Publikation: Model for Hydrothermal Growth of Rutile Wires and the Associated Development of Defect Structures
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2014
Autor:innen
Wisnet, Andreas
Betzler, Sophia B.
Zucker, Rachel V.
Wagatha, Peter
Matich, Sonja
Okunishi, Eiji
Scheu, Christina
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Crystal Growth & Design. 2014, 14(9), pp. 4658-4663. ISSN 1528-7483. eISSN 1528-7505. Available under: doi: 10.1021/cg500743u
Zusammenfassung
Crystal defects play a major role in determining the electrical properties of semiconductors. Hydrothermally grown TiO2 rutile nanowire arrays are frequently used as electrodes in photovoltaic devices. However, they exhibit a characteristic defect structure that may compromise performance. A detailed scanning and transmission electron microscopy study of these defects reveals their internal structure and is suggestive at their origin. We propose an anisotropic layer-by-layer growth model, which combined with steric effects and Coulombic repulsion on high atom-density facets, can explain the observed V-shaped defect cascade in the nanowires.
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WISNET, Andreas, Sophia B. BETZLER, Rachel V. ZUCKER, James A. DORMAN, Peter WAGATHA, Sonja MATICH, Eiji OKUNISHI, Lukas SCHMIDT-MENDE, Christina SCHEU, 2014. Model for Hydrothermal Growth of Rutile Wires and the Associated Development of Defect Structures. In: Crystal Growth & Design. 2014, 14(9), pp. 4658-4663. ISSN 1528-7483. eISSN 1528-7505. Available under: doi: 10.1021/cg500743uBibTex
@article{Wisnet2014Model-28957,
year={2014},
doi={10.1021/cg500743u},
title={Model for Hydrothermal Growth of Rutile Wires and the Associated Development of Defect Structures},
number={9},
volume={14},
issn={1528-7483},
journal={Crystal Growth & Design},
pages={4658--4663},
author={Wisnet, Andreas and Betzler, Sophia B. and Zucker, Rachel V. and Dorman, James A. and Wagatha, Peter and Matich, Sonja and Okunishi, Eiji and Schmidt-Mende, Lukas and Scheu, Christina}
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