Hexamethylenetetramine-mediated TiO2 films: Facile chemical synthesis strategy and their use in nitrogen dioxide detection

Hexamethylenetetramine (HMT)-mediated rutile and polycrystalline TiO2 films are directly grown on a glass substrate by a simple chemical wet deposition method at ambient temperature. After confirming the crystallinity, phase-purity and surface morphology, as-grown TiO2 films were explored for a vari...

Full description

Saved in:
Bibliographic Details
Published in:Materials letters 2016-06, Vol.173, p.9-12
Main Authors: Navale, S.T., Tehare, K.K., Shaikh, S.F., Patil, V.B., Pawar, B.N., Naushad, Mu, Stadler, F.J., Mane, R.S.
Format: Article
Language:English
Subjects:
Crystallinity
Deposition
Gas sensor
Hexamethylenetetramine
Methyl alcohol
Microstructure
Nanoparticles
Nitrogen dioxide
Sensors
Strategy
Titanium dioxide
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Hexamethylenetetramine (HMT)-mediated rutile and polycrystalline TiO2 films are directly grown on a glass substrate by a simple chemical wet deposition method at ambient temperature. After confirming the crystallinity, phase-purity and surface morphology, as-grown TiO2 films were explored for a variety of target gases including nitrogen dioxide, methanol, ethanol and ammonia at different temperatures for confirming the sensor application potential. The TiO2 film shows a maximum response of 43% to 100ppm NO2@180°C with fast response time of 16s. In addition, the TiO2 sensor film has potential to detect concentration of NO2 as low as 10ppm. [Display omitted] •Facial synthesis strategy for the formation polycrystalline TiO2 films.•XRD and Raman analysis confirms the rutile phase of TiO2.•TiO2 films were highly sensitive and selective towards NO2 gas@180°C.•TiO2 film is able to detect as low as 10ppm NO2 concentration.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2016.02.140