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New PEDOT Derivatives Electrocoated on Silicon Nanowires Protected with ALD Nanometric Alumina for Ultrastable Microsupercapacitors.

ABSTRACT: This work deals with electroactive conducting polymers (ECPs) used as a complementary component on purely capacitive silicon nanowires protected by a 3 nm alumina layer. Accordingly, in this work, we use a fast and simple deposition method to create a pseudocapacitive material based on the electropolymerization in aqueous micellar media (SDS and SDBS 0.01 M) of hydroxymethyl-EDOT (EDOT-OH) onto 3 nm alumina-coated silicon nanowires (Al₃@SiNWs). The composite material displays remarkable capacitive behavior with a specific capacitance of 4.75 mF·cm^-2 at a current density of 19 µA·cm^-2 in aqueous Na₂SO₄ electrolyte.

SUBMITTER: Dietrich M

PROVIDER: S-EPMC9456597 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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New PEDOT Derivatives Electrocoated on Silicon Nanowires Protected with ALD Nanometric Alumina for Ultrastable Microsupercapacitors.

Dietrich Marc M Paillardet Loïc L Valero Anthony A Deschanels Mathieu M Azaïs Philippe P Gentile Pascal P Sadki Saïd S

Materials (Basel, Switzerland) 20220830 17

This work deals with electroactive conducting polymers (ECPs) used as a complementary component on purely capacitive silicon nanowires protected by a 3 nm alumina layer. Accordingly, in this work, we use a fast and simple deposition method to create a pseudocapacitive material based on the electropolymerization in aqueous micellar media (SDS and SDBS 0.01 M) of hydroxymethyl-EDOT (EDOT-OH) onto 3 nm alumina-coated silicon nanowires (Al<sub>3</sub>@SiNWs). The composite material displays remarkab ...[more]

PMID: 36079375

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