Reversible near-infrared fluorescence switch by novel photochromic unsymmetrical-phthalocyanine hybrids based on bisthienyletheneElectronic supplementary information (ESI) available: experimental details, synthetic and spectroscopic data. See http://www.rsc.org/suppdata/cc/b2/b200718e/

Abstract

A novel family of photochromic hybrids, 2,3-bis(2,5-dimethyl-3-thienyl) unsymmetrical-phthalocyanines (BTE-uPcs), which show a photoregulating fluorescence switch in the near-infrared spectral region were synthesized by a concise route.