ChemRxiv
These are preliminary reports that have not been peer-reviewed. They should not be regarded as conclusive, guide clinical practice/health-related behavior, or be reported in news media as established information. For more information, please see our FAQs.
1/1
0/0

New Insights into the Nature of the Band Gap of CuGeO3 Nanoparticles: Synthesis, Electronic Structure, and Optical and Photocatalytic Properties

preprint
submitted on 29.06.2019 and posted on 01.07.2019 by Victor Y. Suzuki, Luís Henrique Cardozo Amorin, Natália H. de Paula, Anderson R. Albuquerque, Julio Ricardo Sambrano, Elson Longo, Felipe La Porta

We report, for the first time, new insights into the nature of the band gap of CuGeO3 (CGO) nanocrystals synthesized from a microwave-assisted hydrothermal method in the presence of citrate. To the best of our knowledge, this synthetic approach has the shortest reaction time and it works at the lowest temperatures reported in the literature for the preparation of these materials. The influence of the surfactant on the structural, electronic, optical, and photocatalytic properties of CGO nanocrystals is discussed by a combination of experimental and theoretical approaches, and that results elucidates the nature of the band gap of synthetized CGO nanocrystals. We believe that this particular strategy is one of the most critical parameters for the development of innovative applications and that result could shed some light on the emerging material design with entirely new properties.

Funding

CNPq, CAPES, Fundação Araucária, and FAPESP

History

Email Address of Submitting Author

felipe_laporta@yahoo.com.br

Institution

Universidade Tecnológica Federal do Paraná

Country

Brazil

ORCID For Submitting Author

0000-0003-0990-7947

Declaration of Conflict of Interest

No conflict of interest.

Exports