The Impact of Ionic Species on Wet Leakage Current of Conductive Polymer Coated Tantalum Dielectric | Zendy

Liancai Ning | Zendy; Shuang Liu | Zendy; Yong Liu | Zendy; Zhiyong Zhong | Zendy

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The Impact of Ionic Species on Wet Leakage Current of Conductive Polymer Coated Tantalum Dielectric

Author(s) -

Liancai Ning,

Shuang Liu,

Yong Liu,

Zhiyong Zhong

Publication year - 2022

Publication title -

ecs journal of solid state science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.488

H-Index - 51

eISSN - 2162-8777

pISSN - 2162-8769

DOI - 10.1149/2162-8777/ac4c7b

Subject(s) - materials science , anode , electrical conductor , anodizing , electrolyte , polymer , leakage (economics) , tantalum , dielectric , schottky diode , composite material , optoelectronics , aluminium , metallurgy , electrode , chemistry , economics , macroeconomics , diode

The wet leakage current of anodized anodes and conductive polymer coated anodes are measured in various electrolytes. The anodized anodes are robust to Ag + , Fe 2+ , and Fe 3+ . However, conductive polymer coated anodes are highly sensitive to Ag + and Fe 2+ , which permanently affected wet leakage current in I-time measurement. I–V curve is plotted in order to understand the conduction mechanism. For 50 V conductive polymer coated anodes, Schottky Effect and Tunneling are the mechanisms between 12 V to 50 V and above 50 V, respectively.

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