A Sequential Process of Graphene Exfoliation and Site-Selective Copper/Graphene Metallization Enabled by Multifunctional 1-Pyrenebutyric Acid Tetrabutylammonium Salt

Zhao, JieUppsala universitet,Fasta tillståndets elektronik,Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian, Shaanxi, Peoples R China (författare)

This paper reports a procedure leading to shear exfoliation of pristine few-layer graphene flakes in water and subsequent site-selective formation of Cu/graphene films on polymer substrates, both of which are enabled by employing the water soluble 1-pyrenebutyric acid tetrabutylammonium salt (PyB-TBA). The exfoliation with PyB-TBA as an enhancer leads to as-deposited graphene films dried at 90 °C that are characterized by electrical conductivity of ∼110 S/m. Owing to the good affinity of the tetrabutylammonium cations to the catalyst PdCl42–, electroless copper deposition selectively in the graphene films is initiated, resulting in a self-aligned formation of highly conductive Cu/graphene films at room temperature. The excellent solution-phase and low-temperature processability, self-aligned copper growth, and high electrical conductivity of the Cu/graphene films have permitted fabrication of several electronic circuits on plastic foils, thereby indicating their great potential in compliant, flexible, and printed electronics.

NATURVETENSKAP Kemi Materialkemi hsv//swe
NATURAL SCIENCES Chemical Sciences Materials Chemistry hsv//eng
graphene
electroless copper deposition
solution-phase processing
self-aligned metallization
flexible electronics
Engineering Science with specialization in Nanotechnology and Functional Materials

Wen, ChenyuUppsala universitet,Fasta tillståndets elektronik(Swepub:uu)chewe730 (författare)
Sun, RuiUppsala universitet,Nanoteknologi och funktionella material(Swepub:uu)ruisu228 (författare)
Zhang, Shi-LiUppsala universitet,Fasta tillståndets elektronik(Swepub:uu)shizh725 (författare)
Wu, BiaoNorthwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian, Shaanxi, Peoples R China (författare)
Zhang, Zhi-BinUppsala universitet,Fasta tillståndets elektronik(Swepub:uu)zhizh813 (författare)
Zhang, Shili (författare)
Zhang, Zhibin (författare)
Uppsala universitetFasta tillståndets elektronik (creator_code:org_t)

Ingår i:ACS Applied Materials and Interfaces: American Chemical Society (ACS)11:6, s. 6448-64551944-82441944-8252

Av författaren/redakt...: Zhao, Jie; Wen, Chenyu; Sun, Rui; Zhang, Shi-Li; Wu, Biao; Zhang, Zhi-Bin; visa fler...; Zhang, Shili; Zhang, Zhibin; visa färre...

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