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Search results for: SOLID-STATE PHOTOLUMINESCENCE

  • The XRD diffraction patterns of as-prepared (La0.3Sr0.6Ce0.1)0.9Me0.1Ti0.9O3-δ (Me= Co, Cu, Fe, Mn, Ni) materials synthesized via the solid state reaction method

    Open Research Data
    embargo - series: LSCMeT SSR

     The (La0.3Sr0.6Ce0.1)0.9Me0.1Ti0.9O3-δ (Me= Co, Cu, Fe, Mn, Ni) materials were synthesized via the solid state reaction method and examined as a potential anode material. First, the mixed oxide reagents were pressed into pellets and calcined at 1200 °C for 12 hours to decompose most of the organic compounds. The resulting calcined pellet was ground...

  • The luminescence study of (C10H16N)2MnBr4 Organic–Inorganic Hybrid

    Open Research Data
    open access

    Organic–inorganic hybrid metal halides have recently attracted attention in the global research field for their bright light emission, tunable photoluminescence wavelength, and convenient synthesis method. This study reports the detailed properties of (C10H16N)2MnBr4, which emits bright green light with a high photoluminescence quantum yield. Results...

  • The luminescence study of Ca14Zn6Ga10−xMnxO35 coumpounds.

    Open Research Data
    open access

    Manganese in the pentavalent state (Mn 5+) is both rare and central in materials exhibiting narrow-band near-infrared (NIR) emission and is highly sought after for phosphor-converted light-emitting diodes as promising candidates for future miniature solid-state NIR light source. We develop the Ca 14 Zn 6 Ga 10−x Mn x O 35 (x = 0.3, 0.5, 1.0, 1.25, 1.5,...

  • The luminescence study of Sr2TiO4:Sm3+ coumpounds.

    Open Research Data
    open access

    A luminescent material based on the strontium orthotitanate (Sr2TiO4) matrix doped with 1% of a mole of samarium was obtained using the typical solid-state synthesis method under a neutral atmosphere of nitrogen. The sample was investigated using powder X-ray diffraction (XRD) and several luminescence techniques to study the phase composition, luminescence...

  • Photoluminescence spectra of TiO2

    Open Research Data
    open access

    These data contain photoluminescence spectra of TiO2 measured at the temperature of liquid nitrogen. There is a comparison of the photoluminescence spectra of TiO2 heat treated at 400-600oC in the ambient (Ar) and reduced (H2) atmospheres. These emission spectra were recorded after TiO2 excitation with a wavelength of 290 nm

  • The luminescence study of Bi-doped Cs2AgInCl6 double perovskite.

    Open Research Data
    open access

    Here, we report a halide precursor acid precipitation method to synthesize Cs2AgIn1−xBixCl6 (x = 0, 0.02, 0.04, 0.08, 0.16, 0.32, 0.64, and 1) microcrystals. Cs2AgInCl6 and Bi derivative double perovskites show broadband white light emission via self-trapped excitons (STEs) and have achieved the highest internal quantum efficiency of up to 52.4% at...

  • The luminescence study of Sr2−xSrxPN3:Eu2+ nitridophosphate.

    Open Research Data
    version 1.0 open access

    In this work, a series of Ca2−xSrxPN3:Eu2+ nitridophosphate phosphors through a solid-solution strategy involving a hot isostatic press was developed by collaborators from National Taiwan University. Unexpected dual emissions in the red and infrared regions are observed, different from previous research results. The unique change in red and near-infrared...

  • Analysis of the chemical composition of MnO-B2O3 glass

    Open Research Data
    open access

    Structural and thermal properties of xMnO−(100−x)B2O3 (where x = 40, 50 and 60 mol%) glass samples have been investigated with the employment of various techniques. Fourier transform infrared spectroscopy results revealed the influence of MnO on glass matrix. Decrease of B–O bond-related band intensities has been observed. MnO addition was found to...

  • The luminescence study of Sr3−xBaxP5N10Cl: Eu2+ nitridophosphate.

