Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Evaluation of Nb2O5 Ceramic Nanofibers Efficacy to Promote CO2 Photoconversion

Ana Prado
,
Joao Malafatti
ORCID logo ,
Jessica Oliveira
,
Caue Ribeiro
ORCID logo ,
Miryam Rincón
* ORCID logo ,
Ana Luz
ORCID logo ,
Elaine Paris
* ORCID logo
Version 1 : Received: 20 October 2021 / Approved: 22 October 2021 / Online: 22 October 2021 (15:38:01 CEST)

A peer-reviewed article of this Preprint also exists.

Prado, A.C.F.; Malafatti, J.O.D.; Oliveira, J.A.; Ribeiro, C.; Joya, M.R.; Luz, A.P.; Paris, E.C. Preparation and Application of Nb2O5 Nanofibers in CO2 Photoconversion. Nanomaterials 2021, 11, 3268. Prado, A.C.F.; Malafatti, J.O.D.; Oliveira, J.A.; Ribeiro, C.; Joya, M.R.; Luz, A.P.; Paris, E.C. Preparation and Application of Nb2O5 Nanofibers in CO2 Photoconversion. Nanomaterials 2021, 11, 3268.

Abstract

The increase in global warming due to NOx, CO2, and CH4 harmfully different ecosystems and significantly prejudice world life. A promising methodology in this sense is the pollutant conversion into valuable chemicals from photocatalytic processes by reusable photocatalyst. In this way, the present work aimed to produce a Nb2O5 photocatalyst nanofibers system to convert CO2 by the electrospinning method. Based on the collected data, the nanofibers calcination at 600°C for 2 h resulted in the best condition to obtain a homogeneous surface with an average diameter of 84 nm. As a result, the Nb2O5 nanofibers converted CO2 mostly into CO and CH4, reaching values around 8.5 μmol g−1 and 0.55 μmol g−1, respectively.

Keywords

Nb2O5; CO2 conversion; Photocatalysis; Electrospinning; Nanofibers.

Subject

Chemistry and Materials Science, Applied Chemistry

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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