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High-Performance Ul...
High-Performance Ultrathin Flexible Solid-State Supercapacitors Based on Solution Processable Mo1.33C MXene and PEDOT:PSS
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- Qin, Leiqiang (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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- Tao, Quanzheng, 1989- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- El Ghazaly, Ahmed (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Fernandez-Rodriguez, Julia, 1965 (author)
- Gothenburg University,Göteborgs universitet,Core Facilities, Centre for Cellular Imaging,Core Facilities, Centre for Cellular Imaging,University of Gothenburg, Sweden
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- Persson, Per, 1971- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Rosén, Johanna, 1975- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Zhang, Fengling, 1960- (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
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(creator_code:org_t)
- 2017-11-22
- 2018
- English.
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In: Advanced Functional Materials. - : Wiley. - 1616-301X .- 1616-3028. ; 28:2
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Abstract
Subject headings
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- MXenes, a young family of 2D transition metal carbides/nitrides, show great potential in electrochemical energy storage applications. Herein, a high performance ultrathin flexible solid-state supercapacitor is demonstrated based on a Mo1.33C MXene with vacancy ordering in an aligned layer structure MXene/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid) (PEDOT:PSS) composite film posttreated with concentrated H2SO4. The flexible solid-state supercapacitor delivers a maximum capacitance of 568 F cm(-3), an ultrahigh energy density of 33.2 mWh cm(-3) and a power density of 19 470 mW cm(-3). The Mo1.33C MXene/PEDOT:PSS composite film shows a reduction in resistance upon H2SO4 treatment, a higher capacitance (1310 F cm(-3)) and improved rate capabilities than both pristine Mo1.33C MXene and the nontreated Mo1.33C/PEDOT:PSS composite films. The enhanced capacitance and stability are attributed to the synergistic effect of increased interlayer spacing between Mo1.33C MXene layers due to insertion of conductive PEDOT, and surface redox processes of the PEDOT and the MXene.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Andra medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Other Basic Medicine (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- composite films
- Mo1.33C
- MXene
- PEDOT:PSS
- solid-state supercapacitors
- high volumetric capacitance
- transition-metal carbides
- conducting
- polymer-films
- 2-dimensional materials
- energy-storage
- electrode
- hybrid
- nanosheets
- graphene
- devices
- Chemistry
- Science & Technology - Other Topics
- Materials Science
- Physics
- composite films; Mo1.33C; MXene; PEDOT:PSS; solid-state supercapacitors
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Qin, Leiqiang
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Tao, Quanzheng, ...
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El Ghazaly, Ahme ...
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Fernandez-Rodrig ...
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Persson, Per, 19 ...
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Rosén, Johanna, ...
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Zhang, Fengling, ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Other Basic Medi ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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Advanced Functio ...
- By the university
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University of Gothenburg
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Linköping University