitride samples. The enhanced photocatalytic activity of CN-BA relies on the enhanced surface area, the higher light absorption and the reduced recombination of the photo-generated electron-hole pairs. This interpretation results from multiple characterizations with EPR, BET, N2adsorption, Solid-state13C NMR, UV–vis DRS, FESEM, and TEM. Under simulated sunlight irradiation, CN-BA is excited and generates electron-hole pairs. The photo-generated electrons in the CN-BA conduction band react with the molecular oxygen to form [rad]O2−. Part of the [rad]O2−transforms into [rad]OH, which further oxides aniline. Meanwhile, photo-generated holes in the valence band of CN-BA can benefit to the formation of [rad]OH or directly oxide aniline.
语种英语
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
关键词[WOS]VISIBLE-LIGHT IRRADIATION ; HYDROGEN-PRODUCTION ; OXIDATION ; WATER ; GENERATION ; EVOLUTION ; REMOVAL ; FENTON ; OXYGEN
WOS研究方向Chemistry ; Materials Science ; Physics
资助项目NSFC[51602111] ; National Key R&D Program of China[2016YFB0401502] ; Guangdong Provincial Grant[2015A030310196] ; Guangdong Provincial Grant[2014B090915005] ; Guangdong Provincial Science and Technology Project[2017A050506009] ; Pearl River S&T Nova Program of Guangzhou[201506040045] ; Chinese Academy Sciences ; Guangzhou Post-doctoral Initial Funding ; National 111 Project, Nansha Science and Technology Project[2016GJ005]
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21086
专题广州中国科学院沈阳自动化研究所分所
通讯作者Chen ZH(陈志鸿); Wang, Xin
作者单位1.Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, Guangdong Province, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Guangzhou, 511458, China
3.International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangdong Province, China
4.Institute of Advanced Materials, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, Guangdong Province, China
5.Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, China
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GB/T 7714
Li, Lin,Meng QG,Lv HQ,et al. Synthesis of barbituric acid doped carbon nitride for efficient solar-driven photocatalytic degradation of aniline[J]. Applied Surface Science,2018,428:739-747.
APA Li, Lin.,Meng QG.,Lv HQ.,Shui, Lingling.,Zhang, Yongguang.,...&Zhou, Guofu.(2018).Synthesis of barbituric acid doped carbon nitride for efficient solar-driven photocatalytic degradation of aniline.Applied Surface Science,428,739-747.
MLA Li, Lin,et al."Synthesis of barbituric acid doped carbon nitride for efficient solar-driven photocatalytic degradation of aniline".Applied Surface Science 428(2018):739-747.
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