Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.jcou.2019.10.020 http://hdl.handle.net/11449/201362 |
Resumo: | The high levels of atmospheric CO2 transformed this compound in a preoccupant pollutant. However, a wide range of semiconductors, including bismuth vanadate (BiVO4), can be applied for CO2 reduction aiming generation of fuels. This work reports the optimization of the BiVO4 layer synthesis by microwave system using factorial experimental design, where the variables time (5 to 15»min) and temperature (120 to 160»°C) were studied. For evaluation purposes, the materials synthetized were applied in photocatalytic reduction of CO2. All the BiVO4 materials analyzed promoted the formation of methanol. The best condition was obtained under the material synthesized at 160»°C with 15»min of reaction, where 1.5»mmol L-1 gcat-1 of methanol was produced after 120»min of photocatalysis. For the first time, acetone formation was observed in this kind of material. The best condition for acetone production was acquire with the material prepared at 140»°C with 10»min of synthesis, where 0.030»mmol L-1 gcat-1 was generated after 240»min of CO2 reduction. Differences in methanol concentration obtained among the samples were probably related to crystallographic patterns of the material, once the presence of Bi2O3 or other BiVO4 crystallographic species may affect the efficiency of the material. The results obtained in this work show that the use of BiVO4 layer semiconductor prepared by microwave system for CO2 reduction leads to the generation of high amounts of methanol under just UV-vis light incidence, aside from promoting the production of acetone. |
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Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalystBiVO4 lamellarFuel productionPhotocatalysisReduction of CO2SemiconductorsThe high levels of atmospheric CO2 transformed this compound in a preoccupant pollutant. However, a wide range of semiconductors, including bismuth vanadate (BiVO4), can be applied for CO2 reduction aiming generation of fuels. This work reports the optimization of the BiVO4 layer synthesis by microwave system using factorial experimental design, where the variables time (5 to 15»min) and temperature (120 to 160»°C) were studied. For evaluation purposes, the materials synthetized were applied in photocatalytic reduction of CO2. All the BiVO4 materials analyzed promoted the formation of methanol. The best condition was obtained under the material synthesized at 160»°C with 15»min of reaction, where 1.5»mmol L-1 gcat-1 of methanol was produced after 120»min of photocatalysis. For the first time, acetone formation was observed in this kind of material. The best condition for acetone production was acquire with the material prepared at 140»°C with 10»min of synthesis, where 0.030»mmol L-1 gcat-1 was generated after 240»min of CO2 reduction. Differences in methanol concentration obtained among the samples were probably related to crystallographic patterns of the material, once the presence of Bi2O3 or other BiVO4 crystallographic species may affect the efficiency of the material. The results obtained in this work show that the use of BiVO4 layer semiconductor prepared by microwave system for CO2 reduction leads to the generation of high amounts of methanol under just UV-vis light incidence, aside from promoting the production of acetone.Department of Chemistry Federal University of São Carlos, Rod. Washington Luiz, Km 235Institute of Chemistry - Araraquara UNESP Bairro Quitandinha, Rua Francisco Degni, 55Institute of Chemistry - Araraquara UNESP Bairro Quitandinha, Rua Francisco Degni, 55Universidade Federal de São Carlos (UFSCar)Universidade Estadual Paulista (Unesp)Corradini, Patricia GonDe Brito, Juliana FerreiraBoldrin Zanoni, Maria Valnice [UNESP]Mascaro, Lucia Helena2020-12-12T02:30:34Z2020-12-12T02:30:34Z2020-02-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article187-195http://dx.doi.org/10.1016/j.jcou.2019.10.020Journal of CO2 Utilization, v. 36, p. 187-195.2212-9820http://hdl.handle.net/11449/20136210.1016/j.jcou.2019.10.0202-s2.0-85075760359Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of CO2 Utilizationinfo:eu-repo/semantics/openAccess2021-10-22T17:35:59Zoai:repositorio.unesp.br:11449/201362Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-22T17:35:59Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
title |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
spellingShingle |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst Corradini, Patricia Gon BiVO4 lamellar Fuel production Photocatalysis Reduction of CO2 Semiconductors |
title_short |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
title_full |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
title_fullStr |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
title_full_unstemmed |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
title_sort |
Artificial photosynthesis for alcohol and 3-C compound formation using BiVO4-lamelar catalyst |
author |
Corradini, Patricia Gon |
author_facet |
Corradini, Patricia Gon De Brito, Juliana Ferreira Boldrin Zanoni, Maria Valnice [UNESP] Mascaro, Lucia Helena |
author_role |
author |
author2 |
De Brito, Juliana Ferreira Boldrin Zanoni, Maria Valnice [UNESP] Mascaro, Lucia Helena |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de São Carlos (UFSCar) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Corradini, Patricia Gon De Brito, Juliana Ferreira Boldrin Zanoni, Maria Valnice [UNESP] Mascaro, Lucia Helena |
dc.subject.por.fl_str_mv |
BiVO4 lamellar Fuel production Photocatalysis Reduction of CO2 Semiconductors |
topic |
BiVO4 lamellar Fuel production Photocatalysis Reduction of CO2 Semiconductors |
description |
The high levels of atmospheric CO2 transformed this compound in a preoccupant pollutant. However, a wide range of semiconductors, including bismuth vanadate (BiVO4), can be applied for CO2 reduction aiming generation of fuels. This work reports the optimization of the BiVO4 layer synthesis by microwave system using factorial experimental design, where the variables time (5 to 15»min) and temperature (120 to 160»°C) were studied. For evaluation purposes, the materials synthetized were applied in photocatalytic reduction of CO2. All the BiVO4 materials analyzed promoted the formation of methanol. The best condition was obtained under the material synthesized at 160»°C with 15»min of reaction, where 1.5»mmol L-1 gcat-1 of methanol was produced after 120»min of photocatalysis. For the first time, acetone formation was observed in this kind of material. The best condition for acetone production was acquire with the material prepared at 140»°C with 10»min of synthesis, where 0.030»mmol L-1 gcat-1 was generated after 240»min of CO2 reduction. Differences in methanol concentration obtained among the samples were probably related to crystallographic patterns of the material, once the presence of Bi2O3 or other BiVO4 crystallographic species may affect the efficiency of the material. The results obtained in this work show that the use of BiVO4 layer semiconductor prepared by microwave system for CO2 reduction leads to the generation of high amounts of methanol under just UV-vis light incidence, aside from promoting the production of acetone. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T02:30:34Z 2020-12-12T02:30:34Z 2020-02-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.jcou.2019.10.020 Journal of CO2 Utilization, v. 36, p. 187-195. 2212-9820 http://hdl.handle.net/11449/201362 10.1016/j.jcou.2019.10.020 2-s2.0-85075760359 |
url |
http://dx.doi.org/10.1016/j.jcou.2019.10.020 http://hdl.handle.net/11449/201362 |
identifier_str_mv |
Journal of CO2 Utilization, v. 36, p. 187-195. 2212-9820 10.1016/j.jcou.2019.10.020 2-s2.0-85075760359 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of CO2 Utilization |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
187-195 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965506490335232 |