J 2017

Low-Temperature (70° C) Ambient Air Plasma-Fabrication of Inkjet-Printed Mesoporous TiO2 Flexible Photoanodes

HOMOLA, Tomáš, Masoud SHEKARGOFTAR, Petr DZIK, Richard KRUMPOLEC, Zuzana ĎURAŠOVÁ et. al.

Basic information

Original name

Low-Temperature (70° C) Ambient Air Plasma-Fabrication of Inkjet-Printed Mesoporous TiO2 Flexible Photoanodes

Authors

HOMOLA, Tomáš (703 Slovakia, guarantor, belonging to the institution), Masoud SHEKARGOFTAR (364 Islamic Republic of Iran, belonging to the institution), Petr DZIK (203 Czech Republic), Richard KRUMPOLEC (703 Slovakia, belonging to the institution), Zuzana ĎURAŠOVÁ (703 Slovakia), Michal VESELÝ (203 Czech Republic) and Mirko ČERNÁK (703 Slovakia, belonging to the institution)

Edition

Flexible and Printed Electronics, Bristol, England, IOP Publishing LTD, 2017, 2058-8585

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10305 Fluids and plasma physics

Country of publisher

United Kingdom of Great Britain and Northern Ireland

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

RIV identification code

RIV/00216224:14310/17:00097471

Organization unit

Faculty of Science

DOI

UT WoS

000419284000006

Keywords (in Czech)

plasma treatment;ambient air plasma;TiO2 flexible photoanode;mesoporous coating;roll-to-roll processing;inkjet printing

Keywords in English

plasma treatment;ambient air plasma;TiO2 flexible photoanode;mesoporous coating;roll-to-roll processing;inkjet printing

Tags

Tags

International impact, Reviewed
Změněno: 6/4/2018 14:11, Ing. Nicole Zrilić

Abstract

V originále

Titania/silica electron-generating and -transporting nanocomposite 300-nm layers of high porosity were deposited onto ITO/PET flexible foils using inkjet printing. Prior to printing, the ITO surface had been modified by novel low-temperature ambient air roll-to-roll plasma in order to enhance its surface properties by removing carbon and oxygen contaminants, a process that led to rapid improvement of surface energy. Consequently the ITO work function, an important parameter involving charge injection efficiency in energy harvesting systems, increased by 1 eV. Afterwards, the TiO2/methyl-silica ink exhibited excellent wetting on a 2-s plasma-treated ITO surface. The coating was further processed/mineralized by an additional low-temperature ambient air plasma treatment step. The plasma processing of raw photoanodes led to the mineralization of the methyl-silica binder which resulted in the formation of a fully inorganic TiO2/SiO2 mesoporous structure and significantly increased electrophotocatalytic activity, leading to increased photocurrents. The entire two-step plasma process was performed at low-temperature (70 °C) and high speeds, enabling practical applications of such a procedure for large-area fabrication of flexible photoanodes.

Links

ED2.1.00/03.0086, research and development project
Name: Regionální VaV centrum pro nízkonákladové plazmové a nanotechnologické povrchové úpravy
LO1411, research and development project
Name: Rozvoj centra pro nízkonákladové plazmové a nanotechnologické povrchové úpravy (Acronym: CEPLANT plus)
Investor: Ministry of Education, Youth and Sports of the CR