Size and Crystal Orientation-Dependent Thermal Behaviors of ZnO Nanobelts

Ningning Song; Ruoxi Chen; Yingchao Yang; Xiaodong Li

doi:10.1021/acs.jpcc.0c09571

Size and Crystal Orientation-Dependent Thermal Behaviors of ZnO Nanobelts

Ningning Song, Ruoxi Chen, Yingchao Yang^*, Xiaodong Li^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We report the size and crystal orientation-dependent thermal behaviors of zinc oxide (ZnO) nanobelts revealed by transmission electron microscopy (TEM) and atomic force microscopy imaging. Direct observation of lattice evolution upon heating unveiled an increase in thermal expansion, yet a decrease of melting point with decreasing ZnO dimensions. Additionally, ZnO nanobelts exhibited orientation dependency on thermal behaviors. High-resolution TEM inspection together with molecular dynamics simulations jointly revealed severe lattice distortion and expansion at and near the nanobelt surface and strong orientation dependency on binding energy. These findings advance our understanding of nano-enabled properties and provide additional design guidelines for developing nanodevices.

Original language	English
Pages (from-to)	27222-27229
Number of pages	8
Journal	Journal of Physical Chemistry C
Volume	124
Issue number	49
DOIs	https://doi.org/10.1021/acs.jpcc.0c09571
Publication status	Published - 10 Dec 2020
Externally published	Yes

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title = "Size and Crystal Orientation-Dependent Thermal Behaviors of ZnO Nanobelts",

abstract = "We report the size and crystal orientation-dependent thermal behaviors of zinc oxide (ZnO) nanobelts revealed by transmission electron microscopy (TEM) and atomic force microscopy imaging. Direct observation of lattice evolution upon heating unveiled an increase in thermal expansion, yet a decrease of melting point with decreasing ZnO dimensions. Additionally, ZnO nanobelts exhibited orientation dependency on thermal behaviors. High-resolution TEM inspection together with molecular dynamics simulations jointly revealed severe lattice distortion and expansion at and near the nanobelt surface and strong orientation dependency on binding energy. These findings advance our understanding of nano-enabled properties and provide additional design guidelines for developing nanodevices.",

author = "Ningning Song and Ruoxi Chen and Yingchao Yang and Xiaodong Li",

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AU - Song, Ningning

AU - Chen, Ruoxi

AU - Yang, Yingchao

AU - Li, Xiaodong

PY - 2020/12/10

Y1 - 2020/12/10

N2 - We report the size and crystal orientation-dependent thermal behaviors of zinc oxide (ZnO) nanobelts revealed by transmission electron microscopy (TEM) and atomic force microscopy imaging. Direct observation of lattice evolution upon heating unveiled an increase in thermal expansion, yet a decrease of melting point with decreasing ZnO dimensions. Additionally, ZnO nanobelts exhibited orientation dependency on thermal behaviors. High-resolution TEM inspection together with molecular dynamics simulations jointly revealed severe lattice distortion and expansion at and near the nanobelt surface and strong orientation dependency on binding energy. These findings advance our understanding of nano-enabled properties and provide additional design guidelines for developing nanodevices.

AB - We report the size and crystal orientation-dependent thermal behaviors of zinc oxide (ZnO) nanobelts revealed by transmission electron microscopy (TEM) and atomic force microscopy imaging. Direct observation of lattice evolution upon heating unveiled an increase in thermal expansion, yet a decrease of melting point with decreasing ZnO dimensions. Additionally, ZnO nanobelts exhibited orientation dependency on thermal behaviors. High-resolution TEM inspection together with molecular dynamics simulations jointly revealed severe lattice distortion and expansion at and near the nanobelt surface and strong orientation dependency on binding energy. These findings advance our understanding of nano-enabled properties and provide additional design guidelines for developing nanodevices.

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JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 49

ER -

Size and Crystal Orientation-Dependent Thermal Behaviors of ZnO Nanobelts

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