Room Temperature Violate Organic Compound Sensor Based on Functional Multi-Wall Carbon Nanotubes Coated Quartz Crystal Microbalance

2015 ◽  
Vol 13 (6) ◽  
pp. 449-455 ◽  
Author(s):  
Ngo Xuan Dinh ◽  
Le Anh Tuan ◽  
Nguyen Van Quy
Keyword(s):  
Carbon Nanotubes ◽  
Organic Compound ◽  
Quartz Crystal Microbalance ◽  
Room Temperature ◽  
Quartz Crystal ◽  
Multi Wall Carbon Nanotubes

Fabrication of Diamond Based Quartz Crystal Microbalance Gas Sensor

2014 ◽  
Vol 605 ◽  
pp. 589-592 ◽  
Author(s):  
Marián Varga ◽  
Alexandr Laposa ◽  
Pavel Kulha ◽  
Marina Davydova ◽  
Jiri Kroutil ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Quartz Crystal Microbalance ◽  
Room Temperature ◽  
Quartz Crystal ◽  
Microwave Plasma ◽  
Natural Diamond ◽  
Chemical Vapor ◽  
Mass Sensor ◽  
Mass Sensors ◽  
Optical Mirrors

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.

CARBON NANOTUBE-GRAFT-POLY(CITRIC ACID) NANOCOMPOSITES

NANO ◽  
2008 ◽  
Vol 03 (01) ◽  
pp. 37-44 ◽  
Author(s):  
MOHSEN ADELI ◽  
ALI BAHARI ◽  
HODA HEKMATARA
Keyword(s):  
Carbon Nanotubes ◽  
Silver Nanoparticles ◽  
Citric Acid ◽  
Room Temperature ◽  
Water Solution ◽  
Degree Of Polymerization ◽  
Multi Wall Carbon Nanotubes ◽  
Hyperbranched Poly ◽  
Acid Ratio ◽  
Biodegradable Nanocomposites

Novel biodegradable nanocomposites containing multi wall carbon nanotubes (MWCNT) and poly(citric acid) (PCA) were successfully synthesized. For preparation of nanocomposites, MWCNT was opened using a mixture of sulfuric and nitric acid and its derivative containing – COOH and – OH functional groups was obtained. Polycondensation of monohydrate citric acid in the presence of functionalized MWCNT in the melting state was lead to nanotube-graft-poly(citric acid) (CNT-g-PCA) nanocomposites. The degree of polymerization of grafted hyperbranched poly(citric acid) onto the CNTs was controlled using CNT/citric acid ratio. The CNT-g-PCA were soluble in water freely and stirring their water solution and silver nitrate at room temperature lead to the CNT-g-PCA containing encapsulated silver nanoparticles in their polymeric shell. The structure of nanocomposites was characterized by TEM, DLS and spectroscopy methods.

Modifying the response of a polymer-based quartz crystal microbalance hydrocarbon sensor with functionalized carbon nanotubes

Talanta ◽  
2011 ◽  
Vol 85 (3) ◽  
pp. 1648-1657 ◽  
Author(s):  
Bobby Pejcic ◽  
Matthew Myers ◽  
Nilukshi Ranwala ◽  
Leigh Boyd ◽  
Murray Baker ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Quartz Crystal Microbalance ◽  
Quartz Crystal ◽  
Functionalized Carbon Nanotubes

scholarly journals Intense pulsed light-based synthesis of hybrid TiO2–SnO2/MWCNT doped Cu-BTC for room temperature ammonia sensing

2020 ◽  
Vol 8 (22) ◽  
pp. 7567-7574 ◽  
Author(s):  
Danny Wong ◽  
Osama Abuzalat ◽  
Sherif Mostafa ◽  
Simon S. Park ◽  
Seonghwan Kim
Keyword(s):  
Quartz Crystal Microbalance ◽  
Room Temperature ◽  
Quartz Crystal ◽  
Intense Pulsed Light ◽  
Pulsed Light ◽  
Ammonia Sensing

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

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