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Bilayer Structure with Ultrahigh Energy/Power Density Using Hybrid Sol–Gel Dielectric and Charge‐Blocking Monolayer

Bilayer Structure with Ultrahigh Energy/Power Density Using Hybrid Sol–Gel Dielectric and... A hybrid sol–gel dielectric bilayer structure yields a maximum energy density of 40 J cm−3 with a high extraction efficiency. The silica sol–gel dielectric is coated by an alkylphosphonic acid monolayer, as a charge‐blocking layer. The dense monolayer suppresses charge injection and electrical conduction, leading to high energy extraction efficiency, which exhibits nearly linear dielectric behavior suitable for high energy density applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Bilayer Structure with Ultrahigh Energy/Power Density Using Hybrid Sol–Gel Dielectric and Charge‐Blocking Monolayer

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Publisher
Wiley
Copyright
Copyright © 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201500767
Publisher site
See Article on Publisher Site

Abstract

A hybrid sol–gel dielectric bilayer structure yields a maximum energy density of 40 J cm−3 with a high extraction efficiency. The silica sol–gel dielectric is coated by an alkylphosphonic acid monolayer, as a charge‐blocking layer. The dense monolayer suppresses charge injection and electrical conduction, leading to high energy extraction efficiency, which exhibits nearly linear dielectric behavior suitable for high energy density applications.

Journal

Advanced Energy MaterialsWiley

Published: Oct 1, 2015

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