Fig. 3: Schematic diagram to show the formation of electron–hole pairs in crystalline lattice through Coulomb capture between minority electrons and majority holes toward generating crystalline charge-transfer excitons (CTE) in p-type organic crystal under n-type doping. | Nature Communications

Fig. 3: Schematic diagram to show the formation of electron–hole pairs in crystalline lattice through Coulomb capture between minority electrons and majority holes toward generating crystalline charge-transfer excitons (CTE) in p-type organic crystal under n-type doping.

From: Spin-orbital coupling and slow phonon effects enabled persistent photoluminescence in organic crystal under isomer doping

Fig. 3

Isomer molecules are functioning as n-type dopants to donate electrons into p-type organic crystal.

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