About: Microcrystalline and nanocrystalline semiconductors for photonics:Electronic processes on the scales of nanometers and femtoseconds

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Projekt, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	http://linked.opendata.cz/ontology/domain/vavai/Projekt
rdfs:seeAlso	http://www.isvav.cz/projectDetail.do?rowId=IAA1010316
Description	Properties of semiconductor microcrystals ( 100nm) and nanocrystals ( 10nm) can be tailored acording to specific demands. Electronic processes there occur on short distances and ultrafast time scale. This is attractive e.g. from the point of view of increasing speed of integration of micro- and optoelectronic devices. The project will be devoted to the preparation and experimental study of 1. Si and SiC microcrystalline films for photovoltaic solar cells and 2 CdS, CdSe and Si nanocrystals intended for future optoelectronic active elements. To achieve the scientific goal, equipments and methods developed recently in applicants laboratoires will be applied, namely: AFM and STM tip, femto- and picosecond laser spectroscopy, and luminiscence spectroscopy of single nanocrystals. Results of these experiments will contribute to understanding of novel electronic features in the microworld. (en) Vlastnosti polovodičových materiálů ve tvaru mikrokrystalů (větší 100nm) a nanokrastalů (větší 10nm) lze měnit podle zadaných požadavků. Elektronové děje zde probíhají na krátkých vzdálenostech a v ultrarychlé časové škále. To je aplikačně velmi žádoucí např. z hlediska zvyšující se integrace mikro- a optoelektronických součástek, Náplní projektu bude příprava a experimentální studium 1. mikrokrystalických vrstev Si a SiC pro fotovoltaické sluneční články a 2. nanokrystalických vrstev CdS, CdSe a Si pro budoucí optoelektronické aktivní prvky. Budou použita zařízení a metodické postupy vyvinuté nedávno v laboratořích navrhovatelů, zejména: AFM a STM topografická měření doplněná o mapování lokální elektrické vodivosti, emise světla indukovaná hrotem STM, femto- a pikosekundová laserová spektroskopie a luminiscenční spektroskopie individuálních mikro/nanokrystalů. Tyto experimenty přispějí k pochopení nových rysů elektronických dějů (transport, relaxace, rekombinace) v mikrosvětě.
Title	Microcrystalline and nanocrystalline semiconductors for photonics:Electronic processes on the scales of nanometers and femtoseconds (en) Mikrokrystalické a nanokrystalické polovodiče pro fotoniku:elektronové děje ve škále nanometrů a femtosekund
skos:notation	IAA1010316
http://linked.open...avai/cep/aktivita	Grants of distinctly investigative character focused on the sphere of research pursued at present particularly in the Academy of Sciences of the Czech Republic
http://linked.open...kovaStatniPodpora	http://linked.opendata.cz/resource/domain/vavai/projekt/IAA1010316/celkovaStatniPodpora
http://linked.open...ep/celkoveNaklady	http://linked.opendata.cz/resource/domain/vavai/projekt/IAA1010316/celkoveNaklady
http://linked.open...datumDodatniDoRIV	2013-06-28 (xsd:date)
http://linked.open...i/cep/druhSouteze	VS - Veřejná soutěž ve výzkumu a vývoji
http://linked.open...ep/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open.../cep/fazeProjektu	71727220
http://linked.open...ai/cep/hlavniObor	BM - Fyzika pevných látek a magnetismus
http://linked.open...hodnoceniProjektu	V - Vynikající výsledky (s mezinárodním významem apod.). Zároveň byly splněny cíle a předpokládané výsledky uvedené ve smlouvě / rozhodnutí o poskytnutí podpory.
http://linked.open...vai/cep/kategorie	ZV - Základní výzkum
http://linked.open.../cep/klicovaSlova	microcrystalline silicon and silicon carbide; solar photovoltaics; charge transport; silicon and II-IV nanocrystals; atomic force microscopy; scanning tunneling mecroscopy; ultrafast laser spectroscopy; luminiscence; single nanocrystal spectroscopy (en)
http://linked.open...ep/partnetrHlavni	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...inujicichPrijemcu	1 (xsd:int)
http://linked.open...cep/pocetPrijemcu	2 (xsd:int)
http://linked.open...ocetSpoluPrijemcu	0 (xsd:int)
http://linked.open.../pocetVysledkuRIV	70 (xsd:int)
http://linked.open...enychVysledkuVRIV	70 (xsd:int)
http://linked.open...lneniVMinulemRoce	2007-02-27 (xsd:date)
http://linked.open.../prideleniPodpory	http://linked.opendata.cz/resource/domain/vavai/cep/prideleniPodpory/IAA1010316
http://linked.open...iciPoslednihoRoku	2007
http://linked.open...atUdajeProjZameru	2008
http://linked.open.../vavai/cep/soutez	SAV02003-A
http://linked.open...usZobrazovaneFaze	DUU
http://linked.open...ai/cep/typPojektu	P - Projekt výzkumu a vývoje financovaný ze státního rozpočtu
http://linked.open...ep/ukonceniReseni	2007-12-01 (xsd:date)
http://linked.open.../cep/vedlejsiObor	BH - Optika, masery a lasery
http://linked.open...ep/zahajeniReseni	2003-01-01 (xsd:date)
http://linked.open...jektu+dodavatelem	Metodami vysokého prostorového/časového rozlišení jsme objevili a prostudovali nové elektron. vlastnosti kvant. teček Si, CdS, CdSe a tenkých vrstev mikrokrystalického Si (spinová relaxace, optický zisk, emisní a vlnovodná spektra, elektrický transport). (cs) Using high spatial/temporal resolution, new electronic properties of Si, CdS and CdSe quantum dots and of microcrystalline Si films have been discovered and examined (spin relaxation, optical gain, emission and waveguide spectra, electrical transport). (en)
