Fluorescent Molecular Logic Gates Driven by Temperature and by Protons in Solution and on Solid

Matthew E S West, Chao-Yi Yao, Gavin Melaugh, Kyoko Kawamoto, Seiichi Uchiyama, A Prasanna de Silva*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Temperature-driven fluorescent NOT logic is demonstrated by exploiting predissociation in a 1,3,5-trisubstituted Δ 2 -pyrazoline on its own and when grafted onto silica microparticles. Related Δ 2 -pyrazolines become proton-driven YES and NOT logic gates on the basis of fluorescent PET (photoinduced electron transfer) switches. Additional PASS 1 and YES + PASS 1 logic gates on silica are also demonstrated within the same family. Beside these small-molecule systems, a polymeric molecular thermometer based on a benzofurazan-derivatized N-isopropylacrylamide copolymer is attached to silica to produce temperature-driven fluorescent YES logic.
Original languageEnglish
JournalChemistry - A European Journal
Early online date7 Jul 2021
DOIs
Publication statusE-pub ahead of print - 7 Jul 2021

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