Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Evaluation of Nb2O5 Ceramic Nanofibers Efficacy to Promote CO2 Photoconversion

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.

Journal reference: Nanomaterials 2021, 11, 3268
DOI: 10.3390/nano11123268

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, Applied Chemistry

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