CQDs Composite Sensing Film

Toluene fluorescence enhancement

A porous carboxymethyl cellulose film loaded with imidazole/betaine carbon quantum dots that shows specific fluorescence enhancement to toluene vapor, unlike common quenching-type sensors.

Zhao, Tengda · Liang, Han · Benzhen, Jia · Qing, Li · Xiaoyu, Huang · Hongyu, Dong · Ren, Hongwei · Zhang, Jinfeng

International Journal of Biological Macromolecules 2024

Specifications

检测限
{'zh': '1.169', 'en': ''} mg/L
Linear range
{'zh': '', 'en': '2200'} mg/L

Advantages

Fluorescence intensity proportional to toluene concentration