Zn_2GeO_4纳米线的可控制备以及形貌调控
摘要
一维纳米线有利于电子空穴对的快速定向传输,有利于载流子寿命的延长,同时有利于比表面积的增大,提高光催化活性。本实验采用水热法合成Zn_2GeO_4纳米线,研究在水热反应中反应条件对晶体结构、形貌和光催化活性的影响,进而优化反应条件制备具有规则的形貌、完整的晶型、高的催化活性的Zn_2GeO_4纳米线光催化剂材料。对比了表面活性剂以及不同制备方法对样品形貌的影响,对所制备样品通过XRD对其成分和结构进行测定,利用SEM等手段对其结构、形貌进行表征。
引文
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[2] Zhou Y,Kogiso M,Shimizu T.Necklace-like Chains of Hybrid Nanospheres Consisting of Pd Nanocystals and Peptidic Lipids[J].Journal of the American Chemical Society,2009,131(7):2456.
[3] Sun Y,Hu J,Chen Z,et al.Prospective important semiconducting nanotubes:synthesis,properties and applications[J].Journal of Materials Chemistry,2009,19(41):7592-7605.
[4] Qi L,Yong Z,Jiahui K,et al.High-yield synthesis of ultralong and ultrathin Zn2GeO4 nanoribbons toward improved photocatalytic reduction of CO2 into renewable hydrocarbon fuel[J].Cheminform,2011,132(41):14385-14387.
[5] Sato J,Kobayashi H,Ikarashi K,et al.Photocatalytic Activity for Water Decomposition of RuO2-Dispersed Zn2GeO4 with d10 Configuration[J].Cheminform,2004,35(27):868-869.
[6] Yan C,Singh N,Lee P S.Wide-bandgap Zn2GeO4 nanowire networks as efficient ultraviolet photodetectors with fast response and recovery time[J].Applied Physics Letters,2010,96(5):158.
[7] Das S N,Kar J P,Choi J H,et al.Fabrication and Characterization of ZnO Single Nanowire-Based Hydrogen Sensor[J].Journal of Physical Chemistry C,2010,114(3):1689-1693.
[8] Zhang S,Hu Y,Li C,et al.Systematic investigation of photoluminescence on the mixed valence of europium in Zn2GeO4 host[J].Applied Physics A,2014,116(4):1985-1992.
[9] Ma B,Wen F,Jiang H,et al.The Synergistic Effects of Two Co-catalysts on Zn2GeO4 on Photocatalytic Water Splitting[J].Catalysis Letters,2010,134(1-2):78-86.
[10] Chen X F,Wang X C,Hou Y D,et al.The effect of postnitridation annealing on the surface property and photocatalytic performance of N-doped TiO2 under visible light irradiation[J].Journal of Catalysis,2008,255(1):59-67.
[11] Tsai M Y,Yu C Y,Wang C C,et al.Water-Driven Formation of Luminescent Zn2GeO4 Nanorods from Zn-Containing Ge Nanoparticles[J].Crystal Growth & Design,2008,8(7):2264-2269.
[12] Feng J K,Lai M O,Lu L.ZnGeO Nanorods synthesized by low-temperature hydrothermal growth for high-capacity anode of lithium battery[J].Electrochem Commun,2011,13(3):287-289.
[13] Han X,Feng S,Zhao Y,et al.Synthesis of ternary oxide Zn2GeO4 nanowire networks and their deep ultraviolet detection properties[J].RSC Advances,2019,9(3):1394-1402.
[14] Xing Z,Qi Z,Lin G,et al.High-Performance Solar-Blind Deep Ultraviolet Photodetector Based on Individual Single-Crystalline Zn2GeO4 Nanowire[J].Advanced Functional.Material.,2016,26(5):704-712.
[15] Zhe L,Hongtao H,Bo L,et al.Zn2GeO4 and In2Ge2O7 nanowire mats based ultraviolet photodetectors on rigid and flexible substrates[J].Optics Express,2012,20(3):2982.