4.3 Article

Soft mimic gear-shift with a multi-stimulus modified diarylethene

Journal

JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 32, Pages 5726-5729

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b908707a

Keywords

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Funding

  1. National Basic Research 973 Program [2006CB806200]
  2. NSFC/China [50673025]
  3. Scientific Ministry of China [2008DFA41390]
  4. Scientific Committee of Shanghai

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A novel gated photochromic compound Nap-Pip-DTE was prepared to mimic a soft gear-shift based on alternative UV/Vis irradiation, protonation/deprotonation and copper (II) ion complexation/dissociation. The fluorescence and absorption spectra were used as output signals. Copper ( II) ion was introduced to mimic the parking (P) state by complexation with two intramolecular piperazine moieties of Nap-Pip-DTE, transforming diarylethene moieties into the photo-inactive parallel form.

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