Cellulose Nanopaper Cross-Linked Amino Graphene/Polyaniline Sensors to Detect CO2 Gas at Room Temperature

被引：22

作者：

Abdali, Hanan ^{[1
,2
]}

Heli, Bentolhoda ^{[1
]}

Ajji, Abdellah ^{[1
]}

机构：

[1] Polytech Montreal, Dept Chem Engn, CREPEC, NSERC Ind Chair,Stn Ctr Ville, POB 6079, Montreal, PQ H3C 3A7, Canada

[2] Minist Educ, POB 225085, Riyadh 11153, Saudi Arabia

来源：

SENSORS | 2019年 / 19卷 / 23期

基金：

加拿大自然科学与工程研究理事会;

关键词：

cellulose nanopaper; polyaniline; nanocomposites; functionalized graphene; CO2; sensing; GRAPHENE-BASED MATERIALS; BACTERIAL CELLULOSE; SENSING PERFORMANCE; HYBRID MATERIALS; OXIDE; POLYANILINE; NANOPARTICLES; NANOMATERIALS; SENSITIVITY; FIBERS;

D O I：

10.3390/s19235215

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A nanocomposite of cross-linked bacterial cellulose-amino graphene/polyaniline (CLBC-AmG/PANI) was synthesized by covalent interaction of amino-functionalized graphene (AmG) AmG and bacterial cellulose (BC) via one step esterification, and then the aniline monomer was grown on the surface of CLBC-AmG through in situ chemical polymerization. The morphological structure and properties of the samples were characterized by using scanning electron microscopy (SEM), and thermal gravimetric analyzer (TGA). The CLBC-AmG/PANI showed good electrical-resistance response toward carbon dioxide (CO2) at room temperature, compared to the BC/PANI nanopaper composites. The CLBC-AmG/PANI sensor possesses high sensitivity and fast response characteristics over CO2 concentrations ranging from 50 to 2000 ppm. This process presents an extremely suitable candidate for developing novel nanomaterials sensors owing to easy fabrication and efficient sensing performance.

引用

页数：10

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