Influence of photon reabsorption on the optical and catalytic properties of carbon nanodots/titanium oxide composites
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
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Original language | English |
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Article number | 213902 |
Journal / Publication | Applied Physics Letters |
Volume | 120 |
Issue number | 21 |
Publication status | Published - 23 May 2022 |
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DOI | DOI |
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Link to Scopus | https://www.scopus.com/record/display.uri?eid=2-s2.0-85131208470&origin=recordpage |
Permanent Link | https://scholars.cityu.edu.hk/en/publications/publication(14255292-06d4-4462-9781-33065170b86a).html |
Abstract
To enhance the optical and catalytic properties of TiO2, carbon nanodots (CNDs) are incorporated to prepare hybrid CNDs/TiO2 materials with different precursor concentrations and the photocatalytic characteristics are evaluated systematically. When the CNDs/TiO2 materials are excited optically, some high-energy photons are reabsorbed by those in the lower energy states, indicating that photon reabsorption of CNDs plays a key role. The results enrich our understanding of the optical and catalytic mechanisms and provide insight into the design of CNDs-based composites.
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Influence of photon reabsorption on the optical and catalytic properties of carbon nanodots/titanium oxide composites. / Zhang, Jun; Zhang, Xiao; Ren, Zhiyuan et al.
In: Applied Physics Letters, Vol. 120, No. 21, 213902, 23.05.2022.
In: Applied Physics Letters, Vol. 120, No. 21, 213902, 23.05.2022.
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
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