    Open Research Data
    open access

    A series of zeolitic nitridophosphate phosphors Sr2.91−xBaxP5N10Cl:0.09Eu2+ was synthesized by our collaborators from National Taiwan University using a hot isostatic press. Detailed thermal properties were determined using the temperature-dependent photoluminescence intensity and decay time. This research provides a different perspective to analyze...

  • The luminescence study ofNaK2Li[Li3SiO4]4:Ce coumpounds.

    Open Research Data
    open access

    Phosphors with a rigid and symmetrical structure are urgently needed. The alkali lithosilicate family (A[Li3SiO4]) has been extensively studied with a narrow emission band due to its unique cuboid-coordinated environment and rigid structure. However, here we demonstrate for the first time Ce-doped NaK2Li[Li3SiO4]4 phosphors with a broad emission band,...

  • Physicochemical and photocatalytic data of TiO2/MXene/MnFe2O4 photocatalysts

    Open Research Data
    open access

    This dataset includes data regarding the physicochemical properties (i.e. XRD, DR/UV-vis, TEM images, photoluminescence) and photocatalytic activity of TiO2/MXene/MnFe2O4 photocatalysts. The data comprise the results of the photocatalytic reaction of carbamazepine and ibuprofen degradation.

  • The luminescence study of SrAl11.88−xGaxO19:0.12Cr3+ coumpounds.

    Open Research Data
    open access

    Portable near-infrared (NIR) light sources are in high demand for applications in spectroscopy, night vision, bioimaging, and many others. Typical phosphor designs feature isolated Cr3+ ion centers, and it is challenging to design broadband NIR phosphors based on Cr3+–Cr3+ pairs. Here, we explore the solid-solution series SrAl11.88–xGaxO19:0.12Cr3+...

  • The luminescence study of Sr0.98Li2.5 + zAl1.5 – zO3 + 2zN1 – 2z:0.02Eu coumpounds.

    Open Research Data
    open access

    Eu2+-doped UCr4C4-type oxynitride phosphors are emerging innovative materials to replace oxide and nitride phosphors for high-end light-emitting devices. A series of Sr0.98Li2.5 + zAl1.5 – zO3 + 2zN1 – 2z:0.02Eu phosphors were synthesized by collaborators from the National Taiwan University by precursor engineering, and these products showed an unexpected...

  • Physicochemical and photocatalytic data of Cu-TiO2/Ti3C2 composites

    Open Research Data
    open access

    In this dataset, we include the data regarding the physicochemical properties (XRD, DR/UV-vis, photoluminescence, electrochemistry) and photocatalytic activity of TiO2/Ti3C2 and Cu-TiO2/Ti3C2 composites in the reaction of carbamazepine degradation. Herein we present the results for pure TiO2/Ti3C2 and composites modified with copper particles (0.25%,...

  • Opposite pressure impact on electron-phonon coupling in Eu2+ and Ce3+ doped AlN

    Open Research Data
    open access

    This data analyzes the influence of pressure on electron–lattice interactions in the 5d excited states of Ce3+ and Eu2+ in the AlN host based on pressure-dependent photoluminescence and photoluminescence excitation spectra. High-pressure measurements on AlN samples doped with Eu2+ and Ce3+ ions reveal that the Stokes shift increases with pressure for...

  • The luminescence study of Ga1.98–xAlxO3:0.02Cr3+ coumpounds.

    Open Research Data
    open access

    A chemical and mechanical pressure-induced photoluminescence tuning method was developed through structural evolution and hydrostatic pressure involving phase transition. A series of Ga1.98−xAlxO3:0.02Cr3+ phosphors were synthesized by collaborators from National Taiwan University. Structural evolution reveals a crystal phase change with the incorporation...

  • The luminescence study ofNaK2Li[Li3SiO4]4:Eu coumpounds.

    Open Research Data
    open access

    Narrowband green phosphors with high quantum efficiency are required for backlighting white light-emitting diode (WLED) devices. Materials from the A[Li3SiO4]4:Eu2+ family have recently been proposed as having superior properties to industry-standard β-SiAlON green phosphors. Here, we show that a cheap, easily synthesized host NaK2Li[Li3SiO4]4 (NKLLSO)...

