SERS of trititanate nanotubes : selective enhancement of catechol compounds
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The surface enhanced Raman scattering of trititanate nanotubes (TiNT) modified with enediol ligands was investigated and it was found that the functional group dramatically affects the enhancement observed. For TiNT‐4‐nitrocatechol, a SERS enhancement is seen; however, when dopamine is attached, no signal is seen. The relative band gap positions upon 785 nm laser excitation are proposed to explain the observed phenomenon. This attachment is investigated by solid state NMR and UV/Vis spectroscopy and supported by DFT calculations to offers further insights into catechol coatings of nanomaterials and SERS by the chemical method. We expect this non noble metal containing composite material to have applications in bioimaging and bio and chemical detection.
Liu , R , Morris , E , Cheng , X , Amigues , E , Lau , K , Kim , B , Liu , Y , Ke , Z , Ashbrook , S E , Bühl , M & Dawson , G 2018 , ' SERS of trititanate nanotubes : selective enhancement of catechol compounds ' , ChemistrySelect , vol. 3 , no. 28 , pp. 8338-8343 . https://doi.org/10.1002/slct.201801781
© 2018 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim. This work has been made available online in accordance with the publisher’s policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1002/slct.201801781
DescriptionFunding: Xi'an Jiaotong Liverpool University. Grant Number: RDF- RDF-16-01-06.
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