B-Doped g-C[sub.3]N[sub.4]/Black TiO[sub.2] Z-Scheme Nanocomposites for Enhanced Visible-Light-Driven Photocatalytic Performance
Black TiO[sub.2] with abundant oxygen vacancies (OVs)/B-doped graphitic carbon nitride (g-C[sub.3] N[sub.4] ) Z-scheme heterojunction nanocomposites are successfully prepared by the one-pot strategy. The OVs can improve not only photogenerated carrier separation, but also the sorption and activation...
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| Veröffentlicht in: | Nanomaterials (Basel, Switzerland) Switzerland), 2023-01, Vol.13 (3) |
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| container_title | Nanomaterials (Basel, Switzerland) |
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| creator | Wang, Yuwei Xu, Kelin Fan, Liquan Jiang, Yongwang Yue, Ying Jia, Hongge |
| description | Black TiO[sub.2] with abundant oxygen vacancies (OVs)/B-doped graphitic carbon nitride (g-C[sub.3] N[sub.4] ) Z-scheme heterojunction nanocomposites are successfully prepared by the one-pot strategy. The OVs can improve not only photogenerated carrier separation, but also the sorption and activation of antibiotic compounds (tetracycline hydrochloride, TC). The prepared heterojunction photocatalysts with a narrow bandgap of ∼2.13 eV exhibit excellent photocatalytic activity for the degradation of tetracycline hydrochloride (65%) under visible light irradiation within 30 min, which is several times higher than that of the pristine one. The outstanding photocatalytic property can be ascribed to abundant OVs and B element-dope reducing the bandgap and extending the photo-response to the visible light region, the Z-scheme formation of heterojunctions preventing the recombination of photogenerated electrons and holes, and promoting their effective separation. |
| doi_str_mv | 10.3390/nano13030518 |
| format | Article |
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The OVs can improve not only photogenerated carrier separation, but also the sorption and activation of antibiotic compounds (tetracycline hydrochloride, TC). The prepared heterojunction photocatalysts with a narrow bandgap of ∼2.13 eV exhibit excellent photocatalytic activity for the degradation of tetracycline hydrochloride (65%) under visible light irradiation within 30 min, which is several times higher than that of the pristine one. 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The OVs can improve not only photogenerated carrier separation, but also the sorption and activation of antibiotic compounds (tetracycline hydrochloride, TC). The prepared heterojunction photocatalysts with a narrow bandgap of ∼2.13 eV exhibit excellent photocatalytic activity for the degradation of tetracycline hydrochloride (65%) under visible light irradiation within 30 min, which is several times higher than that of the pristine one. The outstanding photocatalytic property can be ascribed to abundant OVs and B element-dope reducing the bandgap and extending the photo-response to the visible light region, the Z-scheme formation of heterojunctions preventing the recombination of photogenerated electrons and holes, and promoting their effective separation.</abstract><pub>MDPI AG</pub><doi>10.3390/nano13030518</doi></addata></record> |
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| source | DOAJ Directory of Open Access Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Analysis Carbon compounds Chemical synthesis Composite materials Graphite Mechanical properties Methods Nanoparticles Nitrides Optical properties |
| title | B-Doped g-C[sub.3]N[sub.4]/Black TiO[sub.2] Z-Scheme Nanocomposites for Enhanced Visible-Light-Driven Photocatalytic Performance |
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