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Bismuth oxyhalide nanomaterials: Layered structures meet photocatalysis

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成果类型:
期刊论文
作者:
Li, Jie;Yu, Ying;Zhang, Lizhi*
通讯作者:
Zhang, Lizhi
作者机构:
[Zhang, Lizhi; Li, Jie; Yu, Ying] Cent China Normal Univ, Coll Chem, Inst Environm Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Peoples R China.
[Li, Jie; Yu, Ying] Cent China Normal Univ, Coll Phys Sci & Technol, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
通讯机构:
[Zhang, Lizhi] C
Cent China Normal Univ, Coll Chem, Inst Environm Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Peoples R China.
语种:
英文
期刊:
Nanoscale
ISSN:
2040-3364
年:
2014
卷:
6
期:
15
页码:
8473-8488
基金类别:
National Basic Research Program of China (973 Program)National Basic Research Program of China [2013CB632402]; National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21177048, 21377044]; Natural Science Foundation of Hubei ProvinceNatural Science Foundation of Hubei Province [2013CFA114]; Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment
机构署名:
本校为第一且通讯机构
院系归属:
物理科学与技术学院
化学学院
摘要:
In recent years, layered bismuth oxyhalide nanomaterials have received more and more interest as promising photocatalysts because their unique layered structures endow them with fascinating physicochemical properties; thus, they have great potential photocatalytic applications for environment remediation and energy harvesting. In this article, we explore the synthesis strategies and growth mechanisms of layered bismuth oxyhalide nanomaterials, and propose design principles of tailoring a layered configuration to control the nanoarchitectures for high efficient photocatalysis. Subsequently, we focus on their layered structure dependent properties, including pH-related crystal facet exposure and phase transformation, facet-dependent photoactivity and molecular oxygen activation pathways, so as to clarify the origin of the layered structure dependent photoreactivity. Furthermore, we summarize various strategies for modulating the composition and arrangement of layered structures to enhance the photoactivity of nanostructured bismuth oxyhalides via internal electric field tuning, dehalogenation effect, surface functionalization, doping, plasmon modification, and heterojunction construction, which may offer efficient guidance for the design and construction of high-performance bismuth oxyhalide-based photocatalysis systems. Finally, we highlight some crucial issues in engineering the layered-structure mediated properties of bismuth oxyhalide photocatalysts and provide tentative suggestions for future research on increasing their photocatalytic performance.

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