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A reductive nanospiked covalent organic framework for tri-modal detection and extraction of gold
Gang Deng1, Zishao Wang1, Jiahui Liu2
1School of Chemical Science and Technology, Yunnan University, Kunming 650091, China. lirong.sheng@ynu.edu.cn.
Chemical Communications (Cambridge, England)
|August 11, 2026
Abstract:
A reductive nanospiked covalent organic framework (ETTA-TDA-COF) was developed for efficient gold recovery (828.08 mg g-1) and tri-modal sensing. Rapid in situ reduction of Au3+ to Au0 triggers changes in color, surface-enhanced Raman scattering (SERS), and Rayleigh scattering, showing excellent linearity with gold concentrations.
