A green two-step liquid-assisted-grinding coassembly (LAGC) process is applied in fabricating tetracene-octafluoronaphthalene (TC-OFN) cocrystals from solubility-mismatched pairs of tetracenes and octafLU, which verifies the successful barrier function of OFN molecules in interrupting the well-known singlet fission in TC solids. Developing …