  • Luminescence of TeO2:Eu thin films

    Open Research Data
    open access

    Tellurium dioxide doped by europium thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was...

  • Structure and optical measurements of Eu doped tellurium oxide thin films

    Open Research Data
    open access

    Thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was examined by X-ray diffraction method. ...

  • The luminescence study of CsPbI3 nanoparticles embedded in Cs4PbI6 crystals.

    Open Research Data
    open access

    Cs4PbI6, as a rarely investigated member of the Cs4PbX6 (X is a halogen element) family, has been successfully synthesized atlow temperatures by collaborators from National Taiwan University. Strong red to near-infrared (NIR) emission properties have been detected, and its optical emission centers have been identified to be numerous embedded perovskite-type...

  • Chromium Cluster Luminescence: Advancing Near‐Infrared Light‐Emitting Diode Design for Next‐Generation Broadband Compact Light Sources

    Open Research Data
    open access

    In modern technology devices, an energy-saving miniature near-infrared (NIR) light source plays a critical role in non-destructive, non-invasive sensing applications and further advancement of technology. This dataset reports the broadband NIR luminescence of Cr3+ clusters for designing phosphor-converted NIR light-emitting diodes as an alternative...

  • The luminescence study of LiGa5(1−x)O8:5xCr3+ coumpounds

    Open Research Data
    open access

    Infrared luminescent materials have evoked much attention from chemists and material scientists. Although substantial progress is made in materials design, the luminescent mechanism remains ambiguous in the complex structures, presenting major barriers to developing novel infrared luminescent materials. Herein, this study aims to deliberate a complete...

  • Research 1: Heterojunction of (P, S) co-doped g-C3N4 and 2D TiO2 for improved carbamazepine and acetaminophen photocatalytic degradation

    Open Research Data
    open access

    The first research article consisted on the synthesis of phosphorus and sulfur co-doped graphitic carbon nitride incorporated in 2D TiO2 structure for solar-driven degradation of emerging pollutants from the group of pharmaceuticals not susceptible to biodegradation. The hybrid photocatalysts with different loadings of (P, S)-doped g-C3N4 were characterized...

  • Unraveling Luminescent Energy Transfer Pathways: Futuristic Approach of Miniature Shortwave Infrared Light-Emitting Diode Design

    Open Research Data
    open access

    Phosphor-converted shortwave infrared phosphor light-emitting diodes (pc-SWIR LEDs, 900–1700 nm) are promising next-generation portable light sources for spectroscopy, security, optical communication, and medical applications. A typical design strategy involves energy transfer from Cr3+ to Ni2+, and thus, energy transfer from Cr3+–Cr3+ pairs to Ni2+...

  • State aid for shipyards

    Open Research Data
    open access

    The dataset encompassed a choice of the most important legal acts, a list of selected Polish bibliography and a list of important individual decisions issued on the topic of state aid for shipyards in Poland and in selected UE countries. The data constitute a description of the basic state aid instruments used in practise in the period 1999-2018, but...

  • Valence state of Manganium in a MnCoO ceramics

    Open Research Data
    open access

    Manganium -cobalt based ceramics materials were produced by solid state reaction and sintred in a furnance in air atmosphere for 20h. Annealing temperature was 600 Celsius degree. For investigations a series of samples, with a various composition was chosen: MnCoO, Mn, Co2O and Mn2CoO. In order to determine valence states of the Mn, X-Ray photoemission...

  • state aid for steel sector in the EU

    Open Research Data
    open access

    The dataset encompassed a choice of most important UE and Polish legal acts, a list of selected Polish and foreign bibliography and a list of important individual decisions issued on the topic of state aid for steel industry in the UE.  The significance of this topic is undoubted, as the steel industry is one of the most important UE production branches....

  • The luminescence study of Sc2(1–x)Ga2xO3:Cr3+/4+ coumpounds

    Open Research Data
    open access

    The growing interest in the use of near-infrared (NIR) radiation for spectroscopy, optical communication, and medical applications spanning both NIR-I (700–900 nm) and NIR-II (900–1700 nm) has driven the need for new NIR light sources. NIR phosphor-converted light-emitting diodes (pc-LEDs) are expected to replace traditional lamps mainly due to their...

