Temperature matters: An infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings

Paolo Falcaro, Gloria Zaccariello, Vanya Stoyanova, Alvise Benedetti, Stefano Costacurta

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

Titania is one of the most studied photocatalytic materials for self-cleaning applications. To maximize the photocatalytic efficiency, different strategies are currently under investigation, such as control of the nano- or microstructure, optimization of the crystalline phase and addition of doping agents. A parameter too often neglected is temperature, which dramatically affects the self-cleaning processes in thin titanium dioxide (TiO2) films. In this study, we prepared a titania coating using the sol-gel route. Stearic acid and a triblock copolymer (Pluronic F127) were used as model pollutants. A dedicated heating cell was used to precisely control the temperature. The infrared spectroscopy was used to follow the amount of residual pollutant agents within 60 minutes every 10 °C. The photocatalytic reaction rate was calculated for the stearic acid in the 25-60 °C range.

Originalspracheenglisch
Seiten (von - bis)1330-1337
Seitenumfang8
FachzeitschriftScience of advanced materials
Jahrgang6
Ausgabenummer7
DOIs
PublikationsstatusVeröffentlicht - 2014
Extern publiziertJa

Fingerprint

Stearic acid
Cleaning
UCON 50-HB-5100
Titanium
Infrared radiation
Coatings
Titanium dioxide
Block copolymers
Reaction rates
Sol-gels
Poloxamer
Infrared spectroscopy
Nanostructures
Doping (additives)
Crystalline materials
Heating
Temperature
Microstructure
titanium dioxide
stearic acid

Schlagwörter

    ASJC Scopus subject areas

    • !!Materials Science(all)

    Dies zitieren

    Temperature matters : An infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings. / Falcaro, Paolo; Zaccariello, Gloria; Stoyanova, Vanya; Benedetti, Alvise; Costacurta, Stefano.

    in: Science of advanced materials, Jahrgang 6, Nr. 7, 2014, S. 1330-1337.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

    Falcaro, Paolo ; Zaccariello, Gloria ; Stoyanova, Vanya ; Benedetti, Alvise ; Costacurta, Stefano. / Temperature matters : An infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings. in: Science of advanced materials. 2014 ; Jahrgang 6, Nr. 7. S. 1330-1337.
    @article{dd92b90e1ed74c1c9dd33154092074f6,
    title = "Temperature matters: An infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings",
    abstract = "Titania is one of the most studied photocatalytic materials for self-cleaning applications. To maximize the photocatalytic efficiency, different strategies are currently under investigation, such as control of the nano- or microstructure, optimization of the crystalline phase and addition of doping agents. A parameter too often neglected is temperature, which dramatically affects the self-cleaning processes in thin titanium dioxide (TiO2) films. In this study, we prepared a titania coating using the sol-gel route. Stearic acid and a triblock copolymer (Pluronic F127) were used as model pollutants. A dedicated heating cell was used to precisely control the temperature. The infrared spectroscopy was used to follow the amount of residual pollutant agents within 60 minutes every 10 °C. The photocatalytic reaction rate was calculated for the stearic acid in the 25-60 °C range.",
    keywords = "Photocatalysis, Self-cleaning, Sol-gel, Temperature, Titania",
    author = "Paolo Falcaro and Gloria Zaccariello and Vanya Stoyanova and Alvise Benedetti and Stefano Costacurta",
    year = "2014",
    doi = "10.1166/sam.2014.1840",
    language = "English",
    volume = "6",
    pages = "1330--1337",
    journal = "Science of advanced materials",
    issn = "1947-2935",
    publisher = "American Scientific Publishers",
    number = "7",

    }

    TY - JOUR

    T1 - Temperature matters

    T2 - An infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings

    AU - Falcaro, Paolo

    AU - Zaccariello, Gloria

    AU - Stoyanova, Vanya

    AU - Benedetti, Alvise

    AU - Costacurta, Stefano

    PY - 2014

    Y1 - 2014

    N2 - Titania is one of the most studied photocatalytic materials for self-cleaning applications. To maximize the photocatalytic efficiency, different strategies are currently under investigation, such as control of the nano- or microstructure, optimization of the crystalline phase and addition of doping agents. A parameter too often neglected is temperature, which dramatically affects the self-cleaning processes in thin titanium dioxide (TiO2) films. In this study, we prepared a titania coating using the sol-gel route. Stearic acid and a triblock copolymer (Pluronic F127) were used as model pollutants. A dedicated heating cell was used to precisely control the temperature. The infrared spectroscopy was used to follow the amount of residual pollutant agents within 60 minutes every 10 °C. The photocatalytic reaction rate was calculated for the stearic acid in the 25-60 °C range.

    AB - Titania is one of the most studied photocatalytic materials for self-cleaning applications. To maximize the photocatalytic efficiency, different strategies are currently under investigation, such as control of the nano- or microstructure, optimization of the crystalline phase and addition of doping agents. A parameter too often neglected is temperature, which dramatically affects the self-cleaning processes in thin titanium dioxide (TiO2) films. In this study, we prepared a titania coating using the sol-gel route. Stearic acid and a triblock copolymer (Pluronic F127) were used as model pollutants. A dedicated heating cell was used to precisely control the temperature. The infrared spectroscopy was used to follow the amount of residual pollutant agents within 60 minutes every 10 °C. The photocatalytic reaction rate was calculated for the stearic acid in the 25-60 °C range.

    KW - Photocatalysis

    KW - Self-cleaning

    KW - Sol-gel

    KW - Temperature

    KW - Titania

    UR - http://www.scopus.com/inward/record.url?scp=84902993822&partnerID=8YFLogxK

    U2 - 10.1166/sam.2014.1840

    DO - 10.1166/sam.2014.1840

    M3 - Article

    VL - 6

    SP - 1330

    EP - 1337

    JO - Science of advanced materials

    JF - Science of advanced materials

    SN - 1947-2935

    IS - 7

    ER -