[1]袁炳楠,董 悦,郭明辉*.木材表面g-C3N4的固定及其光降解性能表征[J].南京林业大学学报(自然科学版),2018,42(01):193-197.[doi:10.3969/j.issn.1000-2006.201609011 ]
 YUAN Bingnan,DONG Yue,GUO Minghui*.Immobilized of g-C3N4 on wood surface and characterization of its photodegradation property[J].Journal of Nanjing Forestry University(Natural Science Edition),2018,42(01):193-197.[doi:10.3969/j.issn.1000-2006.201609011 ]
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木材表面g-C3N4的固定及其光降解性能表征
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
42
期数:
2018年01期
页码:
193-197
栏目:
研究简报
出版日期:
2018-01-31

文章信息/Info

Title:
Immobilized of g-C3N4 on wood surface and characterization of its photodegradation property
文章编号:
1000-2006(2018)01-0193-05
作者:
袁炳楠董 悦郭明辉*
生物质材料科学与技术教育部重点实验室,东北林业大学,黑龙江 哈尔滨 150040
Author(s):
YUAN BingnanDONG YueGUO Minghui*
Key Laboratory of Bio-based Material Science and Technology of China Ministry of Education, Northeast Forestry University, Harbin 150040, China
关键词:
木材表面 类石墨相氮化碳 功能性木材 光催化
Keywords:
Keywords:wood surface graphite-like carbon nitride(g-C3N4) function wood photodegradation
分类号:
S781
DOI:
10.3969/j.issn.1000-2006.201609011
文献标志码:
A
摘要:
【目的】类石墨相氮化碳(g-C3N4)固定于木材表面可减少木材表面有害化学涂饰材料的使用,并赋予木材表面光降解自清洁功能。【方法】通过X射线衍射分析(XRD)、傅里叶红外变换光谱分析(FT-IR)、元素分析、环境扫描电镜分析(SEM)对g-C3N4样品及固定效果进行表征。利用光化学反应仪以甲基橙(MO)为目标降解物经行光催化实验,并以紫外分光光度计对样品的光降解效率进行测量。【结果】所合成的含有氨基官能团微米级g-C3N4固体具有较好的光催化性能; 520 ℃条件下合成的g-C3N4具有最佳的光催化性能,复合后木材表面g-C3N4的光催化效率虽然低于游离的g-C3N4,但仍具有较高的效率。【结论】在实验条件下成功合成了具有较高光催化效率的微米级g-C3N4固体,并实现其在木材表面的固定,使木材初步具有了光降解自清洁功能。
Abstract:
【Objective】The graphitic carbon nitride(g-C3N4)was immobilized on wood surface to decrease the use of poisonous chemical coating material in wood surface modification and imparted self-cleaning property to wood products.【Method】The g-C3N4 samples were characterized by Fourier transform infrared spectroscopy(FT-IR),X-ray diffraction, and elemental analysis(EA). Their spectral data were consistent with previous reports.The scanning electron microscope(SEM)images showed that the wood surface was coated with g-C3N4. The modified wood surface could degrade MO under visible light.【Result】The synthesized micrometer-scale g-C3N4 with amino groups processed the highly photocatalytic activity. Especially, the g-C3N4 prepared under 520 ℃ had the best performance. Although g-C3N4 immobilized on the wood surface showed a lower photocatalytic activity than free g-C3N4 did, it retained enough efficiency.【Conclusion】We successfully synthesized the g-C3N4 with highly reactivity. The wood surface was imparted self-cleaning property by immobilizedg-C3N4 samples.

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备注/Memo

备注/Memo:
基金项目:国家林业公益性行业科研专项项目(201404506) 第一作者:袁炳楠(13766842078@163.com)。*通信作者:郭明辉(gmh1964@126.com),教授,博士。
更新日期/Last Update: 2018-03-30