Efficient charge storage in photoexcited TiO2 nanorod-noble metal nanoparticle composite systems

被引:83
作者
Cozzoli, PD
Curri, ML
Agostiano, A
机构
[1] Univ Bari, Dipartmento Chim, I-70126 Bari, Italy
[2] Univ Bari, Co Dipartmento Chim, CNR, IPCF Sez, I-70126 Bari, Italy
关键词
D O I
10.1039/b503774c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Following UV-illumination, TiO2 nanorod-stabilized noble metal (Ag, Au) nanoparticles dispersed in deaerated organic mixtures can sustain a higher degree of conduction band electron accumulation than that achievable with pristine titania.
引用
收藏
页码:3186 / 3188
页数:3
相关论文
共 30 条
[1]   Perspectives on the physical chemistry of semiconductor nanocrystals [J].
Alivisatos, AP .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (31) :13226-13239
[2]  
CHEN S, 1999, J PHYS CHEM B, V103, P9336
[3]   Gold nanoelectrodes of varied size: Transition to molecule-like charging [J].
Chen, SW ;
Ingram, RS ;
Hostetler, MJ ;
Pietron, JJ ;
Murray, RW ;
Schaaff, TG ;
Khoury, JT ;
Alvarez, MM ;
Whetten, RL .
SCIENCE, 1998, 280 (5372) :2098-2101
[4]   Kinetics and mechanism of CCl4 photoreductive degradation on TiO2: The role of trichloromethyl radical and dichlorocarbene [J].
Choi, WY ;
Hoffmann, MR .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (06) :2161-2169
[5]   Novel photocatalytic mechanisms for CHCl3, CHBr3, and CCl3CO2- degradation and the fate of photogenerated trihalomethyl radicals on TiO2 [J].
Choi, WY ;
Hoffmann, MR .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1997, 31 (01) :89-95
[6]   Low-dimensional chainlike assemblies of TiO2 nanorod-stabilized Au nanoparticles [J].
Cozzoli, PD ;
Fanizza, E ;
Curri, ML ;
Laub, D ;
Agostiano, A .
CHEMICAL COMMUNICATIONS, 2005, (07) :942-944
[7]   Role of metal nanoparticles in TiO2/Ag nanocomposite-based microheterogeneous photocatalysis [J].
Cozzoli, PD ;
Fanizza, E ;
Comparelli, R ;
Curri, ML ;
Agostiano, A ;
Laub, D .
JOURNAL OF PHYSICAL CHEMISTRY B, 2004, 108 (28) :9623-9630
[8]   Photocatalytic synthesis of silver nanoparticles stabilized by TiO2 nanorods:: A semiconductor/metal nanocomposite in homogeneous nonpolar solution [J].
Cozzoli, PD ;
Comparelli, R ;
Fanizza, E ;
Curri, ML ;
Agostiano, A ;
Laub, D .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (12) :3868-3879
[9]   Low-temperature synthesis of soluble and processable organic-capped anatase TiO2 nanorods [J].
Cozzoli, PD ;
Kornowski, A ;
Weller, H .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (47) :14539-14548
[10]   Small is different: Shape-, size-, and composition-dependent properties of some colloidal semiconductor nanocrystals [J].
El-Sayed, MA .
ACCOUNTS OF CHEMICAL RESEARCH, 2004, 37 (05) :326-333