Journal article
Two-Dimensional Titanium Carbide (MXene) as Surface-Enhanced Raman Scattering Substrate
Journal of physical chemistry. C, v 121(36), pp 19983-19988
14 Sep 2017
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Noble metal (gold or silver) nanoparticles or patterned films are typically used as substrates for surface-enhanced Raman spectroscopy (SERS). Two-dimensional (2D) carbides and nitrides (MXenes) exhibit unique electronic and optical properties, including metallic conductivity and plasmon resonance in the visible or near-infrared range, making them promising candidates for a wide variety of applications. Herein, we show that 2D titanium carbide, Ti3C2Tx, enhances Raman signal from organic dyes on a substrate and in solution. As a proof of concept, MXene SERS substrates were manufactured by spray-coating and used to detect several common dyes, with calculated enhancement factors reaching ∼106. Titanium carbide MXene demonstrates SERS effect in aqueous colloidal solutions, suggesting the potential for biomedical or environmental applications, where MXene can selectively enhance positively charged molecules.
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Details
- Title
- Two-Dimensional Titanium Carbide (MXene) as Surface-Enhanced Raman Scattering Substrate
- Creators
- Asia Sarycheva - Department of Materials Science and Engineering and A.J. Drexel Nanomaterials InstituteTaron Makaryan - Department of Materials Science and Engineering and A.J. Drexel Nanomaterials InstituteKathleen Maleski - Department of Materials Science and Engineering and A.J. Drexel Nanomaterials InstituteElumalai Satheeshkumar - National Institute of Technology-Trichy, TiruchirappalliArmen Melikyan - Russian-Armenian (Slavonic) State UniversityHayk Minassian - A. Alikhanian National Science LaboratoryMasahiro Yoshimura - National Cheng Kung UniversityYury Gogotsi - Department of Materials Science and Engineering and A.J. Drexel Nanomaterials Institute
- Publication Details
- Journal of physical chemistry. C, v 121(36), pp 19983-19988
- Publisher
- American Chemical Society; Washington, DC
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000411171800046
- Scopus ID
- 2-s2.0-85029513605
- Other Identifier
- 991014969767004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology