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Facile Assembly of Cadmium Sulfide Quantum Dots on Titanate Nanobelts for Enhanced Nonlinear Optical Properties
Feng, Miao1; Zhan, Hongbing1; Miao, Lei2
2010-04-01
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号2期号:4页码:1129-1135
产权排序[Feng, Miao; Zhan, Hongbing] Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China; [Miao, Lei] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
通讯作者hbzhan@fzu.edu.cn ; miaolei@ms.giec.ac.cn
摘要A facile route to assemble cadmium sulfide (CdS) quantum dots (QDs) uniformly on the surface of titanate nanobelts (TNBs) through electrostatic interactions is demonstrated. The photophysical properties of the resulting TNB-CdS nanostructured composite, including optical limiting properties, were studied using ultraviolet-visible absorption spectroscopy, photoluminescence spectroscopy, and the open aperture Z-scan technique in the nanosecond regime using a laser with a wavelength of 532 nm. The linear and nonlinear optical properties of this composite nanostructure were strongly influenced by a possible charge/energy transfer process between the QDs and TNBs. The as-prepared TNB-CdS composite offers an optical limiting effect that is superior to that of unmodified CdS QDs and TNBs. The main contributors to the enhanced optical limiting effect in the TNB-CdS composite were a combination of nonlinear scattering and increased nonlinear absorption resulting from efficient charge/energy transfer at the CdS/TNB interface.
文章类型Article
其他摘要A facile route to assemble cadmium sulfide (CdS) quantum dots (QDs) uniformly on the surface of titanate nanobelts (TNBs) through electrostatic interactions is demonstrated. The photophysical properties of the resulting TNB-CdS nanostructured composite, including optical limiting properties, were studied using ultraviolet-visible absorption spectroscopy, photoluminescence spectroscopy, and the open aperture Z-scan technique in the nanosecond regime using a laser with a wavelength of 532 nm. The linear and nonlinear optical properties of this composite nanostructure were strongly influenced by a possible charge/energy transfer process between the QDs and TNBs. The as-prepared TNB-CdS composite offers an optical limiting effect that is superior to that of unmodified CdS QDs and TNBs. The main contributors to the enhanced optical limiting effect in the TNB-CdS composite were a combination of nonlinear scattering and increased nonlinear absorption resulting from efficient charge/energy transfer at the CdS/TNB interface.
关键词Composite Nanostructure Z-scan Optical Limiting Nanosecond Laser
学科领域Science & Technology - Other Topics ; Materials Science
WOS标题词Science & Technology ; Technology
DOI10.1021/am100003p
研究领域[WOS]Science & Technology - Other Topics ; Materials Science
URL查看原文
关键词[WOS]WALLED CARBON NANOTUBES ; PHOTOINDUCED ELECTRON-TRANSFER ; LIMITING PROPERTIES ; CDS NANOPARTICLES ; CHEMICAL FUNCTIONALIZATION ; GOLD NANOPARTICLES ; TIO2 NANOTUBES ; HOST-GUEST ; PORPHYRIN ; NANOSTRUCTURES
收录类别SCI
语种英语
项目资助者Natural Science Foundation of Fujian Province [2009J01241]; National Engineering Research Center for Optoelectronic Crystalline Materials [2005DC105003]; Guangdong Natural Science Foundation [9151007006000009]; Guangdong Provincal Science and Technology [2009B010900047]
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000277042000029
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/8505
专题中国科学院广州能源研究所
太阳能系统应用实验室
作者单位1.Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
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Feng, Miao,Zhan, Hongbing,Miao, Lei. Facile Assembly of Cadmium Sulfide Quantum Dots on Titanate Nanobelts for Enhanced Nonlinear Optical Properties[J]. ACS APPLIED MATERIALS & INTERFACES,2010,2(4):1129-1135.
APA Feng, Miao,Zhan, Hongbing,&Miao, Lei.(2010).Facile Assembly of Cadmium Sulfide Quantum Dots on Titanate Nanobelts for Enhanced Nonlinear Optical Properties.ACS APPLIED MATERIALS & INTERFACES,2(4),1129-1135.
MLA Feng, Miao,et al."Facile Assembly of Cadmium Sulfide Quantum Dots on Titanate Nanobelts for Enhanced Nonlinear Optical Properties".ACS APPLIED MATERIALS & INTERFACES 2.4(2010):1129-1135.
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