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http://www.repositorio.ufop.br/jspui/handle/123456789/16575
Título: | Enhancing TiO2 activity for CO2 photoreduction through MgO decoration. |
Autor(es): | Torres, Juliana Arriel Nogueira, André Esteves Silva, Gelson Tiago dos Santos Tavares da Lopes, Osmando Ferreira Wang, Yanjie He, Tao Oliveira, Cauê Ribeiro de |
Palavras-chave: | CO2 photoreduction Artificial photosynthesis Basic metal oxides |
Data do documento: | 2020 |
Referência: | TORRES, J. A. et al. Enhancing TiO2 activity for CO2 photoreduction through MgO decoration. Journal of CO2 Utilization, v. 35, p. 106-114, 2020. Disponível em: <https://www.sciencedirect.com/science/article/pii/S2212982019306663?via%3Dihub>. Acesso em: 11 out. 2022. |
Resumo: | Herein we report on the influence of MgO’s basic character in the photoactivity of MgO:TiO2 nanocomposites for the CO2 reduction reaction. TiO2 nanoparticles, decorated with MgO in different mass proportions, were synthesized by the physical mixing of pre-synthesized oxides followed by calcination. The decorated samples presented enhanced photocatalytic activity with higher selectivity for CO, while CH4 was also produced, as well as HCOOH and CH3COOH in a liquid medium in lower proportions. The results indicate that the beneficial MgO influence is only effective at low amounts, whilst a high MgO amount favors an insulating behavior instead of semiconducting, reducing the nanocomposite performance for CO2 photoreduction. |
URI: | http://www.repositorio.ufop.br/jspui/handle/123456789/16575 |
Link para o artigo: | https://www.sciencedirect.com/science/article/pii/S2212982019306663?via%3Dihub |
DOI: | https://doi.org/10.1016/j.jcou.2019.09.008 |
ISSN: | 2212-9820 |
Aparece nas coleções: | DEQUI - Artigos publicados em periódicos |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
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ARTIGO_EnhacingTioActivity.pdf Restricted Access | 2,82 MB | Adobe PDF | Visualizar/Abrir |
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