Toward Eco-friendly Green Organic Semiconductors: Recent Advances in Spiro[fluorene-9,9′-xanthene] (SFX)-Based Optoelectronic Materials and Devices

Toward Eco-friendly Green Organic Semiconductors: Recent Advances in Spiro[fluorene-9,9′-xanthene] (SFX)-Based Optoelectronic Materials and Devices