Silicon quantum dots: A general photocatalyst for reduction, decomposition, and selective oxidation reactions

被引：216

作者：

Kang, Zhenhui ^{[1
]}

Tsang, Chi Him A. ^{[1
]}

Wong, Ning-Bew ^{[1
]}

Zhang, Zhendong ^{[1
]}

Lee, Shuit-Tong ^{[1
]}

机构：

[1] City Univ Hong Kong, Ctr Super Diamond & Adv Films, Dept Biol & Chem, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 40期

关键词：

D O I：

10.1021/ja075184x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The 1-2 nm SiQDs can photocatalyze CO2 reduction and dye (methyl red) degradation, while 3-4 nm SiQDs can photocatalyze selective oxidation of benzene to phenol, owing to tunable band gap and excellent photoconductive properties of SiQDs.

引用

页码：12090 / +

页数：3

共 21 条

[1] Photocatalytic degradation for environmental applications - a review [J].

Bhatkhande, DS ;

Pangarkar, VG ;

Beenackers, AACM .

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 2002, 77 (01) :102-116

[2] Oxidation reactions with in situ generated oxidants [J].

Clerici, MG ;

Ingallina, P .

CATALYSIS TODAY, 1998, 41 (04) :351-364

[3]

Cvetanovic R.J., 1963, Advances in Photochemistry, P115

[4] Chemical reaction mediated by excited states of Si nanocrystals -: Singlet oxygen formation in solution [J].

Fujii, M ;

Usui, M ;

Hayashi, S ;

Gross, E ;

Kovalev, D ;

Künzner, N ;

Diener, J ;

Timoshenko, VY .

JOURNAL OF APPLIED PHYSICS, 2004, 95 (07) :3689-3693

[5]

FUJII M, 2006, PHYS REV B, V72

[6] Treatment of hazardous organic and inorganic compounds through aqueous-phase photocatalysis: A review [J].

Kabra, K ;

Chaudhary, R ;

Sawhney, RL .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2004, 43 (24) :7683-7696

[7] Heterogeneous hydroxylation catalyzed by multi-walled carbon nanotubes at low temperature [J].

Kang, ZH ;

Wang, EB ;

Mao, BD ;

Su, ZM ;

Gao, L ;

Niu, L ;

Shan, HY ;

Xu, L .

APPLIED CATALYSIS A-GENERAL, 2006, 299 :212-217

[8] Controllable fabrication of carbon nanotube and nanobelt with a polyoxometalate-assisted mild hydrothermal process [J].

Kang, ZH ;

Wang, EB ;

Mao, BD ;

Su, ZM ;

Lei, G ;

Lian, SY ;

Lin, X .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (18) :6534-6535

[9] One-step water-assisted synthesis of high-quality carbon nanotubes directly from graphite [J].

Kang, ZH ;

Wang, EB ;

Gao, L ;

Lian, SY ;

Jiang, M ;

Hu, CW ;

Xu, L .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (45) :13652-13653

[10] A polyoxometalate-assisted electrochemical method for silicon nanostructures preparation: From quantum dots to nanowires [J].

Kang, Zhenhui ;

Tsang, Chi Him A. ;

Zhang, Zhendong ;

Zhang, Mingliang ;

Wong, Ning-Bew ;

Zapien, J. Antonio ;

Shan, Yueyue ;

Lee, Shuit-Tong .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2007, 129 (17) :5326-+

← 1 2 3 →