Universal mechanical exfoliation of large-area 2D crystals
2020年5月15日 · Here we introduce a contamination-free, one-step and universal Au-assisted mechanical exfoliation method and demonstrate its effectiveness by isolating 40 types of single-crystalline monolayers...
A review on mechanical exfoliation for the scalable production of graphene
We highlight the recent progress on mechanical exfoliation for graphene production during the last decade. The emphasis is set on the widely used sonication method with the latest insight into sonication-induced defects, the newly explored ball milling method, the fluid dynamics method that has emerged in the last three years, and the ...
Reliable Exfoliation of Large-Area High-Quality Flakes of Graphene …
2015年9月3日 · Mechanical exfoliation has been a key enabler of the exploration of the properties of two-dimensional materials, such as graphene, by providing routine access to high-quality material. The original exfoliation method, which remained largely unchanged during the past decade, provides relatively small flakes with moderate yield.
Layer-engineered large-area exfoliation of graphene - Science
2020年10月28日 · In this study, we introduce the technique layer-engineered exfoliation (LEE) that not only guarantees large-area graphene but also provides control of the selective number of graphene layers owing to the difference in the interfacial binding …
Mechanical properties of graphene and graphene-based nanocomposites ...
2017年10月1日 · Chemical reduction involves the exfoliation of graphene oxide into single-layer GO sheets, followed by the in-situ reduction of the GO for the production of graphene-like monolayers. This process is strongly affected by the choice of the solvent, the reducing agent and the surfactant, which are combined in order to maintain a stable suspension.
A review on mechanical exfoliation for scalable production of graphene
2015年3月10日 · This review focuses on discussing different exfoliation techniques based on the common mechanical mechanism; because a deep understanding of the exfoliation mechanism can provide fruitful...
Supercritical mechano-exfoliation process - Nature
2024年10月29日 · Here we present a scalable and green supercritical CO 2 -assisted mechano-exfoliation (SCME) process that omits the use of organic solvents and oxidants throughout the production lifecycle,...
Mechanical exfoliation of large area 2D materials from vdW …
2021年5月1日 · Considering the interests in large-area and high-quality single-crystal 2D materials, this review will focus on two popular mechanical exfoliation methods: tape and metal-assisted exfoliation, with emphasis on the extensively investigated graphene …
Extrinsic Corrugation-Assisted Mechanical Exfoliation of Monolayer Graphene
2010年10月25日 · An extrinsic corrugation-assisted mechanical exfoliation process is introduced to fabricate ultra-large, patterned monolayer graphene on silicon substrates. This exfoliation method, without any contamination, offers not only an ideal alternative for the scalable deposition of monolayer graphene on silicon substrates, but also provides a ...
Preparation of graphene by exfoliation and its application in …
2023年10月25日 · Graphene prepared by mechanical exfoliation method is more beneficial to improve the electrochemical performance of lithium-ion batteries. Prospects for their utilization are reviewed together with developments in process approaches that integrate the manufacture of electrode slurry with the preparation of graphene. Previous. Mechanical exfoliation