水热法制备氧化石墨烯负载TiO_2的研究
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摘要
通过水热反应采用氧化石墨烯和TiCl3溶液制备TiO_2/石墨烯复合材料。实验研究了反应时间、反应温度对产率的影响。采用红外光谱、X射线衍射、拉曼光谱、紫外-可见分光光度计、扫描电子显微镜、热重分析法等手段对TiO_2/氧化石墨烯复合材料的微观结构进行分析。结果表明:利用氧化石墨烯的氧化性与三氯化钛溶液制备出氧化石墨烯负载TiO_2的复合材料,复合材料具有良好的热稳定性和优良的光学性能。
Composite(GO/TiO_2)was prepared with graphene oxide and TiCl_3 solution by hydrothermal reaction.The time and temperature of reaction were determined through yield.The sample was analyzed by FT-IR spectroscopy,XRD,Ramans,UV-Vis,SEM and TGA.The results showed that it was prepared by oxidation of graphene oxide and titanium trichloride solution system,This(GO/TiO_2)composite materials had good thermal stability.
Composite(GO/TiO_2)was prepared with graphene oxide and TiCl_3 solution by hydrothermal reaction.The time and temperature of reaction were determined through yield.The sample was analyzed by FT-IR spectroscopy,XRD,Ramans,UV-Vis,SEM and TGA.The results showed that it was prepared by oxidation of graphene oxide and titanium trichloride solution system,This(GO/TiO_2)composite materials had good thermal stability.
引文
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[3]Shao Y,Xu K,Chen Q L,et al.Photocatalytical degradation over TiO2nanotubes[J].Chinese Journal of Applied Chemistry,2003,20(5):433-436.
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[5]Zhao W R,Xi H P,Liao Q W.Cu-doped titania nanotubes for visible-light photocatalytic mineralization of toluene[J].Acta Physico-Chimica Sinica,2013,29(10):2232-2238.
[6]Long M,Cong,Li X K,et al.Hydrothermal synthesis and photocatalytic activity of partially reduced graphene oxide/TiO2composite[J].Acta Physico-Chimica Sinica,2013,29(6):1344-1350.
[7]Kumar S G,Devi L G.Review on modified TiO2photocatalysis under UV/visible light,selected results and related mechanisms on interfacial charge carrier transfer dynamics[J].The Journal of Physical Chemistry A,2011,115(46):13211-13241.
[8]Geim A K,Novoselov K S.The rise of graphene[J]Nature Materials,2007,6(3):183-191.
[9]Lee J S,You K H,Park C B.Highly photoactive,low bandgap TiO2nanoparticles wrapped by grapheme[J].Advanced Materials,2012,24(8):108-1088.
[10]Liu X X,Wang X P,Wang L J.Research progress of graphene[J].Materials Review,2011,25(12):92-96.
[11]Shervedani R K,Amini A.Novel graphene-gold hybrid nanostruc-tures constructed via sulfur modified graphene preparation and characterization by surface and electrochemical techniques[J].Electrochimica Acta,2014,121(15):376-385.
[12]徐云帆,氧化石墨烯—二氧化钛改性超滤膜的研究[J].绿色科技,2017(12):57-60.
[13]Tapas K L,Saswata B,Ananta K M,et al.Chemical functionalization of graphene and its applications[J].Progress in Materials Science,2012,57(7):1061-1105.
[14]Zhu Yanfeng,Du Ronggui,Li Jing,et al.Photogenerated cathodic protection properties of a TiO2nanowire film prepared by a hydrothermal method[J].College of Chemistry and Chemical Engineering,Xiamen University,2010,26(9):2349-2353.
[15]Williams G,Seger B,Kamat PV.TiO2-graphene nanocomposites UV-assisted photocatalytic reduction of graphene oxide[J].ACS Nano,2008,2(7):1487-1491.
[16]郑兴芳.水热法制备纳米氧化物的研究进展[J].临沂师范学院化学化工学院,2009,41(8):9-11.
[17]Yuan Aihua,Wang Ping,Pan Li,et al.Bi2S3 Nanoflowers and nanorods synthesized by solvothermal method[J].Chinese Journal of Inorganic Chemistry,2006,22(3):559-562.
[18]付宏祥,吕功煊,李新勇,等.重金属离子的光催化还原研究进展[J].感光科学与光化学,1995,13(4):325-333.
[19]Zhang Hongzhong,Xiao Youguo,Wang Minghua,et al.Introduction to preparation of TiO2 nanocomposite membranes with both photocatalysis and separation[J].New Chain Ical Materials,2010,38(3):7-9.