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Title: | SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions | Authors: | Koh, Charlynn Sher Lin Lee, Hiang Kwee Phan-Quang, Gia Chuong Han, Xuemei Lee, Mian Rong Yang, Zhe Ling, Xing Yi |
Keywords: | Science::Physics | Issue Date: | 2017 | Source: | Koh, C. S. L., Lee, H. K., Phan-Quang, G. C., Han, X., Lee, M. R., Yang, Z., & Ling, X. Y. (2017). SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions. Angewandte Chemie International Edition, 56(30), 8813-8817. doi:10.1002/anie.201704433 | Journal: | Angewandte Chemie International Edition | Abstract: | Liquid marbles are emergent microreactors owing to their isolated environment and the flexibility of materials used. Plasmonic liquid marbles (PLMs) are demonstrated as the smallest spectroelectrochemical microliter‐scale reactor for concurrent spectro‐ and electrochemical analyses. The three‐dimensional Ag shell of PLMs are exploited as a bifunctional surface‐enhanced Raman scattering (SERS) platform and working electrode for redox process modulation. The combination of SERS and electrochemistry (EC) capabilities enables in situ molecular read‐out of transient electrochemical species, and elucidate the potential‐dependent and multi‐step reaction dynamics. The 3D configuration of our PLM‐based EC‐SERS system exhibits 2‐fold and 10‐fold superior electrochemical and SERS performance than conventional 2D platforms. The rich molecular‐level electrochemical insights and excellent EC‐SERS capabilities offered by our 3D spectroelectrochemical system are pertinent in charge transfer processes. | URI: | https://hdl.handle.net/10356/143425 | ISSN: | 1433-7851 | DOI: | 10.1002/anie.201704433 | Schools: | School of Physical and Mathematical Sciences | Organisations: | Institute of Materials Research and Engineering, A*STAR | Rights: | This is the accepted version of the following article: Koh, C. S. L., Lee, H. K., Phan-Quang, G. C., Han, X., Lee, M. R., Yang, Z., & Ling, X. Y. (2017). SERS- and electrochemically active 3D Plasmonic liquid marbles for molecular-level spectroelectrochemical investigation of microliter reactions. Angewandte Chemie International Edition, 56(30), 8813-8817. doi:10.1002/anie.201704433, which has been published in final form at https://doi.org/10.1002/anie.201704433. This article may be used for non-commercial purposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/authorresources/Journal-Authors/licensing/self-archiving.html]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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SERS and Electrochemically Active 3D Plasmonic Liquid Marble for Molecular Level Spectroelectrochemical Investigation of Microliter Reaction.pdf | 579.08 kB | Adobe PDF | View/Open |
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