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Journal of Nanomaterials
Volume 2017, Article ID 3809807, 9 pages
Research Article

Photoluminescence Enhancement of Titanate Nanotubes by Insertion of Rare Earth Ions in Their Interlayer Spaces

1Pós-Graduação em Ciências dos Materiais, Universidade Federal do Piauí (UFPI), 64049-550 Teresina, PI, Brazil
2Departamento de Física, Universidade Federal do Piauí (UFPI), 64049-550, Teresina, PI, Brazil
3Departamento de Física, Universidade Federal de Pernambuco (UFPE), 50670-901 Recife, PE, Brazil
4Department of Physics and Center for 2-Dimensional and Layered Materials, The Pennsylvania State University, University Park, PA 16802, USA
5Departamento de Física, CCET, Universidade Federal do Maranhão, 65085-580 São Luís, MA, Brazil
6Laboratório de Materiais Funcionais Avançados (LaMFA), Departamento de Física, Universidade Federal do Ceará (UFC), 60440-554 Fortaleza, CE, Brazil

Correspondence should be addressed to Odair Pastor Ferreira; moc.liamg@arierrefpo and Bartolomeu Cruz Viana; rb.ude.ipfu@uemolotrab

Received 27 July 2016; Revised 14 December 2016; Accepted 26 December 2016; Published 25 January 2017

Academic Editor: Giovanni Bongiovanni

Copyright © 2017 Thalles M. F. Marques et al. 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.

Supplementary Material

The Supplementary Material contains information about interlayer distances of the rare earth titanate nanotubes (RETiNt, RE = Pr3+, Nd3+, Er3+ and Yb3+) calculated using peaks around 10° (2θ) in X ray diffractograms. Also, presents TEM images of the pristine titanate nanotubes (NaTiNt) and a schematic diagram of the titanate nanotubes band gap with the possible electronic levels generated by modifications into electronic structure of nanotubes due to RE intercalation.

  1. Supplementary Material