2024
DOI: 10.1002/advs.202308483
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High‐Performance Room Temperature Ammonia Sensors Based on Pure Organic Molecules Featuring B‐N Covalent Bond

Qian Wang,
Meilong Wang,
Kunpeng Zheng
et al.

Abstract: Exploring organic semiconductor gas sensors with high sensitivity and selectivity is crucial for the development of sensor technology. Herein, for the first time, a promising chemiresistive organic polymer P‐BNT based on a novel π‐conjugated triarylboron building block is reported, showcasing an excellent responsivity over 30 000 (Ra/Rg) against 40 ppm of NH3, which is ≈3300 times higher than that of its B‐N organic small molecule BN‐H. More importantly, a molecular induction strategy to weaken the bond dissoc… Show more

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