Abstract

Abstract Large scale SnO microhydrangeas are obtained successfully through thermally evaporating of SnO2 powder wrapped by a filter paper at 1050°C and using gold coated Si wafer as the substrate. The as-obtained SnO microhydrangeas are consisted of many thin nanosheets with the thicknesses of 30–60 nm and the diameters of 500–600 nm. A vapor-liquid-solid (VLS) growth mechanism for the as-synthesized SnO microhydrangeas was proposed based on experimental results. Photoluminescence spectrum (PL) shows that there is a strong sharp ultraviolet emission peak at 390 nm, revealing that these three-dimensional SnO microhydrangeas may have potential applications in optoelectronic fields.

Highlights

  • Large scale SnO microhydrangeas are obtained successfully through thermally evaporating of SnO2 powder wrapped by a filter paper at 1050°C and using gold coated Si wafer as the substrate

  • As is known, SnO is technologically important as a p-type semiconductor, which is a key functional material that has been widely studied for various potential applications [12]

  • We present a Thermally vapor deposition approach for the controlled growth of SnO microhydrangeas

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Summary

Introduction

Large scale SnO microhydrangeas are obtained successfully through thermally evaporating of SnO2 powder wrapped by a filter paper at 1050°C and using gold coated Si wafer as the substrate. As is known, SnO is technologically important as a p-type semiconductor, which is a key functional material that has been widely studied for various potential applications [12]. Synthesis of hydrangealike SnO structure with thin nanosheet assemblies is rarely reported [20]. We present a Thermally vapor deposition approach for the controlled growth of SnO microhydrangeas.

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