Copper-Doped CdSe/ZnS Quantum Dots: Controllable Photoactivated Copper(I) Cation Storage and Release Vectors for Catalysis

被引：55
作者：
Bear, Joseph C. [1 ]
Hollingsworth, Nathan [1 ]
McNaughter, Paul D. [2 ]
Mayes, Andrew G. [2 ]
Ward, Michael B. [3 ]
Nann, Thomas [4 ]
Hogarth, Graeme [1 ]
Parkin, Ivan P. [1 ]
机构：
[1] UCL, Dept Chem, London WC1H 0AJ, England
[2] Univ E Anglia, Sch Chem, Norwich NR4 7TJ, Norfolk, England
[3] Univ Leeds, Inst Mat Res, SPEME, Leeds LS2 9JT, W Yorkshire, England
[4] Univ S Australia, Ian Wark Res Inst, Adelaide, SA 5095, Australia
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
click chemistry; copper catalysis; core-shell materials; heterogeneous catalysis; quantum dots; SEMICONDUCTOR NANOCRYSTALS; INP/ZNS NANOCRYSTALS; CYCLIC VOLTAMMETRY; TERMINAL ALKYNES; SHELL; CU; LUMINESCENCE; OXIDATION; AZIDES;
D O I：
10.1002/anie.201308778
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The first photoactivated doped quantum dot vector for metal-ion release has been developed. A facile method for doping copper(I) cations within ZnS quantum dot shells was achieved through the use of metal-dithiocarbamates, with Cu+ ions elucidated by X-ray photoelectron spectroscopy. Photoexcitation of the quantum dots has been shown to release Cu+ ions, which was employed as an effective catalyst for the Huisgen [3+2]cycloaddition reaction. The relationship between the extent of doping, catalytic activity, and the fluorescence quenching was also explored.
引用
收藏
页码：1598 / 1601
页数：4
相关论文
共 41 条
[1]   Spatial and temporal control of the alkyne-azide cycloaddition by photoinitiated Cu(II) reduction [J].
Adzima, Brian J. ;
Tao, Youhua ;
Kloxin, Christopher J. ;
DeForest, Cole A. ;
Anseth, Kristi S. ;
Bowman, Christopher N. .
NATURE CHEMISTRY, 2011, 3 (03) :256-259
[2]   Semiconductor clusters, nanocrystals, and quantum dots [J].
Alivisatos, AP .
SCIENCE, 1996, 271 (5251) :933-937
[3]   Deep level defect luminescence in cadmium selenide nano-crystals films [J].
Babentsov, V ;
Riegler, J ;
Schneider, J ;
Ehlert, O ;
Nann, T ;
Fiederle, M .
JOURNAL OF CRYSTAL GROWTH, 2005, 280 (3-4) :502-508
[4]   Mn2+-Doped CdSe Quantum Dots: New Inorganic Materials for Spin-Electronics and Spin-Photonics [J].
Beaulac, Remi ;
Archer, Paul I. ;
Ochsenbein, Stefan T. ;
Gamelin, Daniel R. .
ADVANCED FUNCTIONAL MATERIALS, 2008, 18 (24) :3873-3891
[5]   Examination of the proposition that Cu(II) can be required for charge neutrality in a sulfide lattice - Cu in tetrahedrites and sphalerite [J].
Buckley, Alan N. ;
Skinner, William M. ;
Harmer, Sarah L. ;
Pring, Allan ;
Lamb, Robert N. ;
Fan, Liang-Jen ;
Yang, Yaw-wen .
CANADIAN JOURNAL OF CHEMISTRY, 2007, 85 (10) :767-781
[6]   Electrophoretic properties of BSA-coated quantum dots [J].
Buecking, Wendelin ;
Massadeh, Salam ;
Merkulov, Alexei ;
Xu, Shu ;
Nann, Thomas .
ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 2010, 396 (03) :1087-1094
[7]   Ultrasensitive Copper(II) Detection Using Plasmon-Enhanced and Photo-Brightened Luminescence of CdSe Quantum Dots [J].
Chan, Yang-Hsiang ;
Chen, Jixin ;
Liu, Qingsheng ;
Wark, Stacey E. ;
Son, Dong Hee ;
Batteas, James D. .
ANALYTICAL CHEMISTRY, 2010, 82 (09) :3671-3678
[8]   (CdSe)ZnS core-shell quantum dots: Synthesis and characterization of a size series of highly luminescent nanocrystallites [J].
Dabbousi, BO ;
RodriguezViejo, J ;
Mikulec, FV ;
Heine, JR ;
Mattoussi, H ;
Ober, R ;
Jensen, KF ;
Bawendi, MG .
JOURNAL OF PHYSICAL CHEMISTRY B, 1997, 101 (46) :9463-9475
[9]   Lanthanide Modification of CdSe/ZnS Core/Shell Quantum Dots [J].
Dethlefsen, Johannes R. ;
Mikhailovsky, Alexander A. ;
Burks, Peter T. ;
Dossing, Anders ;
Ford, Peter C. .
JOURNAL OF PHYSICAL CHEMISTRY C, 2012, 116 (44) :23713-23720
[10]   Preparation of a ZnS Shell on CdSe Quantum Dots Using a Single-Molecular ZnS Precursor [J].
Dethlefsen, Johannes R. ;
Dossing, Anders .
NANO LETTERS, 2011, 11 (05) :1964-1969
12345