摘要：conjugated polymers exhibit exceptional adaptability in flexible thin-film transistors,owing to their inherent flexibility and high charge ***,achieving conjugated polymers that demonstrate both high mobility and stability under mechanical stress,such as bending or stretching,remains a significant *** this study,we synthesized an ethylene-bridged conjugated polymer,PdPPVIdT,derived from methyl-side diketopyrrolopyrrole(dPP)and indacenodithiophene(IdT)aldehydes,using an environmentally friendly Knoevenagel condensation reaction under mild conditions,resulting in a moderate yield with promising *** characterization techniques revealed enhanced backbone planarity with stableπ-πstacking,while thin films of PdPPVIdT displayed a nearamorphous nature due to the conformational isomerism of the ethylene *** structure enables simultaneous charge transport and ***,flexible organic thinfilm transistor(OTFT)devices based on PdPPVIdT demonstrated excellent hole mobility(μh)reaching up to 1.70 cm^(2) V^(−1) s^(−1),along with high mechanical bending *** work underscores the potential of vinyl-bridged donor-acceptor conjugated polymers,highlighting the industrial adaptability of their production process and offering new insights for the design and synthesis of future flexible electronic materials.