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,Nam-gu, Incheon, 402-751, Korea)Abstract:The sensing performances of multiple networked GaN nanowire (NW) sensor codecorated with Au and Pt nanoparticles were examined. The pristine GaN nanowires show... with Au and Pt nanoparticles show much stronger response to H2 gas than the Au or Pt monometal-decorated counterpart. The underlying mechanism for the enhanced response of the AuPt-codecorated GaN nanowire......
Adsorption of Au(Ⅲ) by amino-modified monodispersed PGMA microspheres and deposition of gold nanoparticlesFu-Chun Wang1,Jun-Mei Zhao2,Wan-Kun Wang1,Zi-Zheng Tong21. School of Materials...)(PGMA) microspheres with various amounts of amino groups(PGMA-NH2) were used to adsorb Au(Ⅲ) from simulated wastewaters. Gold nanoparticle-coated PGMA functional microspheres can be directly obtained......
Au nanoparticles decorated graphene/nickel foam nanocomposite for sensitive detection of hydrogen peroxideXiaojuan Wang1,Xinli Guo1,2,Jian Chen1,Chuang Ge1,Hongyi Zhang1,Yuanyuan Liu1,Li Zhao1,Yao...">The Au nanoparticles decorated graphene(AuNPs@Gr)/nickel foam(Gr/NiF) nanocomposite(AuNPs@Gr/NiF) was prepared by chemical vapor deposition followed by electrophoretic deposition of AuNPs on Gr/NiF......
Fabrication of Shape-Controlled Au Nanoparticles in a TiO2-Containing Mesoporous Template Using UV Irradiation and Their Shape-Dependent PhotocatalysisTeruhisa Okuno1,Go Kawamura2,Hiroyuki... photocatalytic activity than that with Au nanospheres.Photocatalysis by exciting surface plasmon resonance is not detected in the composite samples regardless of the shape of the deposited Au nanoparticles......
="ChDivSummary">Highly homogeneous, well dispersed SiO2@Au@TiO2(SAT) microspheres decorated with Au nanoparticles(AuNPs) were prepared and incorporated into the photoanode with an optimized...Performance optimization of dye-sensitized solar cells by gradient-ascent architecture of SiO2@Au@TiO2 microspheres embedded with Au nanoparticlesMingyue Li1,Na Yuan1,Yiwen Tang2,Ling Pei3,Yongdan......
FeAsS,FeS2,,Au的NaClO-NaOH体系热力学分析与金的一步浸出王淀佐,邱冠周,徐竞北京有色金属研究总院中南工业大学矿物工程系摘 要:ＮａＣｌＯ碱性体系处理含砷难处理金矿的研究已有报道,但无论从机理上还是从工艺指标上来讲都有待于深入研究.本文初步分析了金在ＮａＣｌＯ强碱性体系中的热力学行为,不同ｐＨ值下金酸的溶液化学平衡.采用瓷球磨机,边磨边反应,消除氢氧化物固体生成物层对反应的阻止作用,实现Ｆｅ－ＡｓＳ,ＦｅＳ２的破坏分解和金的浸出同时进行,实现广西某选厂含砷金精矿金的一步浸出,金的浸出率在２０ｍｉｎ内达到９１．９％.关键词:Gibbs自由能;平衡常数;难处理金精矿;次氯酸钠;一步浸金;......
碳纳米管的化学镀Au研究 温树林1,伦宁1,李霞1,马希骋2,李士同1 (1.山东大学材料科学与工程学院,山东,济南,250061;2.山东大学化学与化工学院,山东,济南,250061) 摘要:采用化学镀法首次在碳纳米管表面包覆了贵金属Au,研究了工艺过程对包覆层质量的影响,并利用高分辨透射电镜(HRTEM)及纳米束EDS能谱对包覆的碳纳米管进行了表征.所得包覆层完整,均匀,金属颗粒密度高,可望作为高性能准一维纳米导线得到应用. 关键词:碳纳米管; 化学镀:金; 高分辨电镜; [全文内容正在添加中] ......
about the nanocoating techniques encapsulating iron nanoparticles. Fe nanoparticles have been coated with Au by a reverse micelle method[5]. Fe nanoparticles coated with SiO2 have been synthesized...; Abstract: In a simple ethanol-water system, the magnetic α-Fe nanoparticles (with an average......
矿构造带在切穿南北向石英脉时,石英脉含Au,而且品位高.Ⅳ号金铅锌多金属矿体赋存岩石为南北走向石英脉与结晶灰岩接触带中的蚀变灰岩.各矿带特征如下: Ⅰ号矿带长上千米,宽几米至几十米,呈东西走向,分支复合形态,其中见3条金矿体,两条矿化体,均为脉状产出.其延伸均在200 m以上,尚未完全控制,剖面上为舒缓波状.编号分别为Ⅰ-1,Ⅰ-3,Ⅰ-4.Ⅰ-1矿体,厚度平均2 m,Au品位2.34~10 g/t,平均5 g/t以上；Ⅰ-3矿体,厚度平均4.1 m,Au品位4.28~10 g/t,最高35 g/t,平均6 g/t,推测该矿体延伸大于200 m,倾角小于10°；Ⅰ-4矿体,厚度2 m,Au品位1~3 g/t,平均2 g/t以上. Ⅱ号矿带长数百米,宽几米至几十米,呈东西走向,其中见两条金矿体,一条Ⅱ-1矿体地表为脉状,长数百米,厚度平均0.7 m,倾向350°,倾角55°,Au平均品位......
by electrostatic interaction between oppositely-charged gold (Au) and cadmium telluride (CdTe) nanoparticles. Au and CdTe nanoparticles were stabilized by 4-(dimethylamino)pyridine (DMAP... that the sizes of the nanocomposites expanded due to the complex formation. Mixing ratio of Au and CdTe nanoparticles controls the structure of the resulting composites effectively. Moreover, the sizes......
