Research Progress of Graphene-Based Flexible Humidity Sensor

被引：66

作者：

Liang, Rongxuan ^{[1
,2
]}

Luo, Ansheng ^{[1
,2
]}

Zhang, Zhenbang ^{[1
,2
]}

Li, Zhantong ^{[1
,2
]}

Han, Chongyang ^{[1
,2
]}

Wu, Weibin ^{[1
,2
]}

机构：

[1] South China Agr Univ, Coll Engn, Guangzhou 510642, Peoples R China

[2] China Agr Res Syst, Div Citrus Machinery, Guangzhou 510642, Peoples R China

来源：

SENSORS | 2020年 / 20卷 / 19期

关键词：

graphene oxide; flexible; humidity sensors; respiratory monitoring; LAYER-BY-LAYER; SENSING PROPERTIES; QUANTUM DOTS; OXIDE; COMPOSITE; FILMS; NANOCOMPOSITES; CARBONIZATION; TEMPERATURE; REDUCTION;

D O I：

10.3390/s20195601

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Graphene is a new type of carbon material with a flexible, two-dimensional structure. Due to the excellent stability of its lattice structure and its mechanical flexibility, graphene-based materials can be applied in flexible humidity sensors. At present, the application of graphene-based flexible humidity sensors in the fields of medical care and environmental monitoring is attracting widespread attention. In this review, the basic properties of graphene oxide (GO) and reduced graphene oxide (rGO) as moisture-sensitive materials and methods for their preparation were introduced. Moreover, three methods for improving the performance of moisture-sensitive materials were discussed. The working principle of different types of graphene-based humidity sensors were introduced. The progress in the research on graphene-based flexible humidity sensors in four respects: Human respiration, skin moisture, human sweat, and environmental humidity were discussed. Finally, the future research, following the development trends and challenges, to develop the potential of integrated, graphene-based flexible humidity sensors were discussed.

引用

页码：1 / 17

页数：17

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