Fig. 4. Integrated PL emission intensity as a function of temperature (inset: temperature-dependent PL spectra from 120 to 300 K): (A) Tpe-COF, (B) Tet-COF, (C) Py-COF, (D) Tpe-hCOF, (E) Tet-hCOF and (F) Py-hCOF.
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