Synthesis, luminescence and micro-Raman study of In2Ge2O7 nanobelts and nanowires

Hidalgo, P.; Wilson, Y. Orla; Ortega, Y.; Piqueras, J.

doi:10.1016/j.mseb.2014.12.015

Cited by 7 publications

(2 citation statements)

References 20 publications

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“…After the thermal treatment, a significant amount of nano-and microstructures were formed on the pellet by an evaporation-deposition process. This synthesis method has already been used to obtain other Ge-based oxides, such as GeO 2 [13] or In 2 Ge2O 7 [14] nanostructures. The products were deposited onto silicon wafers for their further characterization.…”

Section: Methodsmentioning

confidence: 99%

Efficient white-light emission from Zn2GeO4 nanomaterials

Alcalde¹,

Dolado²,

Martín

2019

Oxide-Based Materials and Devices X

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Zn 2 GeO 4 is a novel transparent conductive oxide material, with an ultra-wide band gap of 4.5 eV, and rather good electrical conductivity. Zn 2 GeO 4 nano-and microwires grown by a thermal technique show two intense emission bands centered in the UV and VIS region, respectively. In this work, we have studied the correlation between luminescence and structural properties in undoped and Mg doped samples. The waveguiding behavior of the microrods has been assessed by the excitation with a 325 nm laser and analysis of the transmitted light along the structure. The intense white luminescence of Zn 2 GeO 4 nanomaterials makes them of interest as efficient phosphors for field emission displays.

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Section: Methodsmentioning

confidence: 99%

Efficient white-light emission from Zn2GeO4 nanomaterials

Alcalde¹,

Dolado²,

Martín

2019

Oxide-Based Materials and Devices X

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“…Some examples are in previous studies. [6][7][8][9][10][11][12][13] Other important method to grow oxide nanowires and other nanostructures is the direct thermal oxidation of metals in air or other oxidizing atmospheres in a furnace or hot plate. Direct thermal oxidation is a simple and rapid method as compared with the synthesis based on an evaporation process.…”

Section: Introductionmentioning

confidence: 99%

Growth of Metal Oxide Nanostructures by Thermal Oxidation of Metals Under Influence of External Electric Fields and Electric Current Flow

Piqueras

Hidalgo

2021

Physica Status Solidi (a)

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Thermal oxidation of metals in a furnace or a hot plate is a simple and low‐cost method to grow nanowires and other nanostructures of oxides of technological interest. In comparison with evaporation–deposition techniques based on vapor–solid (VS) or vapor–liquid–solid (VLS) mechanisms, thermal oxidation is a more direct and easy technique but does not normally lead to the formation of complex heterostructures or ternary oxides. Application of an external electric field at the sample during thermal oxidation has been used to improve the control of the nanowire dimensions, or final concentration on the starting metal surface. Other approach to grow oxide nanowires during the oxidation process is to heat the sample by Joule effect by the flow of a high‐density electric current in a metal wire. Joule heating has been found to reduce the growth time, typically some hours in thermal oxidation or evaporation–deposition methods, to few seconds or minutes. Herein, the results of representative articles on nanowire growth during thermal oxidation under the presence of an electric field and on the growth during Joule heating are summarized in the frame of mechanisms of stress relaxation‐driven ion diffusion and of thermally assisted electromigration.

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Nanostructures based on UWBG materials

2019

Ultra-Wide Bandgap Semiconductor Materials

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Synthesis, luminescence and micro-Raman study of In2Ge2O7 nanobelts and nanowires

Cited by 7 publications

References 20 publications

Efficient white-light emission from Zn2GeO4 nanomaterials

Efficient white-light emission from Zn2GeO4 nanomaterials

Growth of Metal Oxide Nanostructures by Thermal Oxidation of Metals Under Influence of External Electric Fields and Electric Current Flow

Nanostructures based on UWBG materials

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