کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1516759 | 1511562 | 2012 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Humidity sensitive properties of K-doped mesoporous silica SBA-15 Humidity sensitive properties of K-doped mesoporous silica SBA-15](/preview/png/1516759.png)
Humidity sensors based on K-doped mesoporous silica SBA-15 were prepared and characterized by XRD, SEM, TEM and N2 adsorption-desorption isotherms. The humidity sensing test results show that KCl doping improves the sensing characteristic of humidity sensors. The optimal result is obtained via sample 50 wt% KCl-doped SBA-15, which exhibits an excellent linearity in the whole humidity range of 11%-95%. It also shows satisfactory reversibility and fast responses to the environmental moisture. The investigation of the humidity sensitive characteristics of the K-doped SBA-15 sensor shows that this material could have good prospects of application in humidity sensor.
Graphical AbstractFigure optionsDownload as PowerPoint slideHighlights
► A simple and effective route for the synthesis of a highly efficient humidity sensing material.
► The composite presents good stability and has undestroyed ordered mesoporous structure.
► This sensor has a very good response and recovery property.
Journal: Journal of Physics and Chemistry of Solids - Volume 73, Issue 4, April 2012, Pages 517–522