Ultrasensitive and robust organic gas sensors through dual hydrogen bonding

Author:

Zhou Jin12345,Lin Hongzhen678910,Cheng Xue-Feng12345,Shu Jie115910,He Jing-Hui12345,Li Hua12345,Xu Qing-Feng12345,Li Na-Jun12345,Chen Dong-Yun12345,Lu Jian-Mei12345ORCID

Affiliation:

1. College of Chemistry

2. Chemical Engineering and Materials Science

3. Collaborative Innovation Center of Suzhou Nano Science and Technology

4. National United Engineering Laboratory of Functionalized Environmental Adsorption Materials

5. Soochow University

6. i-LAB

7. Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO)

8. Chinese Academy of Sciences

9. Suzhou 215123

10. P. R. China

11. Analysis and Testing Center

Abstract

A dual hydrogen bonding-inspired polysquaramide sensor is able to detect ammonia as low as 10 ppt, the lowest among all ammonia sensors to date, and sense nitric oxide as low as 20 ppb. The sensor has outstanding robustness regarding selectivity, time-stability (>240 days), superior to other benchmarked organic electric sensors.

Funder

National Natural Science Foundation of China

Suzhou Municipal Science and Technology Bureau

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

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