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Abstract A Li-doped graphitic carbon nitride (g-CNLi) was synthesized through a two-step method including the first ionothermal route and the following H2O2 treatment. Characterizations indicate that the crystal structure of… Click to show full abstract
Abstract A Li-doped graphitic carbon nitride (g-CNLi) was synthesized through a two-step method including the first ionothermal route and the following H2O2 treatment. Characterizations indicate that the crystal structure of g-CNLi resembles the intermediate without H2O2 treatment. However, compared to pristine graphitic carbon nitride (g-CN), g-CNLi presents significantly visible-light absorption enhancement. As a consequence, the photodegradation of methylene blue by g-CNLi is greatly improved under visible-light irradiation. Furthermore, Li atoms doping into g-CN might be responsible for the optical property of g-CNLi. The present work could provide a new insight into optimizing photocatalyst for efficient solar light utilization.
Journal Title: Materials Letters
Year Published: 2019
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