SizeResGraph-Guided GFN2-xTB Screening of Low-Gap Thiophene-Containing Polymer Repeat Units
Abstract Low-gap conjugated polymers are widely studied for optoelectronic applications, but their vast repeat-unit space makes exhaustive quantum-chemical screening impractical. We developed SizeResGraph, a directed-bond graph neural network with a bounded size-dependent readout, to rank thiophene-containing repeat un...