Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip

In this work, we propose a novel approach for wafer-scale integration of 2D materials on CMOS photonic chip utilising methods of synthetic chemistry and microfluidics technology. We have successfully demonstrated that this approach can be used for integration of any fluid-dispersed 2D nano-objects o...

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Autores principales: Hogan, Benjamin T., Dyakov, Sergey A., Brennan, Lorcan J., Younesy, Salma, Perova, Tatiana S., Gun’ko, Yurii K., Craciun, Monica F., Baldycheva, Anna
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5301493/
https://www.ncbi.nlm.nih.gov/pubmed/28186118
http://dx.doi.org/10.1038/srep42120
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author Hogan, Benjamin T.
Dyakov, Sergey A.
Brennan, Lorcan J.
Younesy, Salma
Perova, Tatiana S.
Gun’ko, Yurii K.
Craciun, Monica F.
Baldycheva, Anna
author_facet Hogan, Benjamin T.
Dyakov, Sergey A.
Brennan, Lorcan J.
Younesy, Salma
Perova, Tatiana S.
Gun’ko, Yurii K.
Craciun, Monica F.
Baldycheva, Anna
author_sort Hogan, Benjamin T.
collection PubMed
description In this work, we propose a novel approach for wafer-scale integration of 2D materials on CMOS photonic chip utilising methods of synthetic chemistry and microfluidics technology. We have successfully demonstrated that this approach can be used for integration of any fluid-dispersed 2D nano-objects on silicon-on-insulator photonics platform. We demonstrate for the first time that the design of an optofluidic waveguide system can be optimised to enable simultaneous in-situ Raman spectroscopy monitoring of 2D dispersed flakes during the device operation. Moreover, for the first time, we have successfully demonstrated the possibility of label-free 2D flake detection via selective enhancement of the Stokes Raman signal at specific wavelengths. We discovered an ultra-high signal sensitivity to the xyz alignment of 2D flakes within the optofluidic waveguide. This in turn enables precise in-situ alignment detection, for the first practicable realisation of 3D photonic microstructure shaping based on 2D-fluid composites and CMOS photonics platform, while also representing a useful technological tool for the control of liquid phase deposition of 2D materials.
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spelling pubmed-53014932017-02-15 Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip Hogan, Benjamin T. Dyakov, Sergey A. Brennan, Lorcan J. Younesy, Salma Perova, Tatiana S. Gun’ko, Yurii K. Craciun, Monica F. Baldycheva, Anna Sci Rep Article In this work, we propose a novel approach for wafer-scale integration of 2D materials on CMOS photonic chip utilising methods of synthetic chemistry and microfluidics technology. We have successfully demonstrated that this approach can be used for integration of any fluid-dispersed 2D nano-objects on silicon-on-insulator photonics platform. We demonstrate for the first time that the design of an optofluidic waveguide system can be optimised to enable simultaneous in-situ Raman spectroscopy monitoring of 2D dispersed flakes during the device operation. Moreover, for the first time, we have successfully demonstrated the possibility of label-free 2D flake detection via selective enhancement of the Stokes Raman signal at specific wavelengths. We discovered an ultra-high signal sensitivity to the xyz alignment of 2D flakes within the optofluidic waveguide. This in turn enables precise in-situ alignment detection, for the first practicable realisation of 3D photonic microstructure shaping based on 2D-fluid composites and CMOS photonics platform, while also representing a useful technological tool for the control of liquid phase deposition of 2D materials. Nature Publishing Group 2017-02-10 /pmc/articles/PMC5301493/ /pubmed/28186118 http://dx.doi.org/10.1038/srep42120 Text en Copyright © 2017, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Hogan, Benjamin T.
Dyakov, Sergey A.
Brennan, Lorcan J.
Younesy, Salma
Perova, Tatiana S.
Gun’ko, Yurii K.
Craciun, Monica F.
Baldycheva, Anna
Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title_full Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title_fullStr Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title_full_unstemmed Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title_short Dynamic in-situ sensing of fluid-dispersed 2D materials integrated on microfluidic Si chip
title_sort dynamic in-situ sensing of fluid-dispersed 2d materials integrated on microfluidic si chip
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5301493/
https://www.ncbi.nlm.nih.gov/pubmed/28186118
http://dx.doi.org/10.1038/srep42120
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