Next Article in Journal
Effect of Na2O and Rb2O on Inclusion Removal in C96V Saw Wire Steels Using Low-Basicity LF (Ladle Furnace) Refining Slags
Previous Article in Journal
Metallic Glass Structures for Mechanical-Energy-Dissipation Purpose: A Review
Previous Article in Special Issue
Mechanical and Microstructural Features of Plasma Cut Edges in a 15 mm Thick S460M Steel Plate
Article Menu
Issue 9 (September) cover image

Export Article

Open AccessArticle
Metals 2018, 8(9), 690; https://doi.org/10.3390/met8090690

Time Evolution Characterization of Atmospheric-Pressure Plasma Jet (APPJ)-Synthesized Pt-SnOx Catalysts

1
Graduate Institute of Applied Mechanics, National Taiwan University, Taipei 10617, Taiwan
2
Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei 10617, Taiwan
3
Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei 10617, Taiwan
4
Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
5
Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
*
Authors to whom correspondence should be addressed.
Received: 17 August 2018 / Revised: 29 August 2018 / Accepted: 29 August 2018 / Published: 1 September 2018
(This article belongs to the Special Issue Plasmas Processes Applied on Metals and Alloys)
Full-Text   |   PDF [4698 KB, uploaded 3 September 2018]   |  

Abstract

We characterize the time evolution (≤120 s) of atmospheric-pressure plasma jet (APPJ)-synthesized Pt-SnOx catalysts. A mixture precursor solution consisting of chloroplatinic acid and tin(II) chloride is spin-coated on fluorine-doped tin oxide (FTO) glass substrates, following which APPJ is used for converting the spin-coated precursors. X-ray photoelectron spectroscopy (XPS) indicates the conversion of a large portion of metallic Pt and a small portion of metallic Sn (most Sn is in oxidation states) from the precursors with 120 s APPJ processing. The dye-sensitized solar cell (DSSC) efficiency with APPJ-synthesized Pt-SnOx CEs is improved greatly with only 5 s of APPJ processing. Electrochemical impedance spectroscopy (EIS) and Tafel experiments confirm the catalytic activities of Pt-SnOx catalysts. The DSSC performance can be improved with a short APPJ processing time, suggesting that a DC-pulse nitrogen APPJ can be an efficient tool for rapidly synthesizing catalytic Pt-SnOx counter electrodes (CEs) for DSSCs. View Full-Text
Keywords: atmospheric pressure plasma jet; platinum; tin oxide; dye-sensitized solar cells; chloroplatinic acid; tin chloride atmospheric pressure plasma jet; platinum; tin oxide; dye-sensitized solar cells; chloroplatinic acid; tin chloride
Figures

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Lee, C.-C.; Huang, T.-M.; Cheng, I.-C.; Hsu, C.-C.; Chen, J.-Z. Time Evolution Characterization of Atmospheric-Pressure Plasma Jet (APPJ)-Synthesized Pt-SnOx Catalysts. Metals 2018, 8, 690.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Metals EISSN 2075-4701 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top