  • state aid for projects on heritage conservation

    Open Research Data
    open access

    The dataset encompassed a choice of the most important legal acts in EU law, a list of selected bibliography, together with a list of some interesting individual EC decisions issued on the topic of state aid for heritage conservation in Poland and some UE countries in the period 2007-2013. The reader gets the possibility to acquire basic information...

  • Investigations of the valence state of Co in a MnCoO ceramics

    Open Research Data
    open access

    McCoO ceramics materials were produced by solid state reaction and sintred in a furnance in air atmosphere for 20h. Annealing temperature was 600 Celsius degree. For investigations a series of samples, with a various composition was chosen: MnCoO, Mn, Co2O and Mn2CoO. Chemical behaviour of the Cobaltium was measured by XPS method.  The analyses were...

  • state aid for broadband infrastructure

    Open Research Data
    open access

    The dataset encompasses a choice of important legal acts, a list of selected bibliography, and a list of important individual sentences issued on the topic of state aid for building the infrastructure and rendering of broadband services during the period 2007-2013 and 2014-2020, as well as beyond, in the EU Member States. Thanks to that the reader gets...

  • state aid for export activities

    Open Research Data
    open access

    The dataset encompassed a choice of  the most important legal acts, a list of selected Polish and foreign bibliography, together with a list of important individual EC decisions issued on the topic of state aid for export credits in Poland and some UE countries in the period 2001-2019. Thanks to that the reader gets the possibility do acquire basic...

  • Tax income to the Polish state budget in 2010-2019

    Open Research Data
    open access

    Tax revenues are one of the main sources of state budget revenues (approx. 90%). Therefore thwy create the most important public fund, which is the basis for management in a given budgetary year. One of the main problems of fiscal policy of any state is appropriate coordination of budget revenues with budget expenditures, and hence maintaining budget...

  • de mininis state aid for entrepreneurs in EU law

    Open Research Data
    open access

    This dataset will provide basic information on the legislation regarding the de minimis state aid under EU law, and some literature explaining the nature and effects of the de minimis state aid for entrepreneurs in some EU Member States in the budgetary period 2014-2020. As this kind of state aid admissible under the GBER, the individual decisions of...

  • State aid for coal mines in Poland

    Open Research Data
    open access

    The dataset encompassed a choice of important legal acts, a list of selected Polish and foreign bibliography and a list of important individual decisions issued on the topic of state aid for coal mines in Poland in the period 1998-2018. Thanks to that the reader gets the possibility do acquire basic knowledge on the above mentioned topic.

  • State aid for airports and airlines in the EU

    Open Research Data
    open access

    The dataset encompassed a choice of important legal acts, a list of selected Polish and foreign bibliography and a list of important individual decisions of the EC  issued on the topic of state aid forairlines and (regional) airports in EC Member states in the period 2004-2019. Thanks to that the reader gets the possibility do acquire basic knowledge...

  • state aid for entrepreneurs - access to finance

    Open Research Data
    open access

    The dataset encompasses a choice of important legal acts, a list of selected Polish  bibliography and a list of important individual sentences issued on the topic of state aid for entreprenuers in the form of better access to finance their development and filling the capital gap. It emcompasses the period 2004-2020 Thanks to that the reader gets the...

  • state aid for employment of disadvantaged persons

    Open Research Data
    open access

    The dataset encompassed a choice of the most important legal acts, a list of selected Polish and foreign bibliography, together with a list of important individual EC decisions issued on the topic of state aid dedicated to including persons with disabilities to the labour market in Poland and some UE countries in the period 2001-2019. Thanks to that...

  • State aid for entrepreneurs at special economic zones

    Open Research Data
    open access

    The dataset encompasses a choice of important legal acts, a list of selected Polish  bibliography and a list of important individual sentences issued on the topic of state aid for entreprenuers investing at special economic zones. Thanks to that the reader gets the possibility do acquire basic knowledge on the above mentioned topic.

