承载银改性石墨相氮化碳纳米碳纤维的制备及其光催化性能研究
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- 英文论文题名：Preparation and photocatalytic properties of silver modified graphite carbon carbon nano fibers
- 论文作者：梁海欧 ; 马腾飞 ; 白杰
- 英文论文作者：Haiou Liang ; Tengfei Ma ; J Bai ; Department of Chemistry ; Inner Mongolia University of Technology
- 年：2016
- 作者机构：内蒙古工业大学化工学院;
- 论文关键词：碳纤维 ; 氮化碳 ; 银掺杂
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第三十九分会：纳米碳材料
- 语种：中文
- 分类号：O643.36
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第三十九分会 ; 纳米碳材料
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：149k
- 原文格式：D
- 会议级别：全国
摘要
石墨相氮化碳(g-C_3N_4)因其特殊的结构而表现出很多卓越性能,使其在光催化领域备受瞩目。但由于其光生载流子寿命短,易复合而抑制了其光催化性能,通过银掺杂改性g-C_3N_4可以有效提高其光催化活性。本研究以碳纤维为载体,制备银掺杂的g-C_3N_4,具体方法如下:配制一定比例的AgNO_3-PAN/DMF纺前溶液,利用静电纺丝技术获得AgNO_3/PAN纳米纤维,并运用水合肼在冰浴条件下将其还原成Ag/PAN纳米纤维,通过高温碳化过程得到载银碳纳米纤维(Ag/CNFs),最后将Ag/CNFs和三聚氰胺置于马弗炉进行高温热聚合,得到银掺杂碳纤维载石墨相氮化碳催化剂。通过在紫外光照射下降解甲基橙考察其光催化活性。
Graphite carbon nitride(g-C_3N_4) shows a lot of excellent performances, and it is very popular in the field of photocatalytic due to its special structure.The photo-generated carriers is easy to recombine, however, the photocatalytic activity of g-C_3N_4 can be improved by doping with silver, which can effectively improve the photocatalytic degradation of organic dyes. The carbon fibers as carrier in this work and nano-silver doped g-C_3N_4 prepared through electrospinning technology, high temperature calcination technology, hydrazine hydrate reduction and thermal polymerization. The photocatalytic activity was evaluated by the catalytic degradation of methyl orange under UV irradiation.
Graphite carbon nitride(g-C_3N_4) shows a lot of excellent performances, and it is very popular in the field of photocatalytic due to its special structure.The photo-generated carriers is easy to recombine, however, the photocatalytic activity of g-C_3N_4 can be improved by doping with silver, which can effectively improve the photocatalytic degradation of organic dyes. The carbon fibers as carrier in this work and nano-silver doped g-C_3N_4 prepared through electrospinning technology, high temperature calcination technology, hydrazine hydrate reduction and thermal polymerization. The photocatalytic activity was evaluated by the catalytic degradation of methyl orange under UV irradiation.
引文
[1]Yang,Y.;Guo,Y.;Liu,F.;Yuan,X.;Guo,Y.;Zhang,S.;Guo,W.;Huo,M.Appl.Catal.B-Environ.2013,142:828.
[2]Li,Z.;Wang,J.;Zhu,K.;Ma,F.;Meng,A.Mater.Lett.2015,145:167.
[2]Li,Z.;Wang,J.;Zhu,K.;Ma,F.;Meng,A.Mater.Lett.2015,145:167.