Thiol‐modified gold‐coated glass as an efficient hydrophobic substrate for drop coating deposition Raman (DCDR) technique | Zendy

Kočišová Eva | Zendy; Procházka Marek | Zendy; Šípová Hana | Zendy

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Thiol‐modified gold‐coated glass as an efficient hydrophobic substrate for drop coating deposition Raman (DCDR) technique

Author(s) -

Kočišová Eva,

Procházka Marek,

Šípová Hana

Publication year - 2016

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.4961

Subject(s) - raman spectroscopy , substrate (aquarium) , layer (electronics) , materials science , coating , drop (telecommunication) , chemical engineering , nanotechnology , composite material , optics , telecommunications , oceanography , physics , engineering , geology , computer science

In this paper we report an easy and low‐cost way to prepare a hydrophobic substrate for drop coating deposition Raman (DCDR) spectroscopy. This substrate is formed by a thiol‐modified Au‐coated glass and provides the Raman spectra with the same quality as the commercial Teflon‐coated stainless steel substrate (SpectRIM™, Tienta Sciences, Inc.) for model molecular systems – albumin solution and liposome suspension. Gold layer, similarly to polished steel in the commercial substrate, served as a highly refractive layer strongly increasing the Raman signal. The main advantage of introduced substrate is that it is simple and a low‐cost preparation easily manageable in every standard laboratory. Thus, it represents a promising alternative to commercial Teflon‐coated stainless steel substrate. Copyright © 2016 John Wiley & Sons, Ltd.

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