Solid-state optical sensing of ultra-trace Hg2+ ions using chromoionophoric probe anchored silica monolithic architectures

[Display omitted] •Tailor-made porous silica monolithic designs as solid-state optical sensors for ultra-trace Hg2+ sensing.•Silica monolithic templates offer high surface area and porosity for uniform probe anchoring.•Solid-state sensors exhibit rapid response kinetics of ≤ 4 min for Hg2+ detection...

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