DataVXThe Journal of Physical Chemistry CPaper
journal article·2022-10-13

Nanoconfined Crystal Growth of Copper-Intercalated Graphene Oxide Interlayers

Shuhong Dong, Haiqiang Wang, Hongrong Wu, Jun Liu, Junhua Zhao

The Journal of Physical Chemistry C· Volume 126· Issue 40
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Source abstract

Abstract

Recently, graphene oxide (GO) has been taken as a host for ultra-fast self-assembly of metal nanoparticles [ Nat. Commun. 2016, 7, 12332] or synthesis of ultrathin and mechanically robust lithium foils [ Nat. Energy 2021, 6, 790–798]. However, the main factors dominating preparations of these nanoconfined metals are still not clear. In this study, the crystal growth mechanism of copper (Cu) nanosheet-intercalated GO interlayers has been revealed by combining theoretical models with molecular dynamics simulations. Both the interlayer spacing and oxidation degree of GO play key roles in crystal growth velocities, which increase with increasing interlayer spacings but decrease with increasing oxidation degrees. The phenomenon is found to be a consequence of crystal growth being energetically favorable and a small ratio of interfacial van der Waals-affected zones for larger crystal thicknesses and strong hydrophilic properties of GO with higher oxidation degrees. In addition, more smooth surfaces have been observed for nanoconfined metals. These insights provide an effective method for generating nanocrystalline metals in a nanoconfined environment.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Graphene research and applications · Graphene and Nanomaterials Applications · Nanomaterials for catalytic reactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, 214122 Wuxi, PR China

Institute of Strength and Multi-scale Mechanics of Mechanical Structures, School of Mechanical Engineering, Jiangnan University, 214122 Wuxi, PR China

Funding

China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · State Key Laboratory of Mechanical System and Vibration · Six Talent Peaks Project in Jiangsu Province · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment & Technology · Programs of Innovation and Entrepreneurship of Jiangsu Province, Primary Research & Development Plan of Jiangsu Province · Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education · National First-Class Discipline Program of Food Science and Technology

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