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Journal Article

Ultrasonic-assisted synthesis of highly defined silver nanodimers by self-assembly for improved surface-enhanced Raman spectroscopy

MPS-Authors
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Zhang,  Junfang
Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Gim,  Soeun
Martina Delbianco, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Paris,  Grigori
Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Dallabernardina,  Pietro
Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Schmitt,  Clemens N. Z.
Luca Bertinetti, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Eickelmann,  Stephan
Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Löffler,  Felix F.
Felix Löffler, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Zhang, J., Gim, S., Paris, G., Dallabernardina, P., Schmitt, C. N. Z., Eickelmann, S., et al. (2020). Ultrasonic-assisted synthesis of highly defined silver nanodimers by self-assembly for improved surface-enhanced Raman spectroscopy. Chemistry – A European Journal, 26(6), 1243-1248. doi:10.1002/chem.201904518.


Cite as: https://hdl.handle.net/21.11116/0000-0005-61B5-1
Abstract
Considerable research efforts have been devoted to surface-enhanced Raman spectroscopy (SERS), due to its excellent performance in biosensing and imaging. Here, we present a novel and facile strategy for the fabrication of well-defined and uniform nanodimers as SERS substrates. By the assistance of ultrasound, the violent polyol process for particle generation becomes controllable, enabling the self-assembly of nanostars to nanodimers. Moreover, the aggregation of nanodimers can be easily tuned by post-ultrasonic treatment, which gives a sensitive substrate for SERS.