Design of interpenetrated network MWCNT/poly(1,5-DAN) on interdigital electrode: Toward NO2 gas sensing

Organic–Inorganic Hybrid Nanocomposite-Based Gas Sensors for Environmental Monitoring

“…Nguyen et al 178 prepared an interpenetrated network of MWCNT-poly(1,5-DAN) on IDE for NO 2 sensing (Figure 20). The MWCNT dispersed in Nafion was drop-coated onto Pt-IDE, followed by electro-polymerization of poly(1,5-DAN).…”

Modified Electrodes Used for Electrochemical Detection of Metal Ions in Environmental Analysis

“…Figure 11 presents the corresponding SWVs and calibration curve. The same group also demonstrated a new approach to fabricate CPs/CNTs hybrid using a mixture of Nafion ® (DuPont, Wilmington, DE, USA) and MWCNTs first deposited on the electrode surface, followed by 1,5-DAN electropolymerization [ 100 , 101 ], for determination of Cd 2+ and Pb 2+ by SWASV over the range 4–150 µg·L − 1 and LoDs of 3.2 and 2.1 µg·L − 1 for Cd 2+ and Pb 2+ , respectively.…”

One‐step Electrosynthesis of Poly(1,5‐diaminonaphthalene)/Graphene Nanocomposite as Platform for Lead Detection in Water

“…As shown, the most intense peak current signaling Pb 2+ was obtained at the poly(1,5‐DAN)/RGO/Pt electrode. Comparison of these CVs allowed to ascribe the enhancement of peak current between curve b and curve d to RGO, namely to the high specific area and high electrical conductivity brought by RGO within the poly(1,5‐DAN) layer, while the polymer was able to chelate Pb 2+ via its free amino groups .…”

“…However, poly(DAN) suffers from low electrical conductivity and high compactness that could limit the diffusion of the target analytes and therefore could diminish the sensor performances. To further improve these performances, poly(1,5‐DAN) was used in composites with various materials like metal nanoparticles or carbon nanotubes (CNTs) . CNTs were also used after functionalization with ionophores, for example 2‐(5‐bromo‐2‐pyridylazo)‐5‐diethylaminophenol .…”