期刊
OPTICAL MATERIALS
卷 135, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.optmat.2022.113374
关键词
Metallic bi; Surface plasmon resonance; In-situ deposition; Bi12TiO20; Photocatalytic
Boosting photocatalytic activity through surface plasmon resonance (SPR) effect was demonstrated as an effective approach. In this study, metallic Bi was deposited in situ on the surface of Bi12TiO20 (BTO). The morphology, light properties, crystal structure, and chemical composition of the Bi/BTO composite were analyzed. The Bi/BTO composite showed increased light absorption and smaller electron transfer resistance. The SPR effect of metallic Bi generated hot electrons to promote the production of more active species, and the formed Schottky junction promoted electron separation, resulting in higher photocatalytic activity. The possible photocatalytic mechanism was also proposed for further development of plasmonic photocatalysts.
Boosting the photocatalytic activity with the help of surface plasmon resonance (SPR) effect has been demon-strated as an effective approach. In this work, the metallic Bi was deposited on surface of Bi12TiO20 (BTO) via in -situ growth. A series of characteristics was used to analyze the morphology, light properties, crystal structure, chemical position of Bi/BTO composite. The Bi/BTO composite showed increased light absorption and smaller electron transfer resistance. The metallic Bi not only has the SPR effect to generate hot electrons to promote the production of more active species, but also the formed Schottky junction can promote the separation of electrons. Thus, the Bi/BTO composite exhibited higher photocatalytic activity. In addition, the possible photocatalytic mechanism also proposed for deep developing the plasmonic photocatalyst.
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