Improved Response/Recovery Time and Sensitivity of SnSe Nanosheet Humidity Sensor by LiCl Incorporation,Advanced Electronic Materials

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Improved Response/Recovery Time and Sensitivity of SnSe Nanosheet Humidity Sensor by LiCl Incorporation
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2020-03-19 , DOI: 10.1002/aelm.201901330
Kaimin Zhu _{1,

2} , Yong Tang _{1,

2} , Xiangli Zhong ₂ , Li Xiong _{1,

2} , Yong Zhang ₃ , Congbin Tan ₄ , Hongjia Song ₂ , Jinbin Wang ₁

Affiliation

The use of inorganic salt composite nanomaterials to form nanocomposite humidity‐sensing materials is considered to be an effective way to promote the integral performances of humidity sensors. In this work, by combining the advantages of SnSe nanosheet and LiCl, a novel composite structure of LiCl nanoparticles and SnSe nanosheet (LiCl:SnSe nanosheet) is constructed as the humidity‐sensing materials in humidity sensors. Compared with the properties of a resistance‐type humidity sensor based on SnSe nanosheet, the integral humidity‐sensing properties of LiCl:SnSe nanosheet are improved, especially in response and recovery times (shorten to 12 s/4 s) and sensitivity (up to 3.21 × 10⁵%). These results indicate that LiCl:SnSe nanosheet may be a potential humidity‐sensing material for fabricating humidity sensors with high performance.

中文翻译：

通过加入LiCl改善SnSe纳米片湿度传感器的响应/恢复时间和灵敏度

使用无机盐复合纳米材料形成纳米复合湿度传感材料被认为是提高湿度传感器整体性能的有效方法。在这项工作中，通过结合SnSe纳米片和LiCl的优点，构建了LiCl纳米颗粒和SnSe纳米片的新型复合结构（LiCl：SnSe纳米片）作为湿度传感器中的湿度传感材料。与基于SnSe纳米片的电阻型湿度传感器的特性相比，LiCl：SnSe纳米片的整体湿度感测特性得到了改善，特别是在响应和恢复时间（缩短至12 s / 4 s）和灵敏度（达到3.21×10 ⁵％）。这些结果表明，LiCl：SnSe纳米片可能是用于制造高性能湿度传感器的潜在湿度传感材料。

更新日期：2020-03-19

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