Design and Synthesis of a New Class of Photochromic Diarylethene‐Containing Dithieno[3,2‐b:2′,3′‐d]pyrroles and Their Switchable Luminescence Properties

Switch the lights on and off! A new series of photochromic diarylethene-containing dithieno[3,2-b:2′,3′-d]pyrroles has been synthesized through Suzuki cross-coupling reactions and characterized. They display significant photoswitching luminescence behavior upon UV excitation (see scheme). Photophysical, photochromic, electrochemical, and computational studies have also been performed.