Chemically-modified graphene sheets as an active layer for eco-friendly metal electroplating on plastic substrates

Eco-friendly nickel (Ni) electroplating was carried out on a plastic substrate using chemically modified graphene sheets as an active and conductive layer to initiate electroplating without using conventional pre-treatment or electroless metal-seeding processes. A graphene oxide (GO) solution was se...

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Veröffentlicht in:	Thin solid films 2012-10, Vol.521, p.270-274
Hauptverfasser:	Oh, Joon-Suk, Hwang, Taeseon, Nam, Gi-Yong, Hong, Jung-Pyo, Bae, Ah-Hyun, Son, Sang-Ik, Lee, Geun-Ho, Sung, Hak kyung, Choi, Hyouk Ryeol, Koo, Ja Choon, Nam, Jae-Do
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Defects and impurities in crystals microstructure Eco-friendly plating Electrical resistivity Electrodeposition, electroplating Electroplating Exact sciences and technology Fullerenes and related materials diamonds, graphite Graphene Graphene oxide Materials science Metallization Methods of deposition of films and coatings film growth and epitaxy Microscopic defects (voids, inclusions, etc.) Nickel Oxides Physics Polyethylene terephthalates Sheet metal Specific materials Structure and morphology thickness Structure of solids and liquids crystallography Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology Thin films
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Beschreibung
Zusammenfassung:	Eco-friendly nickel (Ni) electroplating was carried out on a plastic substrate using chemically modified graphene sheets as an active and conductive layer to initiate electroplating without using conventional pre-treatment or electroless metal-seeding processes. A graphene oxide (GO) solution was self-assembled on a polyethylene terephthalate (PET) film followed by evaporation to give GO layers (thickness around 6.5μm) on PET (GO/PET) film. Then, the GO/PET film was chemically and thermally reduced to convert the GO layers to reduced graphene oxide (RGO) layers on the PET substrate. The RGO-coated PET (RGO/PET) film showed the sheet resistance of 100Ω per square. On RGO/PET film, Ni electroplating was conducted under the constant-current condition and the entire surface of the PET film was completely metalized with Ni without any voids.
ISSN:	0040-6090 1879-2731
DOI:	10.1016/j.tsf.2011.10.152