Distinguishing Localized Surface Plasmon Resonance and Schottky Junction of Au-Cu2O Composites by Their Molecular Spacer Dependence

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	Distinguishing Localized Surface Plasmon Resonance and Schottky Junction of Au-Cu2O Composites by Their Molecular Spacer Dependence
	Jiang DH(蒋登辉) ; Zhou, W ; Zhong, XH ; Li XH(李鑫恒) ; Zhang YG(张跃钢)
刊名	ACS APPLIED MATERIALS & INTERFACES
	2014-07-23
卷号	6 期号:14 页码:10958-10962
关键词	LSPR Schottky effect cuprous oxide self-assembled monolayer photocatalytic activity
通讯作者	李鑫恒
英文摘要	The surface plasmon resonance (SPR) and Schottky effects are important photocatalytic activity boosters in metallic cocatalyst/photocatalyst systems, but it is difficult Cu2O composite in conjunction with UV and visible-light to differentiate them. In this report, we design a simple method to distinguish the two effects by utilizing a distance-tunable self-assembled monolayer (SAM) in a gold (Au)-sources, by which we had only the SPR or Schottky effect identified in the visible or UV light, respectively. Cysteine (cys) and mercaptoundecanoic acid (MUA) SAMs as linkers were used respectively for making Au-cys-Cu2O and Au-MUA-Cu2O composites. Au-citrate-Cu2O as a mild linker was also synthesized. Under UV-light irradiation, Au-Cu2O showed only the Schottky effect, while Au-MUA-Cu2O and Au-cys-Cu2O showed neither of the two effects. Under visible-light irradiation, Au-MUA-Cu2O and Au-cys-Cu2O showed clearly only the localized SPR (LSPR) effect, while Au-Cu2O demonstrated the coexistence of the two effects, which was further confirmed by their LSPR enhancement factor.
收录类别	SCI
语种	英语
WOS记录号	WOS:000339472100019
公开日期	2014-12-02
内容类型	期刊论文
源URL	[http://ir.sinano.ac.cn/handle/332007/1640]
专题	苏州纳米技术与纳米仿生研究所_先进材料研究部_离职团队
推荐引用方式 GB/T 7714	Jiang DH,Zhou, W,Zhong, XH,et al. Distinguishing Localized Surface Plasmon Resonance and Schottky Junction of Au-Cu2O Composites by Their Molecular Spacer Dependence[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(14):10958-10962.
APA	Jiang DH,Zhou, W,Zhong, XH,Li XH,&Zhang YG.(2014).Distinguishing Localized Surface Plasmon Resonance and Schottky Junction of Au-Cu2O Composites by Their Molecular Spacer Dependence.ACS APPLIED MATERIALS & INTERFACES,6(14),10958-10962.
MLA	Jiang DH,et al."Distinguishing Localized Surface Plasmon Resonance and Schottky Junction of Au-Cu2O Composites by Their Molecular Spacer Dependence".ACS APPLIED MATERIALS & INTERFACES 6.14(2014):10958-10962.