Details
| Original language | English |
|---|---|
| Article number | 2000173 |
| Journal | Physica Status Solidi (A) Applications and Materials Science |
| Volume | 217 |
| Issue number | 19 |
| Early online date | 22 Jun 2020 |
| Publication status | Published - 12 Oct 2020 |
Abstract
A dense nanofilm of Co3O4 is synthesized using constant current electrodeposition on a conducting transparent electrode that works not only as a counter electrode but also shows electrochromic (EC) properties on its own. The isolated active nano-Co3O4 electrode shows reduction in the redox potential and good color contrast between its yellowish transparent and dark states at different bias conditions. The electrode shows improved color contrast, stability, and cycle life. In situ spectroelectrochemical studies of the nanoelectrode reveals that the bias-induced redox activity of the metal oxide leads to the color change between yellowish and opaque states. The bias-induced color change makes it an active EC counter-ion electrode for appropriate solid-state EC devices.
Keywords
- cyclic voltammetry, electrochromic, metal-oxide nanofilms
ASJC Scopus subject areas
- Materials Science(all)
- Electronic, Optical and Magnetic Materials
- Physics and Astronomy(all)
- Condensed Matter Physics
- Physics and Astronomy(all)
- Surfaces and Interfaces
- Materials Science(all)
- Surfaces, Coatings and Films
- Engineering(all)
- Electrical and Electronic Engineering
- Materials Science(all)
- Materials Chemistry
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
In: Physica Status Solidi (A) Applications and Materials Science, Vol. 217, No. 19, 2000173, 12.10.2020.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Chronopotentiometric Deposition of Nanocobalt Oxide for Electrochromic Auxiliary Active Electrode Application
AU - Pathak, Devesh K.
AU - Chaudhary, Anjali
AU - Tanwar, Manushree
AU - Goutam, Uttam K.
AU - Pfnür, Herbert
AU - Kumar, Rajesh
N1 - Funding information: Authors thank funding received from Science and Engineering Research Board (SERB), Govt. of India (grant no. CRG/2019/000371). Authors are very thankful to Professor S. S. Islam (Director, Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi) for providing electron microscopy facilities. Department of Science and Technology (DST), Govt. of India, under FIST scheme of grant number SR/FST/PSI?225/2016, is highly acknowledged. Author D. K. P. acknowledges (file number 09/1022(0039)/2017?EMR?I) Council of Scientific and Industrial Research (CSIR) for financial support and one author A. C. acknowledges IIT Indore and DST, Govt. of India, for funding. Author M. T. thanks Department of Science & Technology (DST), Govt. of India, for fellowship (file no. DST/INSPIRE/03/2018/000910/IF180398). Funding received from TEQIP collaborative project is also acknowledged. Authors thank the useful discussion with Dr. P. R. Sagdeo (IIT Indore) and Dr. J. Jayabalan (RRCAT, Indore). Authors are thankful to Professor N. K. Jain (Director, IIT Indore) for providing support. Authors thank funding received from Science and Engineering Research Board (SERB), Govt. of India (grant no. CRG/2019/000371). Authors are very thankful to Professor S. S. Islam (Director, Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi) for providing electron microscopy facilities. Department of Science and Technology (DST), Govt. of India, under FIST scheme of grant number SR/FST/PSI-225/2016, is highly acknowledged. Author D. K. P. acknowledges (file number 09/1022(0039)/2017-EMR-I) Council of Scientific and Industrial Research (CSIR) for financial support and one author A. C. acknowledges IIT Indore and DST, Govt. of India, for funding. Author M. T. thanks Department of Science & Technology (DST), Govt. of India, for fellowship (file no. DST/INSPIRE/03/2018/000910/IF180398). Funding received from TEQIP collaborative project is also acknowledged. Authors thank the useful discussion with Dr. P. R. Sagdeo (IIT Indore) and Dr. J. Jayabalan (RRCAT, Indore). Authors are thankful to Professor N. K. Jain (Director, IIT Indore) for providing support.
PY - 2020/10/12
Y1 - 2020/10/12
N2 - A dense nanofilm of Co3O4 is synthesized using constant current electrodeposition on a conducting transparent electrode that works not only as a counter electrode but also shows electrochromic (EC) properties on its own. The isolated active nano-Co3O4 electrode shows reduction in the redox potential and good color contrast between its yellowish transparent and dark states at different bias conditions. The electrode shows improved color contrast, stability, and cycle life. In situ spectroelectrochemical studies of the nanoelectrode reveals that the bias-induced redox activity of the metal oxide leads to the color change between yellowish and opaque states. The bias-induced color change makes it an active EC counter-ion electrode for appropriate solid-state EC devices.
AB - A dense nanofilm of Co3O4 is synthesized using constant current electrodeposition on a conducting transparent electrode that works not only as a counter electrode but also shows electrochromic (EC) properties on its own. The isolated active nano-Co3O4 electrode shows reduction in the redox potential and good color contrast between its yellowish transparent and dark states at different bias conditions. The electrode shows improved color contrast, stability, and cycle life. In situ spectroelectrochemical studies of the nanoelectrode reveals that the bias-induced redox activity of the metal oxide leads to the color change between yellowish and opaque states. The bias-induced color change makes it an active EC counter-ion electrode for appropriate solid-state EC devices.
KW - cyclic voltammetry
KW - electrochromic
KW - metal-oxide nanofilms
UR - http://www.scopus.com/inward/record.url?scp=85088970954&partnerID=8YFLogxK
U2 - 10.1002/pssa.202000173
DO - 10.1002/pssa.202000173
M3 - Article
AN - SCOPUS:85088970954
VL - 217
JO - Physica Status Solidi (A) Applications and Materials Science
JF - Physica Status Solidi (A) Applications and Materials Science
SN - 1862-6300
IS - 19
M1 - 2000173
ER -