Výsledky vyhledávání - "Photolumineszenz"

Akademický článek

Selectively Tunable Luminescence of Perovskite Nanocrystals Embedded in Polymer Matrix Allows Direct Laser Patterning

Autor: Martin, Chantal, Prudnikau, Anatol, Orazi, Leonardo, Gaponik, Nikolai, Lesnyak, Vladimir

Cesium lead halide perovskite nanocrystals (NCs) have gained enormous attention as promising light-emitting and light-converting materials. Most of their applications require embedding NCs in various matrices, which is a challenging task due to their

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Akademický článek

Carbon-doped MBE GaN: Spectroscopic insights

Autor: Pohl, D., Solovyev, V. V., Röher, S., Gärtner, J., Kukushkin, I. V., Mikolajick, Thomas, Großer, A., Schmult, S.

The predicted acceptor impurity nature of carbon in hexagonal GaN grown by molecular-beam epitaxy (MBE) is revisited spectroscopically in the energy range between 1.6 and 3.5 eV. Photoluminescence (PL) spectra from ultra-pure GaN and material doped w

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Akademický článek

Robust Polymer Matrix Based on Isobutylene (Co)polymers for Efficient Encapsulation of Colloidal Semiconductor Nanocrystals

Autor: Shiman, Dmitriy I., Sayevich, Vladimir, Meerbach, Christian, Nikishau, Pavel A., Vasilenko, Irina V., Gaponik, Nikolai, Kostjuk, Sergei V., Lesnyak, Vladimir

We introduce new oxygen- and moisture-proof polymer matrixes based on polyisobutylene (PIB) and its block copolymer with styrene [poly(styrene-block-isobutylene-blockstyrene), PSt-b-PIB-b-PSt] for the encapsulation of colloidal semiconductor nanocrys

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Akademický článek

Brightly Luminescent Core/Shell Nanoplatelets with Continuously Tunable Optical Properties Title

Autor: Meerbach, Christian, Tietze, Remo, Voigt, Sascha, Sayevich, Vladimir, Dzhagan, Volodymyr M., Erwin, Steven C., Dang, Zhiya, Selyshchev, Oleksandr, Schneider, Kristian, Zahn, Dietrich R.T., Lesnyak, Vladimir, Eychmüller, Alexander

A straightforward, rapid method to create colloidally stable and brightly luminescent core/shell CdSe-based nanoplatelets (NPLs) with fluorescence quantum yields (QYs) up to 50% is demonstrated. A layer-by-layer deposition technique based on a two-ph

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Elektronická kniha

In Situ Characterization and Modelling of Drying Dynamics for Scalable Printing of Hybrid Perovskite Photovoltaics

Autor: Ternes, Simon

Hybrid perovskite photovoltaics could play a vital role in future’s renewable energy production. However, there are still severe challenges when scaling the technology. In this work, perovskite solution films drying in laminar and slot-jet air flow

Externí odkaz: https://library.oapen.org/handle/20.500.12657/62288

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Akademický článek

Non-stoichiometric Cu–In–S@ZnS nanoparticles produced in aqueous solutions as light harvesters for liquid-junction photoelectrochemical solar cells

Autor: Raevskaya, Alexandra, Rosovik, Oksana, Kozytskiy, Andriy, Stroyuk, Oleksandr, Dzhagan, Volodymyr, Zahn, Dietrich R. T.

Publikováno v: RSC Adv., 2016,6, 100145-100157

A direct “green” aqueous synthesis of mercapto acetate-stabilized copper indium sulfide (CIS) nanoparticles (NPs) and core/shell CIS@ZnS NPs of a varied composition under ambient conditions and a temperature lower than 100 °C is reported. The CI

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Detection of material defects in 4H SiC and their impact on electrical failure modes of SiC MOSFETs

Autor: Baierhofer, Daniel

Ziel dieser Arbeit war es, eine Korrelation der Siliciumcarbid (SiC) Materialqualität mit Ausfallmechanismen leistungselektronischer 4H-SiC Trench-MOSFET Bauelemente herzustellen. Dafür wurden homo-epitaktische, n-leitende SiC-Schichten abgeschiede

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d29241b2cdd0937858a2d3a929e81978
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Mikromanipulation von Perowskit-Dünnschichten mittels Laserstrahlung

Autor: Martens, Malte

Gedruckte optoelektronische Bauteile versprechen eine kostengünstige Herstellung von Solarzellen, Displays, Transistoren, Sensoren und Laserdioden. Organik-Metallhalogenid- (OMH-) Perowskite eignen sich aufgrund ihrer hohen Absorption, langen Ladung

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::881d162da57834bb51fc0db9a5291e7b

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Tieftemperaturphotolumineszenzspektroskopie (TTPL) und Dichtefunktionaltheorie (DFT) zur weiteren Analyse des ASi-Sii-Defekts

Autor: Flötotto, Aaron

Lichtinduzierte Degradation kann die Effizienz von Bauelementen aus Bor- oder Indium-dotiertem Czochralski-Silizium wie beispielsweise Solarzellen oder Strahlungsdetektoren um mehr als 1 %abs verringern. Obwohl diese lichtinduzierte Degradation seit

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