[1]王炉煜,祝烨,高利苹,等.镧掺杂AlPO4-5沸石的合成及湿敏性能研究[J].郑州大学学报(工学版),2016,37(05):12-16.[doi:10.13705/j.issn.1671-6833.2016.05.003]
　Wang Luyu,Zhu Ye,Gao Liping,et al.Studies on the synthesis of AlPO4-5 zeolite and its doping La and their application as quartz crystal microbalance humidity sensor[J].Journal of Zhengzhou University (Engineering Science),2016,37(05):12-16.[doi:10.13705/j.issn.1671-6833.2016.05.003]
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镧掺杂AlPO4-5沸石的合成及湿敏性能研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
37
期数:
2016年05期
页码:
12-16
栏目:
出版日期:
2016-11-25

文章信息/Info

Title:
Studies on the synthesis of AlPO4-5 zeolite and its doping La and their application as quartz crystal microbalance humidity sensor
作者:
王炉煜; 祝烨; 高利苹; 徐甲强
上海大学理学院化学系,上海,200444
Author(s):
Wang Luyu1; Zhu Ye2; Gao Liping2; Xu Jiaqiang2
Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444 
关键词:
AIPO4-5; 掺杂镧; 石英晶体微天平; 湿度传感器
Keywords:
AIPO4-5; La-doped; QCM; humidity sensor
DOI:
10.13705/j.issn.1671-6833.2016.05.003
文献标志码:
A
摘要:
以异丙醇铝、正磷酸、四甲基胍和硝酸镧为反应原料,通过一步水热法成功制备了AIP04-5沸石分子筛,并用稀土元素镧对其掺杂改性(LaAPO-5)以获得良好的气敏性能.通过扫描电镜可以看出,获得的La掺杂沸石分子筛为小球颗粒,并且堆积为酥松的棉絮状.将所合成的材料作为石英晶体微天平湿度传感器的敏感材料构建谐振式湿度传感器,与未掺杂La的AIPO4-5相比,掺杂后的LaAPO-5在全湿度范围内的检测都具有较高的灵敏度,并且具有较好的线性关系和较短的响应/恢复时间,其中恢复时间可以快至3 s.
Abstract:
Using aluminum isopropoxide, orthophosphoric acid, tetramethylguanidine and lanthanum nitrate as reaction raw materials, AIP04-5 zeolite molecular sieve was successfully prepared by one-step hydrothermal method, and it was doped with rare earth element lanthanum (LaAPO-5) to Obtain good gas-sensing performance. It can be seen from the scanning electron microscope that the obtained La-doped zeolite molecular sieve is a small spherical particle, and is packed into a fluffy cotton floc. The synthesized material is constructed as a sensitive material for a quartz crystal microbalance humidity sensor A resonant humidity sensor, compared with the undoped LaAPO4-5, the doped LaAPO-5 has a higher sensitivity in the detection of the whole humidity range, and has a better linear relationship and a shorter response time. /recovery time, where the recovery time can be as fast as 3 s.
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