Diblock copolymer pattern protection by silver cluster reinforcement

Bulut, Yusuf; Sochor, Benedikt; Harder, Constantin; Reck, Kristian; Drewes, Jonas; Xu, Zhuijun; Jiang, Xiongzhuo; Meinhardt, Alexander; Jeromin, Arno; Kohantorabi, Mona; Noei, Heshmat; Keller, Thomas F.; Strunskus, Thomas; Faupel, Franz; Müller-Buschbaum, Peter; Roth, Stephan V.

doi:10.1039/d3nr03215a

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2025

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Cited by 4 publications

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Theranostic polymeric micelles mediated drug delivery

Maddila,

Murugaiyan,

Saha

et al. 2025

Theranostics Nanomaterials in Drug Delivery

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Theranostic polymeric micelles mediated drug delivery

Maddila,

Murugaiyan,

Saha

et al. 2025

Theranostics Nanomaterials in Drug Delivery

View full text Add to dashboard Cite

Early-stage silver growth during sputter deposition on SiO2 and polystyrene – Comparison of biased DC magnetron sputtering, high-power impulse magnetron sputtering (HiPIMS) and bipolar HiPIMS

Reck,

Bulut,

et al. 2024

Applied Surface Science

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Investigating Gold Deposition with High-Power Impulse Magnetron Sputtering and Direct-Current Magnetron Sputtering on Polystyrene, Poly-4-vinylpyridine, and Polystyrene Sulfonic Acid

Bulut,

Sochor,

Reck

et al. 2024

Langmuir

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Fabricating thin metal layers and particularly observing their formation process in situ is of fundamental interest to tailor the quality of such a layer on polymers for organic electronics. In particular, the process of high power impulse magnetron sputtering (HiPIMS) for establishing thin metal layers has sparsely been explored in situ. Hence, in this study, we investigate the growth of thin gold (Au) layers with HiPIMS and compare their growth with thin Au layers prepared by conventional direct current magnetron sputtering (dcMS). Au was chosen because it is an inert noble metal and has a high scattering length density. This allows us to track the growing nanostructures via grazing incidence scattering. In particular, Au deposition on the polymer polystyrene (PS) with the respective structural analogues poly-4-vinlypyridine (P4VP) and polystyrene sulfonic acid (PSS) is studied. Additionally, the nanostructured layers on these different polymer films are further probed by field emission scanning electron microscopy (FESEM), atomic force microscopy (AFM), X-ray reflectometry (XRR), and four-point probe measurements. We report that HiPIMS leads to smaller island-to-island distances throughout the whole sputter process. Moreover, an increased cluster density and an earlier percolation threshold are achieved compared to dcMS. Additionally, in the early stage, we observe a significant increase in coverage by HiPIMS, which is favorable for the improvement of the polymer−metal interface.

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Diblock copolymer pattern protection by silver cluster reinforcement

Abstract: Pattern fabrication by self-assembly of diblock copolymers is of strong interest due to the simplicity in fabricating complex structures. Especially polystyrene-block-poly-4-vinylpyridine (PS-b-P4VP) is a fascinating base material as it is...

Cited by 4 publications

References 58 publications

Theranostic polymeric micelles mediated drug delivery

Theranostic polymeric micelles mediated drug delivery

Early-stage silver growth during sputter deposition on SiO2 and polystyrene – Comparison of biased DC magnetron sputtering, high-power impulse magnetron sputtering (HiPIMS) and bipolar HiPIMS

Investigating Gold Deposition with High-Power Impulse Magnetron Sputtering and Direct-Current Magnetron Sputtering on Polystyrene, Poly-4-vinylpyridine, and Polystyrene Sulfonic Acid

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