Highly Conductive and Transparent Large-Area Bilayer Graphene Realized by MoCl5 Intercalation

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 41 vom: 21. Nov.
1. Verfasser: Kinoshita, Hiroki (VerfasserIn)
Weitere Verfasser: Jeon, Il, Maruyama, Mina, Kawahara, Kenji, Terao, Yuri, Ding, Dong, Matsumoto, Rika, Matsuo, Yutaka, Okada, Susumu, Ago, Hiroki
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article bilayer graphene chemical vapor deposition intercalation photovoltaic cells transparent electrodes
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520 |a Bilayer graphene (BLG) comprises a 2D nanospace sandwiched by two parallel graphene sheets that can be used to intercalate molecules or ions for attaining novel functionalities. However, intercalation is mostly demonstrated with small, exfoliated graphene flakes. This study demonstrates intercalation of molybdenum chloride (MoCl5 ) into a large-area, uniform BLG sheet, which is grown by chemical vapor deposition (CVD). This study reveals that the degree of MoCl5 intercalation strongly depends on the stacking order of the graphene; twist-stacked graphene shows a much higher degree of intercalation than AB-stacked. Density functional theory calculations suggest that weak interlayer coupling in the twist-stacked graphene contributes to the effective intercalation. By selectively synthesizing twist-rich BLG films through control of the CVD conditions, low sheet resistance (83 Ω ▫-1 ) is realized after MoCl5 intercalation, while maintaining high optical transmittance (≈95%). The low sheet resistance state is relatively stable in air for more than three months. Furthermore, the intercalated BLG film is applied to organic solar cells, realizing a high power conversion efficiency 
650 4 |a Journal Article 
650 4 |a bilayer graphene 
650 4 |a chemical vapor deposition 
650 4 |a intercalation 
650 4 |a photovoltaic cells 
650 4 |a transparent electrodes 
700 1 |a Jeon, Il  |e verfasserin  |4 aut 
700 1 |a Maruyama, Mina  |e verfasserin  |4 aut 
700 1 |a Kawahara, Kenji  |e verfasserin  |4 aut 
700 1 |a Terao, Yuri  |e verfasserin  |4 aut 
700 1 |a Ding, Dong  |e verfasserin  |4 aut 
700 1 |a Matsumoto, Rika  |e verfasserin  |4 aut 
700 1 |a Matsuo, Yutaka  |e verfasserin  |4 aut 
700 1 |a Okada, Susumu  |e verfasserin  |4 aut 
700 1 |a Ago, Hiroki  |e verfasserin  |4 aut 
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773 1 8 |g volume:29  |g year:2017  |g number:41  |g day:21  |g month:11 
856 4 0 |u http://dx.doi.org/10.1002/adma.201702141  |3 Volltext 
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