Edge-carboxylated graphene nanosheets via ball milling

Edge-carboxylated graphene nanosheets via ball milling

Low-cost, high-yield production of graphene nanosheets (GNs) is essential for practical applications. We have achieved high yield of edge-selectively carboxylated graphite (ECG) by a simple ball milling of pristine graphite in the presence of dry ice. The resultant ECG is highly dispersable in vario...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2012-04, Vol.109 (15), p.5588-5593
Hauptverfasser: Jeon, In-Yup, Shin, Yeon-Ran, Sohn, Gyung-Joo, Choi, Hyun-Jung, Bae, Seo-Yoon, Mahmood, Javeed, Jung, Sun-Min, Seo, Jeong-Min, Kim, Min-Jung, Chang, Dong Wook, Dai, Liming, Baek, Jong-Beom
Format: Artikel
Sprache:eng
Schlagworte:
Ball milling
Carbon dioxide
Carboxylation
Carboxylic acids
Catalysts
decarboxylation
dispersions
electrical conductivity
Electrocardiography
Graphene
Graphite
heat treatment
ice
Materials
milling
nanomaterials
Oxides
Physical Sciences
Resultants
Solvents
Thin films
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Zusammenfassung:Low-cost, high-yield production of graphene nanosheets (GNs) is essential for practical applications. We have achieved high yield of edge-selectively carboxylated graphite (ECG) by a simple ball milling of pristine graphite in the presence of dry ice. The resultant ECG is highly dispersable in various solvents to self-exfoliate into single-and few-layer (
ISSN:0027-8424
1091-6490
DOI:10.1073/pnas.1116897109