Enhanced H-2 evolution based on ultrasound-assisted piezo-catalysis of modified MoS2

doi:10.1039/c8ta03208d

	Enhanced H-2 evolution based on ultrasound-assisted piezo-catalysis of modified MoS2
	Su, Yang 1; Zhang, Ling ; Wang, Wenzhong ; Li, Xiaoman ; Zhang, Yunlong ; Shao, Dengkui
刊名	JOURNAL OF MATERIALS CHEMISTRY A
	2018
卷号	6 期号:25 页码:11909
ISSN号	2050-7488
DOI	10.1039/c8ta03208d
英文摘要	Piezo-catalysis of H-2 evolution from water has been realized from MoS2 nanosheets with few-layers using mechanical energy. The internal electric field along the [001] direction induced by ultrasonic compression has been proposed as the intrinsic driving force for the separation and transport of carriers in MoS2. In addition, we showed that the edge of MoS2 nanosheets provided active sites, which were beneficial for the HER (hydrogen evolution reaction) after acidification treatment; thus, the piezo-catalysis of H-2 evolution reached 70 mol g(-1) h(-1). Furthermore, surface-modified MoS2 using glutathione (GSH) achieved a high H-2 evolution of approximate to 1250 mol g(-1) h(-1). The decorated ligands of GSH played a key role in promoting the separation of carriers. Thus, we suggest that surface treatments, which bring enhanced piezo-electricity and catalytic coupling, lead to efficient carrier separation and a high possibility of energy transformation from mechanical energy to chemical energy.
学科主题	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000436516700034
资助机构	We acknowledge the financial support received from the National Natural Science Foundation of China (51472260, 51772312). ; We acknowledge the financial support received from the National Natural Science Foundation of China (51472260, 51772312).
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/24821]
专题	中国科学院上海硅酸盐研究所
作者单位	1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Su, Yang,Zhang, Ling,Wang, Wenzhong,et al. Enhanced H-2 evolution based on ultrasound-assisted piezo-catalysis of modified MoS2[J]. JOURNAL OF MATERIALS CHEMISTRY A,2018,6(25):11909, 11915.
APA	Su, Yang,Zhang, Ling,Wang, Wenzhong,Li, Xiaoman,Zhang, Yunlong,&Shao, Dengkui.(2018).Enhanced H-2 evolution based on ultrasound-assisted piezo-catalysis of modified MoS2.JOURNAL OF MATERIALS CHEMISTRY A,6(25),11909.
MLA	Su, Yang,et al."Enhanced H-2 evolution based on ultrasound-assisted piezo-catalysis of modified MoS2".JOURNAL OF MATERIALS CHEMISTRY A 6.25(2018):11909.