Formaldehyde recognition through aminal formation in a luminescent metal-organic framework.

Jia-Li Li Xiao Xiong Dong LuoYu-Bai WeiWeigang Lu Dan Li

Published in: Chemical communications (Cambridge, England) (2022)

Two isostructural pillar-layer MOFs (JNU-105 and JNU-105-(NH2)2) have been successfully synthesized. JNU-105-(NH2)2 exhibits a red-shifted luminescence "turn on" for formaldehyde without the interference from other VOCs and a detection limit of 1.87 ppb. In situ single-crystal transformation studies confirm the aminal formation on the pillar linker, which was attributed to the exclusive luminescence response toward formaldehyde.

Keyphrases

metal organic framework
room temperature
quantum dots
energy transfer
ionic liquid
sensitive detection
loop mediated isothermal amplification
fluorescent probe
label free
light emitting
living cells
real time pcr
single molecule