期刊论文

Gao, Tian;Xu, Huan;Liu, Y

英文

Advanced Optical Materials

2195-1071

2024

12

3

2301470-

10.1002/adom.202301470

This research was financially supported by funds from the Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials (Wuhan University of Science and Technology) (WKDM202110), the Chutian Scholar Program of Hubei Province of China (2021) [WKDM202110]; Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials (Wuhan University of Science and Technology); Chutian Scholar Program of Hubei Province of China [B2021014]; Department of Education of Hubei Province of China [22005229]; National Natural Science Foundation of China

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The one‐step mildly synthesized carbon dots (CDs) achieve reversible switching between cyan and orange‐red emission by adjusting the [H+] under extremely acidic conditions. In combination with a smartphone, a fluorescent sensor is built based on CDs for the successful on‐spot visual detection of [H+]. Abstract It is a significant challenge to develop acidity probes suitable for use in extremely acidic conditions, especially to achieve real‐time on‐site detection. In this work, carbon dots (CDs) are synthesized on a gram‐scale under mild c...