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@ARTICLE{Corotti:454622,
author = {Corotti, Raquel De Paiva and Cunha, Bruno Barros and
Barreto, Rafael Carvalho and Coelho Conceicao, Andre Luiz
and Kamikawachi, Ricardo},
title = {{D}iphenylalanine {N}anotube {C}oated {F}iber {B}ragg
{G}rating for {M}ethanol {V}apor {D}etection},
journal = {IEEE sensors journal},
volume = {20},
number = {3},
issn = {1530-437X},
address = {New York, NY},
publisher = {IEEE},
reportid = {PUBDB-2021-00624},
pages = {1290 - 1296},
year = {2020},
abstract = {Etched fiber Bragg grating (EFBG) was coated with
diphenilalanine nanotubes (DNT) to produce sensors capable
of detecting methanol in methanol-ethanol blend vapors. The
DNT was studied in two phases, hexagonal and orthorhombic,
which were observed by Raman spectroscopy and scanning
electron microscopy (SEM). The temperature transition
between the phases was determined through small angle x-ray
scattering (SAXS). Considering the methanol concentration in
the vapor, the orthorhombic phase showed a sensitivity of
-7.3 ± 0.8pm / $(\%v/v),$ which was 33 times greater than
that observed for the hexagonal phase, with approximately
the same response time. The maximum wavelength shift
measured was -0.98 ± 0.02nm. Additionally, we proposed a
mathematical model to describe the sensor's response, and we
hypothesized the mechanisms that could lead to its nonlinear
behavior.},
cin = {FS-PET-D},
ddc = {004},
cid = {I:(DE-H253)FS-PET-D-20190712},
pnm = {6215 - Soft Matter, Health and Life Sciences (POF3-621)},
pid = {G:(DE-HGF)POF3-6215},
experiment = {EXP:(DE-MLZ)External-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000522354200019},
doi = {10.1109/JSEN.2019.2946123},
url = {https://bib-pubdb1.desy.de/record/454622},
}