999C1a:GBP108/12/G108 - Výsledky hledání - Digitální repozitář

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	Foreign substrates pre-treatment using polymer composites in plasma-enhanced CVD growth of diamond fibers and layers Potocký, Štěpán ; Babchenko, Oleg ; Ižák, Tibor ; Varga, Marián ; Kromka, Alexander ; Rezek, Bohuslav ; Tesárek, P. Nanocrystalline diamond wires and layers were grown by microwave plasma CVD technique on Si substrates. The substrates were pretreated by non-woven composite nanofiber textile composed by poly(vinyl alcohol) matrix and ultra-dispersed diamond (UDD) nanoparticles prepared by needleless electrospinning method. High concentration of UDD in the PVA fibers lead to formation of diamond wires due to a combined effect of UDD particles used as seeding and high pressure difference across the fibers interface. A preferable growth of diamond layers was observed on areas with a low porosity volume of nanofiber textile. The influence of spundond structure on the growth of diamond decreased with lowering of UDD concentra-tion in the primary polymer matrix. Úplný záznam
	H-terminated diamond-capped impedance transducer: Novel molecular sensor Stehlík, Štěpán ; Ižák, Tibor ; Kromka, Alexander ; Dolenský, B. ; Havlík, M. ; Rezek, Bohuslav Sensitivity of an intrinsic nano-crystalline diamond (NCD) layer to naphthalene Trogers base derivative decorated with pyrrole groups(TBPyr) was characterized by impedance spectroscopy. The transducer was made of Au interdigitated electrodes (IDE) with 50um spacing on alumina substrate which were capped with the NCD layer. Úplný záznam
	Electrochemical growth of polypyrrole on boron doped diamonds Ukraintsev, Egor ; Kromka, Alexander ; Haenen, K. ; Rezek, Bohuslav To find out the mechanism of the electrochemical attachment of polypyrrole (Ppy) to diamond we grow Ppy layers on hydrogen and oxygen terminated boron doped diamond surfaces (BDD) using constant current applied between the BDD and the platinum wire. Úplný záznam
	Synthesis, structure, and opto-electronic properties of organic dies on diamond Rezek, Bohuslav ; Čermák, Jan ; Ukraintsev, Egor ; Hubík, Pavel ; Mareš, Jiří J. ; Ledinský, Martin ; Fejfar, Antonín ; Kočka, Jan ; Kromka, Alexander We prepare a thin-film heterojunction of polypyrrole (Ppy) on hydrogen-terminated diamond by electro-polymerization from solution. We combine advanced scanning techniques (AFM, KFM, micro-Raman) to characterize microscopic structural, chemical, and opto-electronic properties of such system. Úplný záznam
	Renewal of three-dimensional nanocrystalline diamond bio-transistor by low temperature hydrogenation Krátká, Marie ; Neykova, Neda ; Ukraintsev, Egor ; Kromka, Alexander ; Rezek, Bohuslav We employ directly grown microscopic (20um and 5um) solution-gated field-effect transistors (SGFET) as a biosensor with H-terminated surface acting as a gate insulator towards solution and generator of surface conductivity at the same time. Úplný záznam

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