Growth of Photocatalytic CdSe-Pt Nanorods and Nanonets

被引:211
作者
Elmalem, Einat [1 ,2 ]
Saunders, Aaron E. [1 ,2 ]
Costi, Ronny [1 ,2 ]
Salant, Asaf [1 ,2 ]
Banin, Uri [1 ,2 ]
机构
[1] Hebrew Univ Jerusalem, Inst Chem, IL-91904 Jerusalem, Israel
[2] Hebrew Univ Jerusalem, Ctr Nanosci & Nanotechnol, IL-91904 Jerusalem, Israel
基金
以色列科学基金会; 美国国家科学基金会;
关键词
D O I
10.1002/adma.200800044
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A hybrid Pt-CdSe nanoparticle system is prepared in aqueous media. displaying rod or nanonet structures depending on the pH. The new hybrids display morphology-dependent photocatalytic activity under visible light irradiation. Separation between photo generated charge carriers occurs at the metal/semiconductor interface (see figure), allowing redox reactions to take place at the nanoparticle surface.
引用
收藏
页码:4312 / 4317
页数:6
相关论文
共 39 条
  • [1] Size-dependent dissociation pH of thiolate ligands from cadmium chalcogenide nanocrystals
    Aldana, J
    Lavelle, N
    Wang, YJ
    Peng, XG
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (08) : 2496 - 2504
  • [2] [Anonymous], 1985, STANDARD POTENTIALS
  • [3] BAO N, 2005, CHEM LETT, P318
  • [4] Self-templated synthesis of nanoporous CdS nanostructures for highly efficient photocatalytic hydrogen production under visible
    Bao, Ningzhong
    Shen, Liming
    Takata, Tsuyoshi
    Domen, Kazunari
    [J]. CHEMISTRY OF MATERIALS, 2008, 20 (01) : 110 - 117
  • [5] ARTIFICIAL PHOTOSYNTHESIS - SOLAR SPLITTING OF WATER TO HYDROGEN AND OXYGEN
    BARD, AJ
    FOX, MA
    [J]. ACCOUNTS OF CHEMICAL RESEARCH, 1995, 28 (03) : 141 - 145
  • [6] Selective reactions on the tips of colloidal semiconductor nanorods
    Carbone, Luigi
    Kudera, Stefan
    Giannini, Cinzia
    Ciccarella, Giuseppe
    Cingolani, Roberto
    Cozzoli, Pantaleo Davide
    Manna, Liberato
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 2006, 16 (40) : 3952 - 3956
  • [7] Improving the photoelectrochemical performance of nanostructured TiO2 films by adsorption of gold nanoparticles
    Chandrasekharan, N
    Kamat, PV
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (46) : 10851 - 10857
  • [8] Visible light-induced charge retention and photocatalysis with hybrid CdSe-Au nanodumbbells
    Costi, Ronny
    Saunders, Aaron E.
    Elmalem, Einat
    Salant, Asaf
    Banin, Uri
    [J]. NANO LETTERS, 2008, 8 (02) : 637 - 641
  • [9] Efficient charge storage in photoexcited TiO2 nanorod-noble metal nanoparticle composite systems
    Cozzoli, PD
    Curri, ML
    Agostiano, A
    [J]. CHEMICAL COMMUNICATIONS, 2005, (25) : 3186 - 3188
  • [10] Role of metal nanoparticles in TiO2/Ag nanocomposite-based microheterogeneous photocatalysis
    Cozzoli, PD
    Fanizza, E
    Comparelli, R
    Curri, ML
    Agostiano, A
    Laub, D
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (28) : 9623 - 9630