Browsing by Subject "Nanocrystals"
Now showing items 1-20 of 22
-
Doctoral Thesis Open Access
Addressing the molecular basis of morphogenetic movements during Xenopus gastrulation with the use of quantum dot nanocrystals : the role of Focal Adhesion Kinase (FAK) during Xenopus development
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2011-06)Σε αυτή τη μελέτη αποδεικνύουμε ότι η ενεργοποίηση της FAK με βάση τις ιντεγκρίνες είναι απαραίτητη για τη μεσοδερμική μετανάστευση όχι όμως για τη συγκλίνουσα επέκταση. Η αναστολή της FAK με έκφραση του γνωστού αρνητικού ...
-
Article
Core-shell PbS/Sn:In2O3 and branched PbIn2S4/Sn:In2O3 nanowires in quantum dot sensitized solar cells
(2017)Core-shell PbS/Sn:In2O3 and branched PbIn2S4/Sn:In2O3 nanowires have been obtained via the deposition of Pb over Sn:In2O3 nanowires and post growth processing under H2S between 100 C-200 C and 300 C-500 C respectively. The ...
-
Article
Core-shell PbS/Sn:In2O3 and branched PbIn2S4/Sn:In2O3 nanowires in quantum dot sensitized solar cells
(2017)Core-shell PbS/Sn:In2O3 and branched PbIn2S4/Sn:In2O3 nanowires have been obtained via the deposition of Pb over Sn:In2O3 nanowires and post growth processing under H2S between 100 C-200 C and 300 C-500 C respectively. The ...
-
Article
Current Transport Properties of CuS/Sn:In2O3 versus CuS/SnO2 Nanowires and Negative Differential Resistance in Quantum Dot Sensitized Solar Cells
(2016)The structural, optical, and electrical transport properties of nanowires obtained by the deposition of Cu over Sn doped In2O3 and SnO2 nanowires followed by processing under H2S between 100 and 500°C have been investigated ...
-
Article
Femtosecond carrier dynamics in In 2O 3 nanocrystals
(2009)We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...
-
Article
Femtosecond carrier dynamics in In 2O 3 nanocrystals
(2009)We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...
-
Article
Lead halide perovskites and other metal halide complexes as inorganic capping ligands for colloidal nanocrystals
(2014)Lead halide perovskites (CH3NH3PbX3, where X = I, Br) and other metal halide complexes (MXn, where M = Pb, Cd, In, Zn, Fe, Bi, Sb) have been studied as inorganic capping ligands for colloidal nanocrystals. We present the ...
-
Article
Long-Lived Hot Carriers in Formamidinium Lead Iodide Nanocrystals
(2017)The efficient harvesting of hot carrier energy in semiconductors is typically inhibited by their ultrafast thermalization process. Recently, highly promising experiments reported on the slowdown of the intraband relaxation ...
-
Article
Low temperature growth of In 2O 3 and InN nanocrystals on Si(111) via chemical vapour deposition based on the sublimation of NH 4Cl in In
(2009)Indium oxide (In 2O 3) nanocrystals (NCs) have been obtained via atmospheric pressure, chemical vapour deposition (APCVD) on Si(111) via the direct oxidation of In with Ar:10% O 2 at 1000 °C but also at temperatures as low ...
-
Article
Low temperature growth of In 2O 3 and InN nanocrystals on Si(111) via chemical vapour deposition based on the sublimation of NH 4Cl in In
(2009)Indium oxide (In 2O 3) nanocrystals (NCs) have been obtained via atmospheric pressure, chemical vapour deposition (APCVD) on Si(111) via the direct oxidation of In with Ar:10% O 2 at 1000 °C but also at temperatures as low ...
-
Article
On the potential use of quarry waste material for CO2 sequestration
(2016)The use of solid wastes rich in Ca2+, Mg2+ and Fe2+ for the ex situ sequestration of CO2 could provide an economically and technologically viable option for the reduction of anthropogenic CO2 emissions. Here, we investigate ...
-
Article
On the potential use of quarry waste material for CO2 sequestration
(2016)The use of solid wastes rich in Ca2+, Mg2+ and Fe2+ for the ex situ sequestration of CO2 could provide an economically and technologically viable option for the reduction of anthropogenic CO2 emissions. Here, we investigate ...
-
Article
Quantum confinement and interface structure of Si nanocrystals of sizes 3-5 nm embedded in a-SiO2
(2007)Spectroscopic ellipsometry and Monte Carlo simulations are employed to answer the fundamental question whether the energy gaps of Si nanocrystals with sizes in the range of 3-5 nm, which are embedded in amorphous silica, ...
-
Book Chapter
Single and multiplexed fluorescent in situ hybridization using quantum dots nanocrystals in Xenopus
(Springer New York, 2015)The photostability and narrow emission spectra of quantum dots (QDs) make them ideal candidates for whole-mount fluorescent in situ hybridization. Here we describe a method for non-amplified, single and multiplexed whole-mount ...
-
Article
Sn:In2O3 and Sn:In2O3/NiS2 Core-Shell Nanowires on Ni, Mo Foils and C Fibers for H2 and O2 Generation
(2017)Sn:In2O3 nanowires have been grown by the vapor liquid solid mechanism on Si, Ni, Mo, and C fibers. These were used to obtain Sn:In2O3/NiS2 core-shell nanowires by the deposition of 10 nm Ni over the Sn:In2O3 nanowires ...
-
Doctoral Thesis Open Access
Spectroscopic studies of nanocrystal solids functionalized for optoelectronic applications
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2018-07)Η παρούσα διατριβή περιέχει φασματοσκοπικές μελέτες δύο υποσχόμενων συστημάτων κολλοειδών νανοκρυστάλλων (CNCs). Το πρώτο και το μεγαλύτερο μέρος της διατριβής, δηλαδή τα κεφάλαια 4, 5 και 6, επικεντρώθηκαν σε PbS CNCs, ...
-
Article
Structure, morphology, and photoluminescence of porous Si nanowires: Effect of different chemical treatments
(2013)The structure and light-emitting properties of Si nanowires (SiNWs) fabricated by a single-step metal-assisted chemical etching (MACE) process on highly boron-doped Si were investigated after different chemical treatments. ...
-
Doctoral Thesis Open Access
A study of 40LoVe's role in xenopus development and the development of a novel intein based method for the in vivo conjugation of quantum dots to target proteins
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2014-05)Samba is a Xenopus hnRNP that was recently identified and has been shown to inhibit animal cap spreading and affect neural crest migration. It is expressed in all developmental stages and the expression appears elevated ...
-
Article
Surface-related states in oxidized silicon nanocrystals enhance carrier relaxation and inhibit auger recombination
(2008)We have studied ultrafast carrier dynamics in oxidized silicon nanocrystals (NCs) and the role that surface-related states play in the various relaxation mechanisms over a broad range of photon excitation energy corresponding ...
-
Article
Surprising effects of polymer-surfactant solutions on inorganic crystallization processes
(2001)Polymer-surfactant solutions, in which the surfactant molecules interact strongly with the polymer chains forming polymerbound micelles above the critical association concentration, are used as media for inorganic precipitation ...