@misc{10481/58270,
year = {2019},
month = {10},
url = {http://hdl.handle.net/10481/58270},
abstract = {In this paper, we demonstrate the feasibility of realization of transparent gas sensors based
on carbon nanotubes (CNTs). Both sensing layer and electrodes consist of CNTs deposited by spray
deposition. The transparent sensor—with a transmittance higher than 60% in both sensing layer
and electrodes—is characterized towards NH3 and CO2 and compared with a reference sensor with
the same active layer but evaporated Au electrodes. In particular, the sensitivity towards NH3 is
virtually identical for both reference and transparent sensors, whereas the transparent device exhibits
higher sensitivity to CO2 than the reference electrode. The effect of the spacing among consecutive
electrodes is also studied, demonstrating that a wider spacing in fully CNT based sensors results
in a higher sensitivity because of the higher sensing resistance, whereas this effect was not observed
in gold electrodes, as their resistance can be neglected with respect to the resistance of the CNT
sensing layer. Overall, the transparent sensors show performance comparable—if not superior—to
the traditionally realized ones, opening the way for seamlessly integrated sensors, which do not
compromise on quality.},
organization = {This work has been partially supported by the fellowship H2020-MSCA-IF-2017-794885-SELFSENS and
the TUM Graduate School},
publisher = {MDPI},
keywords = {Ammonia},
keywords = {Single-walled},
keywords = {Spray deposition},
keywords = {Transparent electrodes},
title = {Fully Transparent Gas Sensor Based on Carbon Nanotubes},
doi = {10.3390/s19204591},
author = {Loghin, Florin and Salmeron, José and Rivadeneyra Torres, Almudena},
}