Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO2 surface modified with organic molecules

C. Kobayashi; S. Yoshida; M. Saito; T. Homma

doi:10.1149/1.3576071

Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO₂ surface modified with organic molecules

C. Kobayashi^*, S. Yoshida, M. Saito, T. Homma

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We investigated the influence of electrodeposition conditions to the laterally-enhanced growth from a patterned electrode onto a SiO₂ surface modified with organic molecules. After modifying the SiO₂ surface with polyamidoamine (PAMAM) or self-assembled monolayers (SAMs) of aminopropyltriethoxysilane (APTES), electrodeposition was carried out toward lateral direction on the SiO₂ surface. In order to investigate the influence of the coverage of the organic molecules, the different coverage of APTES-SAMs on the SiO₂ were prepared, and it was suggested that Au ions adsorbed at APTES-SAMs enhance the lateral growth. It was also confirmed that condition of the laterally- enhanced growth, such as thickness and morphology, was changed in accordance with the change in the applied potential and the concentration of Au ions in the bath.

Original language	English
Title of host publication	Molecular Structure of the Solid-Liquid Interface and Its Relationship to Electrodeposition 7
Publisher	Electrochemical Society Inc.
Pages	1-11
Number of pages	11
Edition	37
ISBN (Electronic)	9781566778954
ISBN (Print)	9781607682479
DOIs	https://doi.org/10.1149/1.3576071
Publication status	Published - 2010
Event	Molecular Structure of the Solid - Liquid Interface and Its Relationship to Electrodeposition 7 - 218th ECS Meeting - Las Vegas, NV, United States Duration: 2010 Oct 10 → 2010 Oct 15

Publication series

Name	ECS Transactions
Number	37
Volume	33
ISSN (Print)	1938-5862
ISSN (Electronic)	1938-6737

Conference

Conference	Molecular Structure of the Solid - Liquid Interface and Its Relationship to Electrodeposition 7 - 218th ECS Meeting
Country/Territory	United States
City	Las Vegas, NV
Period	10/10/10 → 10/10/15

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1149/1.3576071

Cite this

Kobayashi, C., Yoshida, S., Saito, M., & Homma, T. (2010). Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO₂ surface modified with organic molecules. In Molecular Structure of the Solid-Liquid Interface and Its Relationship to Electrodeposition 7 (37 ed., pp. 1-11). (ECS Transactions; Vol. 33, No. 37). Electrochemical Society Inc.. https://doi.org/10.1149/1.3576071

Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO₂ surface modified with organic molecules. / Kobayashi, C.; Yoshida, S.; Saito, M.; Homma, T.

Molecular Structure of the Solid-Liquid Interface and Its Relationship to Electrodeposition 7. 37. ed. Electrochemical Society Inc., 2010. p. 1-11 (ECS Transactions; Vol. 33, No. 37).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kobayashi, C, Yoshida, S, Saito, M & Homma, T 2010, Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO₂ surface modified with organic molecules. in Molecular Structure of the Solid-Liquid Interface and Its Relationship to Electrodeposition 7. 37 edn, ECS Transactions, no. 37, vol. 33, Electrochemical Society Inc., pp. 1-11, Molecular Structure of the Solid - Liquid Interface and Its Relationship to Electrodeposition 7 - 218th ECS Meeting, Las Vegas, NV, United States, 10/10/10. https://doi.org/10.1149/1.3576071

Kobayashi C, Yoshida S, Saito M , Homma T. Investigation of laterally-enhanced growth mechanism of Au electrodeposition onto SiO₂ surface modified with organic molecules. In Molecular Structure of the Solid-Liquid Interface and Its Relationship to Electrodeposition 7. 37 ed. Electrochemical Society Inc. 2010. p. 1-11. (ECS Transactions; 37). https://doi.org/10.1149/1.3576071

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AB - We investigated the influence of electrodeposition conditions to the laterally-enhanced growth from a patterned electrode onto a SiO2 surface modified with organic molecules. After modifying the SiO2 surface with polyamidoamine (PAMAM) or self-assembled monolayers (SAMs) of aminopropyltriethoxysilane (APTES), electrodeposition was carried out toward lateral direction on the SiO2 surface. In order to investigate the influence of the coverage of the organic molecules, the different coverage of APTES-SAMs on the SiO2 were prepared, and it was suggested that Au ions adsorbed at APTES-SAMs enhance the lateral growth. It was also confirmed that condition of the laterally- enhanced growth, such as thickness and morphology, was changed in accordance with the change in the applied potential and the concentration of Au ions in the bath.

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