Three-Dimensional Au-Coated Electrosprayed Nanostructured BODIPY Films on Aluminum Foil as Surface-Enhanced Raman Scattering Platforms and Their Catalytic Applications

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dc.authoridDemirel, Gokhan/0000-0002-9778-917X
dc.authoridErkartal, Mustafa/0000-0002-9772-128X
dc.authoridUsta, Hakan/0000-0002-0618-1979
dc.authoridyilmaz, mehmet/0000-0003-2687-9167
dc.authoridSen, Unal/0000-0003-3736-5049
dc.contributor.authorYilmaz, Mehmet
dc.contributor.authorErkartal, Mustafa
dc.contributor.authorOzdemir, Mehmet
dc.contributor.authorSen, Unal
dc.contributor.authorUsta, Hakan
dc.contributor.authorDemirel, Gokhan
dc.date.accessioned2025-03-23T19:35:51Z
dc.date.available2025-03-23T19:35:51Z
dc.date.issued2017
dc.departmentSinop Üniversitesi
dc.description.abstractThe design and development of three-dimensional (3D) nanostructures with high surface-enhanced Raman scattering (SERS) performances have attracted considerable attention in the fields of chemistry, biology, and materials science. Nevertheless, electrospraying of organic smalt molecules on low-cost flexible substrates has never been studied to realize large-scale SERS-active platforms. Here, we report the facile, efficient, and low-cost fabrication of-Stable and reproducible Au-coated electrosprayed organic semiconductor films (Au@BDY-4TEBDY) on flexible regular aluminum foil at a large scale (5 cm X 5 cm) for practical SERS and catalytic applications. To this end, a well-designed-acceptor-donor-atceptor-type solution-processable molecular semiconductor, BDY-4T-BDY, developed by our group, is used because of its advantageous structural and electrical properties. The morphology of the electrosprayed organic film changes by solution concentration, and two different 3D morphologies with out-of-plane features are obtained. Highly uniform dendritic nanoribbons with sharp needle-like tips and vertically oriented nanoplates (similar to 50 nm thickness) are achieved when electrospraying solution concentrations of 240 and 253% w/v.(mgimL) are, respectively, used. When these electrosprayed organic films are coated with a nanoscopic thin (30 nm) Au layer, the resulting Au@BDY-4T-BDY platforms demonstrate remarkable SERS enhancement factors up to 1.7 X 10(6) with excellent Raman signal reproducibility (relative standard deviation <= 0.13) for methylene blue over the entire film. Finally, Au@BDY-4T-BDY films showed good catalytic activity for the reduction of 4-nitrophenol to 4-aminophenol with rate constants of 1.3 X 10(-2) and 9.2 X 10(-3) min(-1). Our results suggest that electrospraying of rationally designed organic semiconductor molecules on flexible substrates holds great promise to enable low-cost, solution-processed, SERS-active platforms.
dc.description.sponsorshipGazi University [05/2015-19]; Scientific and Technological Research Council of Turkey (TUBITAK) [114M226]; Turkish Academy of Sciences, Distinguished Young Scientist Award (TUBA-GEBIP)
dc.description.sponsorshipThis work was partially supported by Gazi University (Grant No: 05/2015-19) and the Scientific and Technological Research Council of Turkey (TUBITAK) grant number 114M226. G.D. and H.U. acknowledge support from the Turkish Academy of Sciences, Distinguished Young Scientist Award (TUBA-GEBIP).
dc.identifier.doi10.1021/acsami.7b03042
dc.identifier.endpage18206
dc.identifier.issn1944-8244
dc.identifier.issue21
dc.identifier.pmid28480705
dc.identifier.scopus2-s2.0-85020011023
dc.identifier.scopusqualityQ1
dc.identifier.startpage18199
dc.identifier.urihttps://doi.org/10.1021/acsami.7b03042
dc.identifier.urihttps://hdl.handle.net/11486/5949
dc.identifier.volume9
dc.identifier.wosWOS:000402691600061
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAmer Chemical Soc
dc.relation.ispartofAcs Applied Materials & Interfaces
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectSurface-enhanced Raman scattering
dc.subjectorganic semiconductor
dc.subjectelectrospraying
dc.subjectsmall molecule
dc.subjectcatalysis
dc.titleThree-Dimensional Au-Coated Electrosprayed Nanostructured BODIPY Films on Aluminum Foil as Surface-Enhanced Raman Scattering Platforms and Their Catalytic Applications
dc.typeArticle

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