Abstract
Ratiometric luminescence sensing has received particular attention as a technique with potential to provide precise and quantitative analyses. In this work, lanthanide coordination polymer Terp-TMC-Ln was synthesized, and tunable emission colors were achieved by altering the Eu3+/Tb3+ molar ratio. Besides, the appropriate triplet excited state energy of the terpyridine unit and the hydrogen bonding site of amide moiety enable Terp-TMC-Eu1Tb1 an ideal ratiometric and colorimetric luminescent anion sensor, to sensor and visualize H2PO4− over a wide concentration range.
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