Dual-Mode Fluorescence Modulation Using Ferrocene-Dithienylethene-Pyromellitic Diimide-Based Photoswitchable Material: Applications in Cascaded Molecular Logic and in Deciphering Secret Codes.

Subhendu Jana, Sayan Kumar Bag, Santanab Giri, Arunabha Thakur

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Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Subhendu JanaDepartment of Chemistry, Jadavpur University, Kolkata, India.

Sayan Kumar BagDepartment of Chemistry, Jadavpur University, Kolkata, India.

Santanab GiriDepartment of Applied Science and Humanities, Haldia Institute of Technology, Haldia.ORCID https://orcid.org/0000-0002-5155-8819

Arunabha ThakurDepartment of Chemistry, Jadavpur University, Kolkata, India.ORCID https://orcid.org/0000-0003-4577-3683

Funding

WBDST&BT 1436(Sanc.)/STBT-11012(25)/16/2024-STSEC

6 · The paper itself

Abstract

In the present study, we have developed a ferrocene-pyromellitic diimide-dithienylethene (Fc-PmDI-DTE)-based multifunctional triad in a nonconjugated manner to achieve dual mode of fluorescence switching via photoinduced electron transfer (PET) and Förster resonance energy transfer (FRET) mechanism. The photoinduced reversible fluorescence switching was accomplished by the photoisomerization of DTE under irradiation of light with an excellent photocyclization and cycloreversion quantum yield in solution as well as solid state. At photostationary state (PSS), the cyclization conversion yield was found to be 94.3%, demonstrating the high efficiency of the photochromic process. Further, the PET mediated fluorescence switching of PmDI fluorophore was achieved via reversible oxidation and reduction of ferrocene (Fc) using Fe(ClO

Indexed as

anticounterfeitingdithienyletheneförster resonance energy transferlogic gatesmultifunctional photoswitchphotoinduced electron transfer

Identifiers

PMID42212736

DOI10.1002/chem.71176

PMCPMC13569976

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