Multi-stimuli-responsive field-effect transistors (FETs) with organic/polymeric semiconductors have received increasing attention. Herein, we report a novel strategy for fabricating multi-stimuli-responsive polymeric semiconductors through the incorporation of spiropyran (SP) groups in the polymer side chains. The semiconducting performances of resultant FETs with a diketopyrrolopyrroles (DPP)-based conjugated donor–acceptor (D–A) polymer, that entails SP units in the side chains ( pDSP-1), could be modulated reversibly through UV and visible light irradiations, or UV light irradiation and heating, or acid treatment and heating. Our studies reveal that during the reversible transformations of closed, open, and the protonated forms of spiropyran, achieved by light irradiations, heating, and under acidic conditions, a large dipole moment changes occur, which triggers the reversible variation of semiconducting performance of the FETs.

中文翻译：

---

带有共轭聚合物并在侧链中带有螺吡喃的多刺激响应场效应晶体管

具有有机/聚合物半导体的多刺激响应场效应晶体管（FET）受到越来越多的关注。在本文中，我们报告了通过在聚合物侧链中掺入螺吡喃（SP）基团来制造多刺激响应聚合物半导体的新策略。合成的场效应管与基于二酮吡咯并吡咯（DPP）的共轭施主-受主（DA）聚合物（在侧链中包含SP单元）（pDSP-1）的半导体性能可以通过紫外线和可见光照射进行可逆调节，或紫外线照射和加热，或酸处理和加热。我们的研究表明，在闭环，开环和质子化螺吡喃的可逆转化过程中，可以通过光照射，加热和在酸性条件下实现，