Dual and sequential locked/unlocked photo-switching effects on FRET processes by tightened/loosened nano-loops of diarylethene-based [1]rotaxanes

Trang Manh Khang; Pham Quoc Nhien; Tu Thi Kim Cuc; Chia-Hua Wu; Bui Thi Buu Hue; Judy I Wu; Yaw-Kuen Li; Hong-Cheu Lin

doi:10.1039/d2cc06285b

Dual and sequential locked/unlocked photo-switching effects on FRET processes by tightened/loosened nano-loops of diarylethene-based [1]rotaxanes

Chem Commun (Camb). 2023 Jan 5;59(4):466-469. doi: 10.1039/d2cc06285b.

Authors

Trang Manh Khang¹, Pham Quoc Nhien^{1

2}, Tu Thi Kim Cuc¹, Chia-Hua Wu¹, Bui Thi Buu Hue², Judy I Wu³, Yaw-Kuen Li^{4

5}, Hong-Cheu Lin^{1

5}

Affiliations

¹ Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan. linhc@nycu.edu.tw.
² Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho City, Vietnam.
³ Department of Chemistry, University of Houston, Houston, Texas 77204, USA.
⁴ Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan.
⁵ Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan.

PMID: 36519452
DOI: 10.1039/d2cc06285b

Abstract

The self-trapping nano-loop structures of [1]rotaxanes exhibited multiple Förster resonance energy transfer (FRET) patterns via dual and sequential locking/unlocking of pH-gated and UV exposure processes. As a tightened and constrained nano-loop in the acidic condition, dithienylethene (DTE) unit was locked in the highly bending open form to forbid ring closure upon UV irradiation.

MeSH terms

Fluorescence Resonance Energy Transfer*
Rotaxanes* / chemistry
Ultraviolet Rays

Substances

Rotaxanes