Surface Modification of Titania/Gold Nanoparticles for Photocatalytic Applications

Part of the Green Energy and Technology book series (GREEN)


Gold nanoparticles measuring 3–30 nm deposited on semiconductors result in an effective photocatalysis system against several pollutants. Its photocatalytic activities are significant under both UV and solar irradiation. In a photocatalytic system, the oxidation of pollutants takes place on the gold surface as the electron donor, while the electron is consumed by the reduction of oxygen as electron acceptor on the semiconductor’s surface. This promotes not only increased photocatalytic activities but also the green transformation of pollutant compounds to harmless compounds. Photosensitivity of semiconductors can be modified by tuning the size, shape, and contact of gold nanoparticles. This chapter highlights the function of gold nanoparticles in overcoming the limitation of transition metal oxide materials in photocatalytic applications.


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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Nurhidayatullaili Muhd Julkapli
    • 1
  • Samira Bagheri
    • 1
  1. 1.Nanotechnology and Catalysis Research CentreUniversity of MalayaKuala LumpurMalaysia

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