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Bi or Bi2S3 are commonly used to improve the photocatalytic performance of bismuth-based photocatalysts because of surface plasmon resonance (SPR) effect or visible light absorption efficiency. Nevertheless, the modified efficiency between Bi and Bi2S3 has never been compared. In addition, Bi and Bi2S3 modified semiconductors were usually prepared via two-step routes, where a semiconductor was firstly...
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