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[1]孙卫华,陆春华,寇佳慧,等.富碳类石墨相氮化碳的制备及光催化性能[J].南京工业大学学报(自然科学版),2017,39(02):1-5.[doi:10.3969/j.issn.1671-7627.2017.02.001]
 SUN Weihua,LU Chunhua,KOU Jiahui,et al.Construction of carbon-rich g-C3N4 and its photocatalytic performance[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(02):1-5.[doi:10.3969/j.issn.1671-7627.2017.02.001]
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富碳类石墨相氮化碳的制备及光催化性能()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年02期
页码:
1-5
栏目:
出版日期:
2017-03-20

文章信息/Info

Title:
Construction of carbon-rich g-C3N4 and its photocatalytic performance
文章编号:
1671-7627(2017)02-0001-05
作者:
孙卫华陆春华寇佳慧倪亚茹许仲梓
南京工业大学 材料科学与工程学院,江苏 南京 210009
Author(s):
SUN WeihuaLU ChunhuaKOU JiahuiNI YaruXU Zhongzi
College of Materials Science and Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
光催化 类石墨相氮化碳 丙三醇 碳化
Keywords:
photocatalyst g-C3N4 glycerol carbonization
分类号:
TB33
DOI:
10.3969/j.issn.1671-7627.2017.02.001
文献标志码:
A
摘要:
丙三醇与三聚氰胺的混合物通过热聚合法制得富碳类石墨相氮化碳(g-C3N4),着重研究丙三醇加入量对样品光催化性能的影响。采用X线衍射仪(XRD)、傅里叶红外光谱仪(FT-IR)、透射电子显微镜(TEM)分析样品的晶体结构、化学组成和形貌,紫外-可见分光光度计(UV-Vis)测定样品的光谱吸收性能,荧光光谱仪(PL)测试样品的荧光性能。结果表明:三聚氰胺缩聚形成g-C3N4,丙三醇碳化形成的无定形碳负载于g-C3N4表面。无定形碳的引入可以有效促进g-C3N4的可见光吸收,丙三醇的最佳加入量为0.2%(质量分数),此富碳g-C3N4样品可在200 min内降解90%的RhB,是纯g-C3N4降解量的1.4倍。样品具有较好的稳定性,4次循环实验后依然保持92%以上的反应活性。
Abstract:
Carbon-rich g-C3N4 was obtained by heating the mixture of melamine and glycerol.The photocatalytic performance of the samples was regulated by the amount of glycerol.The crystal structure,chemical composition,and morphology were analyzed by X-ray diffraction(XRD),Fourier transform infrared spectroscopy(FT-IR),and transmission electron microscope(TEM).Ultraviolet-visible spectrophotometer(UV-Vis)and photoluminescence spectroscopy(PL)were employed to confirm the optical properties of the samples.A morphous carbon was derived from the carbonization of glycerolduring the condensation of melamine.The introduction of carbon could promote the visible light absorption of the photocatalysts,which was favorable for the enhancement of photocatalytic activity.The optimum amount of glycerol was 0.2%(mass fraction).90% of rhodamine B(RhB)could be degraded by 0.2%carbon-rich g-C3N4 in 200 min,which was 1.4 times of pure g-C3N4.The repeated experiments demonstrated that the photocatalytic activity of 0.2% carbon-rich g-C3N4 had well stability.The photocatalytic performance could be maintained as high as 92% after 4 cycles.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-12-04
基金项目:国家自然科学基金(51303079); 江苏省高校自然科学研究重大项目(10KJA430016); 江苏省自然科学基金(BK20141459)
作者简介:孙卫华(1991—),男,江苏徐州人,硕士,主要研究方向为光催化材料; 寇佳慧(联系人),副教授,E-mail:jhkou@njtech.edu.cn; 倪亚茹(联系人),副教授,E-mail:nyr@njtech.edu.cn.
引用本文:孙卫华,陆春华,寇佳慧,等.富碳类石墨相氮化碳的制备及光催化性能[J].南京工业大学学报(自然科学版),2017,39(2):1-5..
更新日期/Last Update: 2017-03-20