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Title: Germanium-Assisted Direct Growth of Graphene on Arbitrary Dielectric Substrates for Heating Devices

Journal Article · · Small
 [1];  [1];  [1];  [2];  [1];  [3];  [4];  [1];  [1]
  1. Chinese Academy of Sciences (CAS), Shanghai (China)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. City Univ. of Hong Kong (China)
  4. Fudan Univ., Shanghai (China)

Direct growth of graphene on dielectric substrates is a prerequsite for the development of graphene-based electronic and optoelectronic devices. However, the current graphene synthesis directly on dielectric substrates always involves metal contamination problem, and the direct production of graphene patterns still remains unattainable and challenging. We propose herein a semiconducting Ge-assisted chemical vapor deposition approach to directly grow monolayer graphene on arbitrary dielectric substrates. By pre-patterning of catalytic Ge layer, the graphene with desired pattern can be achieved with extreme ease. Due to the catalysis of Ge, monolayer graphene is able to form on Ge covered dielectric substrates including SiO2/Si, quartz glass and sapphire substrates. Optimization of the process parameters leads to the complete sublimation of catalytic Ge layer during or immediately after monolayer graphene formation, thus resulting in direct deposition of large-area continuous graphene on dielectric substrates. The large-area, highly conductive graphene synthesized on transparent dielectric substrate using the proposed approach has exhibited wide applications, e.g., in defogger and in thermochromic displays, with both devices possessing excellent performances.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC). Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1427391
Report Number(s):
LA-UR-18-21406
Journal Information:
Small, Vol. 13, Issue 28; ISSN 1613-6810
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 30 works
Citation information provided by
Web of Science

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Cited By (11)

Graphene on Group‐IV Elementary Semiconductors: The Direct Growth Approach and Its Applications journal February 2019
Ultrahigh Temperature Graphene Molecular Heater journal January 2018
Highly Sensitive Broadband Single-Walled Carbon Nanotube Photodetectors Enhanced by Separated Graphene Nanosheets journal September 2018
Applications of Phosphorene and Black Phosphorus in Energy Conversion and Storage Devices journal December 2017
Graphene transparent conductive films directly grown on quartz substrates by assisted catalysis of Cu nanoparticles journal April 2019
Wetting behaviors and applications of metal-catalyzed CVD grown graphene journal January 2018
Direct integration of polycrystalline graphene on silicon as a photodetector via plasma-assisted chemical vapor deposition journal January 2018
Graphene van der Waals heterostructures for high-performance photodetectors journal January 2019
Semiconducting single-walled carbon nanotube/graphene van der Waals junctions for highly sensitive all-carbon hybrid humidity sensors journal January 2020
NO 2 gas sensor based on graphene decorated with Ge quantum dots journal December 2018
Direct Synthesis of Graphene Dendrites on SiO2/Si Substrates by Chemical Vapor Deposition journal January 2020

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