Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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Institution Author: search.filters.institutionAuthor.Demir, Mustafa MuammerSubject: search.filters.subject.Morphology

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  • Article
    Citation - WoS: 12
    Probing Nanoscale Domains of J-Aggregates Deposited on a Mica Surface
    (American Chemical Society, 2004) Demir, Mustafa Muammer; Özçelik, Serdar; Birkan, Burak
    J-aggregates of 1,1′,3,3′-tetraethyl-5,5′,6,6′- tetrachlorobenzimidazolocarbocyanine (TTBC) were deposited on a mica surface and probed by atomic force microscopy operated at tapping mode in air. Optical spectra showed that J-aggregates were formed in aqueous solutions. Atomic force microscopy images revealed that J-aggregates deposited on mica surfaces mainly present single domains with a mean height of 2.00 ± 0.25 nm and an average diameter of 100 ± 20 nm. Quantitative analysis of the morphology of images indicated that the single domain of J-aggregates exhibits very uniform height and diameter distributions with polydispersity indices of 1.02 and 1.04, respectively. Based on the results, we propose a two-dimensional nanostructure in which TTBC J-aggregates could be arranged in a monolayer.