http://linked.open...tniCyklusProjektu	ZBBBKU
http://linked.open.../cep/klicoveSlovo	atomic force microscopy charge transport luminiscence scanning tunneling mecroscopy silicon and II-IV nanocrystals solar photovoltaics ultrafast laser spectroscopy microcrystalline silicon and silicon carbide
is http://linked.open...vavai/riv/projekt of	Grains of porous silicon embedded in SiO2: Studies of optical gain and electroluminescence Microcavity-like leaky mode emission from a planar optical waveguide made of luminescent silicon nanocrystals Ultrafast carrier dynamics in CdSSe nanocrystals in glass matrix Highly luminescent CdSe nanocrystalline films prepared by chemical bath deposition Highly luminescent CdSe nanocrystlline films prepared by chemical bath deposition Electroluminescence of silicon nanocrystal in p-i-n diode structures Ammonia effect on surface-mediated carrier dynamics in CdSe nanocrystals Dynamics of coherent phonons in CsPbCl3 nanocrystals studied by femtosecond laser spectroscopy Waveguide cores containing silicon nanocrystals as active spectral filters for silicon-based photonics Hydrogenation of polycrystalline silicon thin films Characterization of grain growth, nature and role of grain boundaries in microcrystalline silicon – review of typical features Transport properties of microcrystalline silicon prepared at high growth rate Microcrystalline silicon prepared at magnetic field modified nucleation Detailed structural study of low temperature mixed-phase Si films by X-TEM and ambient conductive AFM Annealing in water vapor as a new method for improvement of silicon thin film properties Si nanocrystals in a distributed feedback laser cavity Ultrafast photoluminescence in silicon nanocrystals studied by femtosecond up-conversion technique Porous silicon grains in SiO2 matrix: ultrafast photoluminescence and optical gain Electroluminescence of silicon nanocrystals in p-i-n diode structures Emission properties of a distributed feedback laser cavity containing silicon nanocrystals Superlinear photoluminescence in silicon nanocrystals: The role of excitation wavelength Silicon nanocrystals in silica – Novel active waveguides for nanophotonics Active planar optical waveguides with silicon nanocrystals: Leaky modes under different ambient conditions Light propagation in planar optical waveguides made of silicon nanocrystals buried in silica glass Femtosecond photoluminescence spectroscopy of silicon nanocrystals Luminescenční spektroskopie Surface morphology of spin-coated As-S-Se chalcogenide thin films Ordered silicon nanostructures for silicon-based photonics devices On the road to silicon-nanoparticle laser Optical gain in planar waveguides Controlled growth of nanocrystalline silicon on permalloy micro-patterns Structure of mixed-phase Si films studied by C-AFM and X-TEM Ordered silicon nanostructures for silicon-based photonic devices Křemíkový laser - poslední chybějící článek pro křemíkovou fotonku Substantial enhancement of photoluminescence in CdSe nanocrystals by femtosecond pulse illumination Formation of microcrystalline silicon at low temperatures and role of hydrogen Optical gain in porous silicon grains embedded in sol-gel derived SiO2 matrix under femtosecond excitation Polovodičová spintronika a časově rozlišená laserová spektroskopie Temperature dependence of coherent phonon dephasing in CsPbCl3 nanocrystals Single-step light-assisted patterning of photonic properties of chemical-bath-deposited CdSe nanocrystalline films Narrow Luminescence Linewidth of a Silicon Quantum Dot (Article No. 87405) The physics and technological aspects of the transition from amorphous to microcrystalline and polycrystalline silicon Defects generation by hydrogen passivation of polycrystalline silicon thin films Correlation of atomic force microscopy detecting local conductivity and micro-Raman spectroscopy on polymer-fullerene composite films Spin-polarised carriers in CdS quasi-spherical quantum dots Spin-sensitive differential transmission experiments in quasi-spherical CdS quantum dots Model of electronic transport in microcrystalline silicon and its use for prediction of device performance Optical gain in nanocrystalline silicon: comparision of planar waveguide geometry with a non-waveguiding ensemble of nanocrystals Colloidal suspensions of silicon nanocrystals: from single nanocrystals to photonic structures Photoluminescence from an active planar optical waveguide made of silicon nanocrystals: dominance of leaky substrate modes in dissipative stuctures Stimulated emission in the active planar optical waveguide made of silicon nanocrystals Patterning of hydrogenated microcrystalline silicon growth by magnetic field Effect of hydrogen passivation on polycrystalline silicon thin films Modification of carrier dynamics in CdSe nanocrystals by excess Cd in deposition bath Optical gain in planar waveguides (Art.No.: 66090F)

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