Architecture of β-Graphdiyne-Containing Thin Film Using Modified Glaser-Hay Coupling Reaction for Enhanced Photocatalytic Property of TiO<sub>2</sub>.
basic_science · Level V
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- Record sourced from PubMed, PMID 28295780.
- Also identified by DOI 10.1002/adma.201700421.
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Abstract
β-Graphdiyne (β-GDY) is a member of 2D graphyne family with zero band gap, and is a promising material with potential applications in energy storage, organic electronics, etc. However, the synthesis of β-GDY has not been realized yet, and the measurement of its intrinsic properties remains elusive. In this work, β-GDY-containing thin film is successfully synthesized on copper foil using modified Glaser-Hay coupling reaction with tetraethynylethene as precursor. The as-grown carbon film has a smooth surface and is continuous and uniform. Electrical measurements reveal the conductivity of 3.47 × 10<sup>-6</sup> S m<sup>-1</sup> and the work function of 5.22 eV. TiO<sub>2</sub> @β-GDY nanocomposite is then prepared and presented with an enhancement of photocatalytic ability compared to pure TiO<sub>2</sub> .