Research output: Contribution to journal › Article › peer-review
Preparation of single walled carbon nanotube-pyrene 3D hybrid nanomaterial and its sensor response to ammonia. / Şenocak, Ahmet; Göl, Cem; Basova, Tamara V. et al.
In: Sensors and Actuators, B: Chemical, Vol. 256, 01.03.2018, p. 853-860.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Preparation of single walled carbon nanotube-pyrene 3D hybrid nanomaterial and its sensor response to ammonia
AU - Şenocak, Ahmet
AU - Göl, Cem
AU - Basova, Tamara V.
AU - Demirbaş, Erhan
AU - Durmuş, Mahmut
AU - Al-Sagur, Hadi
AU - Kadem, Burak
AU - Hassan, Aseel
PY - 2018/3/1
Y1 - 2018/3/1
N2 - In this work, the structural features and sensor response toward ammonia of a three dimensional (3D) SWCNTs material covalently functionalised with 1,6-diethynylpyrene were studied. The target SWCNTs hybrid material was prepared by the reaction of azido substituted SWCNTs with 1,6-diethynylpyrene containing double terminal alkyne groups via the azide-alkyne Huisgen cycloaddition (Click) reaction. The structure of the 1,6-diethynylpyrene compound was determined by different spectroscopic methods such as FT-IR, 1H NMR, MALDI-TOF mass and UV–vis, while its SWCNT-Pyrene 3D hybrid material was characterized by FT-IR, Raman, UV–vis spectroscopies and thermogravimetric analysis. The morphology of the hybrid films was investigated by scanning electron microscope (SEM) and transmission electron microscope (TEM). The sensing performance of the SWCNT-Pyrene 3D hybrid material was studied against low-concentrations of NH3 in the range of 0.1–40 ppm by measuring changes in the films' conductivity at different levels of relative humidity. The reversible electrical sensor response toward ammonia was observed both in the case of SWCNT and SWCNT-Pyrene 3D hybrid films, however the response values of SWCNT-Pyrene 3D hybrid film were higher than those of SWCNT.
AB - In this work, the structural features and sensor response toward ammonia of a three dimensional (3D) SWCNTs material covalently functionalised with 1,6-diethynylpyrene were studied. The target SWCNTs hybrid material was prepared by the reaction of azido substituted SWCNTs with 1,6-diethynylpyrene containing double terminal alkyne groups via the azide-alkyne Huisgen cycloaddition (Click) reaction. The structure of the 1,6-diethynylpyrene compound was determined by different spectroscopic methods such as FT-IR, 1H NMR, MALDI-TOF mass and UV–vis, while its SWCNT-Pyrene 3D hybrid material was characterized by FT-IR, Raman, UV–vis spectroscopies and thermogravimetric analysis. The morphology of the hybrid films was investigated by scanning electron microscope (SEM) and transmission electron microscope (TEM). The sensing performance of the SWCNT-Pyrene 3D hybrid material was studied against low-concentrations of NH3 in the range of 0.1–40 ppm by measuring changes in the films' conductivity at different levels of relative humidity. The reversible electrical sensor response toward ammonia was observed both in the case of SWCNT and SWCNT-Pyrene 3D hybrid films, however the response values of SWCNT-Pyrene 3D hybrid film were higher than those of SWCNT.
KW - 3D carbon nanomaterials
KW - Ammonia vapour
KW - Chemiresistive sensors
KW - Covalent functionalization
KW - Pyrene
KW - METAL-PHTHALOCYANINE
KW - GAS
KW - ADSORPTION
UR - http://www.scopus.com/inward/record.url?scp=85031128341&partnerID=8YFLogxK
U2 - 10.1016/j.snb.2017.10.012
DO - 10.1016/j.snb.2017.10.012
M3 - Article
AN - SCOPUS:85031128341
VL - 256
SP - 853
EP - 860
JO - Sensors and Actuators, B: Chemical
JF - Sensors and Actuators, B: Chemical
SN - 0925-4005
ER -
ID: 9892705