scholarly journals High-Performance, Room Temperature Hydrogen Sensing With a Cu-BTC/Polyaniline Nanocomposite Film on a Quartz Crystal Microbalance

2019 ◽  
Vol 19 (13) ◽  
pp. 4789-4795 ◽  
Author(s):  
Osama Abuzalat ◽  
Danny Wong ◽  
Simon S. Park ◽  
Seonghwan Kim
RSC Advances ◽  
2019 ◽  
Vol 9 (66) ◽  
pp. 38531-38537 ◽  
Author(s):  
Hao Kan ◽  
Min Li ◽  
Hui Li ◽  
Chong Li ◽  
Jian Zhou ◽  
...  

A high-performance QCM humidity sensor was prepared based on In2O3 QDs with a high specific surface area.


2014 ◽  
Vol 605 ◽  
pp. 589-592 ◽  
Author(s):  
Marián Varga ◽  
Alexandr Laposa ◽  
Pavel Kulha ◽  
Marina Davydova ◽  
Jiri Kroutil ◽  
...  

Synthetic diamond has remarkable properties comparable with natural diamond and hence is a very promising material for many various applications (sensors, heat sink, optical mirrors, cold cathode, tissue engineering, etc.). Nowadays, deposition of diamond films is normally employed in chemical vapor deposition (CVD) usually at high temperatures (800900 °C), what limit its application to high melting substrates. Gravimetric (mass) sensors belong to the major categories of chemical sensors and the most common type of mass sensor is the bulk acoustic quartz crystal microbalance (QCM). This contribution deals with a nanocrystalline diamond (NCD) growth from the H2/CH4/CO2gas mixture at low temperature (400 °C) by pulsed linear antenna microwave plasma system on 10 MHz circular AT-cut quartz resonators substrate. Gas sensor based on the NCD-coated QCM was developed for detection of ammonia (NH3) at room temperature. Measurements not only confirmed the functionality of this first published NCD-coated QCM sensor, but in addition its sensitivity was twofold to a virgin QCM sensor with a gold active layer.


2020 ◽  
Vol 8 (22) ◽  
pp. 7567-7574 ◽  
Author(s):  
Danny Wong ◽  
Osama Abuzalat ◽  
Sherif Mostafa ◽  
Simon S. Park ◽  
Seonghwan Kim

Fabrication of the hybrid TiO2–SnO2/MWCNTs@Cu-BTC film by IPL onto a quartz crystal microbalance for ammonia sensing at room temperature.


2009 ◽  
Vol 141 (1) ◽  
pp. 104-108 ◽  
Author(s):  
Ping Sun ◽  
Yadong Jiang ◽  
Guangzhong Xie ◽  
Xiaosong Du ◽  
Jia Hu

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