Colloidal TiO2 nanocrystals with engineered defectivity and optical properties

Author:

Chang Julia J.1,Yuan Bin2,Mignuzzi Sandro3,Sapienza Riccardo3,Mezzadri Francesco4ORCID,Cademartiri Ludovico4ORCID

Affiliation:

1. Department of Materials Science & Engineering, Iowa State University of Science and Technology, 2220 Hoover Hall, Ames, IA, 50011, USA

2. Department of Chemical & Biological Engineering, Iowa State University of Science and Technology, Gilman Hall, Ames, IA, 50011, USA

3. The Blackett Laboratory, Department of Physics, Imperial College London, London, SW7 2AZ, UK

4. Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, 43124, Italy

Abstract

One-step synthesis of TiO2 nanocrystals described in this study allows the density of oxygen vacancies to be controlled by 2 orders of magnitude and yields homogeneously distributed vacancies with stable optical properties in oxidizing environments.

Funder

Semiconductor Research Corporation

Publisher

Royal Society of Chemistry (RSC)

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