Abstract: Disclosed are a photoacid generator, a photoresist composition including the same, and a method of preparing the photoacid generator. The photoacid generator may include a compound represented by Formula 1: wherein, in Formula 1, CY, A1, A2, and B are respectively described in the specification.

Abstract: The present disclosure provides a multi-functional electronic device with a black phosphorous-based single channel, wherein the device comprises: a black phosphorous-based single channel layer including a horizontal arrangement of a first semiconductor region and a second semiconductor region to define a horizontal junction therebetween, wherein the second semiconductor region has a lower hole-carrier density than the first semiconductor region; a first electrode connected to the first semiconductor region; a second electrode spaced from the first electrode and connected to the second semiconductor region; an ionic gel layer disposed on the first semiconductor region; and a gate electrode for receiving a gate voltage to generate an electric field in the channel layer.

Abstract: The present disclosure provides a multi-functional electronic device with a black phosphorous-based single channel, wherein the device comprises: a black phosphorous-based single channel layer including a horizontal arrangement of a first semiconductor region and a second semiconductor region to define a horizontal junction therebetween, wherein the second semiconductor region has a lower hole-carrier density than the first semiconductor region; a first electrode connected to the first semiconductor region; a second electrode spaced from the first electrode and connected to the second semiconductor region; an ionic gel layer disposed on the first semiconductor region; and a gate electrode for receiving a gate voltage to generate an electric field in the channel layer.