Continuous Flow Chemistry and Bayesian Optimization for Polymer-Functionalized Carbon Nanotube-Based Chemiresistive Methane Sensors.

ABSTRACT: We report the preparation of poly(ionic) polymer-wrapped single-walled carbon nanotube dispersions for chemiresistive methane (CH₄) sensors with improved humidity tolerance. Single-walled CNTs (SWCNTs) were noncovalently functionalized by poly(4-vinylpyridine) (P4VP) with varied amounts of a poly(ethylene glycol) (PEG) moiety bearing a Br and terminal azide group (Br-R₁). The quaternization of P4VP with Br-R₁ was performed using continuous flow chemistry and Bayesian optimization-guided reaction selection. Polymers (PyBrR₁) with different degrees of functionalization were used to disperse SWCNTs and subsequently incorporated into sensors containing a platinum complex as an aerobic oxidative catalyst with a polyoxometalate (POM) redox mediator to

SUBMITTER: Dunlap JH 

PROVIDER: S-EPMC11647762 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature