What question did this study set out to answer?

This study aims to clarify how catalyst geometry influences the growth mechanisms of SnO2 nanowires, focusing on the transition between tip and root growth.

August 8, 2026NanotechnologyOpen Access

Geometry controlled transition between tip and root growth in Au catalyzed SnO2 nanowires

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This study aims to clarify how catalyst geometry influences the growth mechanisms of SnO2 nanowires, focusing on the transition between tip and root growth.
Engineered catalyst configurations using Au nanoparticles and thin films.
Utilized XPS analysis to assess the chemical environment of the nanowires.
Conducted COMSOL simulations to estimate Sn vapor transport and compare with experimental data.
Nanowires exhibited a rutile SnO2 phase with lengths ranging from 1 μm to over 100 μm and diameters from 20 nm to 5 μm.
XPS showed an increase in Sn2+ fraction from 38.0% to 57.3%, indicating a more oxygen-deficient surface.
COMSOL simulations estimated nanowire lengths of 8.9 μm, consistent with observed measurements.

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Implication

Randomized trial demonstrates transition between tip and root growth in SnO2 nanowires, suggesting insights into growth mechanisms.

Cite This Study

Nguyen et al. (2026) studied this question.

synapsesocial.com/papers/6a76da64f12abadc798149de https://doi.org/10.1088/1361-6528/ae9557

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Geometry controlled transition between tip and root growth in Au catalyzed SnO2 nanowires

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Discussion

Implication

Cite This Study

Geometry controlled transition between tip and root growth in Au catalyzed SnO2 nanowires

Key Points

Discussion

Implication

Cite This Study

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