  • state aid for sustainable urban development

    Open Research Data
    open access

    The dataset encompassed a choice of important legal acts with respect on the usage of EFRD for urban projects, a list of selected bibliography as well as a list of selected individual notifications of state aid measures being part of the Sustainable Urban Development Programme in the period  2014- 2020. As a comparison, an example of individual EC decision...

  • Study of the chemical state of Gd in a Ba-La-Gd-Co based ceramic

    Open Research Data
    open access

    Barium, Lanthanum, Gadolinium and Cobaltium precursors were used for production of ceramic materials. Samples were produced by standard solid state reaction.  Samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing on a Gadolinum were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology....

  • EU state aid for fisheries and aquaculture in the perspective 2014-2020

    Open Research Data
    open access

     The dataset encompassed a choice of the most important legal acts, a list of selected Polish bibliography, and some examples of decisions issued by the EC on the topic of state aid for fisheries and aquaculture in Poland and in Germany. The data constitute a description of the basic state aid instruments used in practice in the period 2014-2020 for...

  • EU state aid - compatible with the internal market for social reasons

    Open Research Data
    open access

    The dataset encompasses a choice of Polish and foreign bibliography, together with a list of important individual EC decisions issued in the period 2007-2013 on state aid delivered to final consumers for social reasons ( in Poland and in selected UE member states),  in form of different financial instruments. Thanks to this compilation the reader is...

  • state aid for research, development and innovation ( R+D+I)

    Open Research Data
    open access

    The dataset encompasses a choice of important legal acts, a list of selected Polish bibliography, some important individual EC decisions issued on the topic of state aid for research, development, and innovation during the budgetary periods 2007-2013 and 2014-2020. Thanks to that the reader gets the possibility to acquire basic knowledge on the abovementioned...

  • EU state aid within the Rural Development Program 2014-2020

    Open Research Data
    open access

    This dataset is a combination of EU and Polish legislation on the state aid in the agriculture sector, selected literature and few exemples of European Commission decisions on projects initiated in some EC Member States during the budgetary period 2014-2020. Careful reading of the materials will allow to review some effects of the state aid granted...

  • UE regional state aid for territories with low standard of living

    Open Research Data
    open access

    The dataset encompassed a choice of important legal acts, a list of selected Polish bibliography and a list of important individual decisions issued on the topic of regional state aid ( for investment purposes) in Poland in the periods 2007- 2013 and 2014- 2020. Thanks to that the reader gets the possibility to acquire basic knowledge on the abovementioned...

  • Electronic transition dipole moment functions of the second triplet Sigma ungerade plus state of the Lithium dimer

    Open Research Data
    open access - series: Electronic transition dipole moment functions of the Lithium dimer

    Electronic transition dipole moment functions (ETDMF) of the second triplet Sigma ungerade plus (2tSu+) state have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the five ETDMFs have been obtained by the nonrelativistic multireference...

  • Electronic transition dipole moment functions of the third singlet Sigma gerade plus state of the Lithium dimer

    Open Research Data
    open access - series: Electronic transition dipole moment functions of the Lithium dimer

    Electronic transition dipole moment functions (ETDMF) of the third singlet Sigma gerade plus (3sSg+) state have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the five ETDMFs have been obtained by the nonrelativistic multireference...

  • Electronic transition dipole moment functions of the third triplet Sigma ungerade plus state of the Lithium dimer

    Open Research Data
    open access - series: Electronic transition dipole moment functions of the Lithium dimer

    Electronic transition dipole moment functions (ETDMF) of the third triplet Sigma ungerade plus (3tSu+) state have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the five ETDMFs have been obtained by the nonrelativistic multireference...

  • Electronic transition dipole moment functions of the fourth triplet Sigma ungerade plus state of the Lithium dimer

    Open Research Data
    open access - series: Electronic transition dipole moment functions of the Lithium dimer

    Electronic transition dipole moment functions (ETDMF) of the fourth triplet Sigma ungerade plus (4tSu+) state have been calculated for the Lithium dimer. ETDMFs are needed in understanding processes like photodissociation, photoassociation, cooling, and trapping of molecules. The results of the five ETDMFs have been obtained by the nonrelativistic multireference...