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  Fabrication of highly oriented nanocluster arrays by biomolecular templating

Mertig, M., Kirsch, R., Pompe, W., & Engelhardt, H. (1999). Fabrication of highly oriented nanocluster arrays by biomolecular templating. European Physical Journal D, 9(1-4 Special Issue SI), 45-48.

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Genre: Journal Article
Alternative Title : Eur. Phys. J. D

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Mertig, M., Author
Kirsch, R., Author
Pompe, W., Author
Engelhardt, H.1, Author           
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1External Organizations, ou_persistent22              

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Free keywords: Bicontinuous cubic phase; Bacterial surface-layer; S-layers; Metallization.; Physics in Current Contents(R)/Physical, Chemical & Earth Sciences.
 Abstract: The formation of highly oriented cluster arrays by chemical deposition of platinum onto a regular 2D protein template is studied. The crystalline bacterial surface layer (S layer) of Sporosarcina ureae exhibiting a p4 symmetry with a lattice spacing of 13.2 nm is used as the protein template. Cluster deposition onto the S layer is achieved by chemical reduction of a platinum salt. The growth kinetics of the clusters has been examined by UV-VIS spectrometry. Transmission electron microscopy reveals the formation of well separated metal clusters with an average diameter of 1.9 +/- 0.6 nm. The lateral cluster arrangement is defined by the underlying protein crystal. We observe 7 cluster sites per unit cell corresponding to a density of 4 x 10(12) cm(-2). They are located in the nano-sized pores and gaps of the crystalline S layer. [References: 22]

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 Dates: 1999
 Publication Status: Published in print
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 Identifiers: eDoc: 318773
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Title: European Physical Journal D
  Alternative Title : Eur. Phys. J. D
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 9 (1-4 Special Issue SI) Sequence Number: - Start / End Page: 45 - 48 Identifier: -