Multi-step hydrothermally synthesized TiO 2 nanoforests and its application to dye-sensitized solar cells

Chih Min Lin, Yun Ching Chang, Jimmy Yao, Chao Wang, Claire Luo, Shizhuo Yin

    Research output: Contribution to journalArticle

    16 Citations (Scopus)

    Abstract

    Three-dimensional (3-D) titanium dioxide (TiO 2) nanoforests with a large surface area and a high electron transport property have been successfully synthesized on transparent conducting oxide (TCO) substrate by using a unique multi-step hydrothermal synthesizing process. First, TiO 2 nanorods with well-controlled density and length are grown on TCO glass substrate.TiO 2 nanowires are then synthesized on TiO 2 nanorods with another hydrothermal process. In comparison with previously reported one-dimensional (1-D) TiO 2 nanorod arrays, TiO 2 nanoforests offer a larger surface area for the same height, which is beneficial for achieving higher efficiency dye-sensitized solar cell (DSSC). The experimental results confirm that a conversion efficiency of 3.93% can be achieved with a 5.1 μm long TiO 2 nanoforest based DSSC under AM1.5 illumination.

    Original languageEnglish (US)
    Pages (from-to)723-727
    Number of pages5
    JournalMaterials Chemistry and Physics
    Volume135
    Issue number2-3
    DOIs
    StatePublished - Aug 15 2012

    Fingerprint

    Nanorods
    nanorods
    solar cells
    dyes
    Oxides
    Electron transport properties
    conduction
    oxides
    Substrates
    titanium oxides
    Titanium dioxide
    Conversion efficiency
    Nanowires
    nanowires
    Lighting
    transport properties
    illumination
    Glass
    glass
    Dye-sensitized solar cells

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics

    Cite this

    Lin, Chih Min ; Chang, Yun Ching ; Yao, Jimmy ; Wang, Chao ; Luo, Claire ; Yin, Shizhuo. / Multi-step hydrothermally synthesized TiO 2 nanoforests and its application to dye-sensitized solar cells. In: Materials Chemistry and Physics. 2012 ; Vol. 135, No. 2-3. pp. 723-727.
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    abstract = "Three-dimensional (3-D) titanium dioxide (TiO 2) nanoforests with a large surface area and a high electron transport property have been successfully synthesized on transparent conducting oxide (TCO) substrate by using a unique multi-step hydrothermal synthesizing process. First, TiO 2 nanorods with well-controlled density and length are grown on TCO glass substrate.TiO 2 nanowires are then synthesized on TiO 2 nanorods with another hydrothermal process. In comparison with previously reported one-dimensional (1-D) TiO 2 nanorod arrays, TiO 2 nanoforests offer a larger surface area for the same height, which is beneficial for achieving higher efficiency dye-sensitized solar cell (DSSC). The experimental results confirm that a conversion efficiency of 3.93{\%} can be achieved with a 5.1 μm long TiO 2 nanoforest based DSSC under AM1.5 illumination.",
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    Multi-step hydrothermally synthesized TiO 2 nanoforests and its application to dye-sensitized solar cells. / Lin, Chih Min; Chang, Yun Ching; Yao, Jimmy; Wang, Chao; Luo, Claire; Yin, Shizhuo.

    In: Materials Chemistry and Physics, Vol. 135, No. 2-3, 15.08.2012, p. 723-727.

    Research output: Contribution to journalArticle

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    AU - Chang, Yun Ching

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    AU - Luo, Claire

    AU - Yin, Shizhuo

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