Recent Developments in 2D Nanomaterials for Chemiresistive-Type Gas Sensors

被引：121
作者：
Choi, Seon-Jin [1 ]
Kim, Il-Doo [2 ,3 ]
机构：
[1] MIT, Dept Chem, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, 291 Daehak Ro, Daejeon 34141, South Korea
[3] Korea Adv Inst Sci & Technol, Adv Nanosensor Res Ctr, Inst NanoCentury, Daejeon, South Korea
来源：
ELECTRONIC MATERIALS LETTERS | 2018年 / 14卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
2D materials; Nanosheets; Chemiresistive-type; Gas sensors; Wearable sensors; REDUCED GRAPHENE OXIDE; 2-DIMENSIONAL LAYERED NANOMATERIALS; TRANSITION-METAL DICHALCOGENIDES; CHEMICAL SENSING PERFORMANCE; BLACK PHOSPHORUS NANOSHEETS; ZNO NANOSHEETS; SELECTIVE DETECTION; MOS2; NANOSHEETS; WO3; NANOFIBERS; HOLLOW SNO2;
D O I：
10.1007/s13391-018-0044-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two-dimensional (2D) nanostructures are gaining tremendous interests due to the fascinating physical, chemical, electrical, and optical properties. Recent advances in 2D nanomaterials synthesis have contributed to optimization of various parameters such as physical dimension and chemical structure for specific applications. In particular, development of high performance gas sensors is gaining vast importance for real-time and on-site environmental monitoring by detection of hazardous chemical species. In this review, we comprehensively report recent achievements of 2D nanostructured materials for chemiresistive-type gas sensors. Firstly, the basic sensing mechanism is described based on charge transfer behavior between gas species and 2D nanomaterials. Secondly, diverse synthesis strategies and characteristic gas sensing properties of 2D nanostructures such as graphene, metal oxides, transition metal dichalcogenides (TMDs), metal organic frameworks (MOFs), phosphorus, and MXenes are presented. In addition, recent trends in synthesis of 2D heterostructures by integrating two different types of 2D nanomaterials and their gas sensing properties are discussed. Finally, this review provides perspectives and future research directions for gas sensor technology using various 2D nanomaterials. [GRAPHICS] .
引用
收藏
页码：221 / 260
页数：40
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