Preparation and Mechanism of Cu/nano-TiO2/PBO Composite Fibers by Photocatalysis Electroless Plating
Cu/nano-TiO2/PBO composite fiber with low density,high strength,toughness and conductivity was prepared with a photocatalysis electroless plating method by reduction depositing Cu2+ on the surface of nano-TiO2/PBO composite fiber.The process parameters on the preparation of Cu/nano-TiO2/PBO composite fiber were optimized by the characterization of surface morphology,phase,composition,pull-out strength and resistivity of Cu/nano-TiO2/PBO composite fibers using SEM,XRD,EDS,electronic tester of tensile strength and multimeter,respectively.The mechanism of Cu coating nano-TiO2/PBO composite fiber was also discussed in this study.The results showed that Cu/nano-TiO2/PBO composite fibers were well prepared under the bath composition of CuSO4?5H2O 16g?L-1,KNaC4H4O6?4H2O 15 g?L-1,Na2EDTA?2H2O 24 g?L-1,HCHO 16 ml?L-1,NaOH 14 g?L-1,C10H8N2 24 mg?L-1 and K4Fe(CN)6?H2O 12 mg?L-1 by the UV-light irradiated for 30 min.The diameter,pull-out strength and resistivity of Cu/nano-TiO2/PBO composite fiber were 20.2 μm,2.25 GPa and 0.02864 Ω?mm2m-1,respectively.Cu2+ ions on the surface of nano-TiO2/PBO composite fiber were reduced to Cu by photo-electrons which were generated of nano-TiO2 under the UV-light irradiated,and the primary Cu layer as a catalytic center promoted the reduction reactions of producing Cu/nano-TiO2/PBO composite fiber further.
Cu/nano-TiO2/PBO composite fiber Photocatalysis electroless plating Coating mechanism
Yanyan Luan Xuefeng Liu Zhannan Peng Jianxin Xie
Institute for Advanced Materials and Technology, University of Science and Technology Beijing,Beijing 100083, China
国际会议
the Chinese Materials Congress 2012(2012年中国材料大会(CMC2012))
太原
英文
205-210
2012-07-13（万方平台首次上网日期，不代表论文的发表时间）