In this study, we synthesized three simple and inexpensive (34–120 USD/g) 3,3′-bicarbazole-based hole transporting materials (BC-HTMs; NP-BC, NBP-BC and PNP-BC) through a metal-free oxidative coupl... Click to show full abstract
In this study, we synthesized three simple and inexpensive (34–120 USD/g) 3,3′-bicarbazole-based hole transporting materials (BC-HTMs; NP-BC, NBP-BC and PNP-BC) through a metal-free oxidative coupl...
               
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