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Fluorescence imaging of hybrid nanostructures composed of natural photosynthetic complexes and reduced graphene oxide

100%

Twardowska M., Chomicki D., Kamińska I., Niedziółka-Jönsson J., Maćkowski S.

Nanospectroscopy

2014

vol. 1

issue 1

Herein, we describe the results of fluorescence microscopy imaging of peridinin-chlorophyll-protein (PCP) photosynthetic complex mixed with reduced graphene oxide (rGO). Upon incorporation of rGO the fluorescence image of PCP changes substantially from one characterized by uniform intensity towards a more complex pattern. The isolated bright spots feature up to ten times higher emission intensity compared to the fluorescence of PCP in the reference sample, where no rGO was added. The number of the bright spots increases with increasing rGO concentration. At the same time the fluorescence intensity away from the bright spots in the PCP/rGO hybrid system is quenched in comparison to the PCP – only reference.

Photoluminescence and Thermoluminescence of the Oxygen-Deficient YAG, YAP, and YAM Phosphors

73%

Zhydachevskyy Y., Kamińska I., Glowacki M., Kilian A., Ubizskii S., Bilski P., Berkowski M., Fronc K., Elbaum D., Suchocki A.

Acta Physica Polonica A

2018

vol. 133

issue 4

977-980

Photoluminescence and thermoluminescence of the oxygen-deficient Y₃Al₅O₁₂ (YAG), YAlO₃ (YAP) and Y₄Al₂O₉ (YAM) ceramics has been studied. Corresponding ceramic samples prepared by the same way however in oxidizing conditions (in air) were studied for comparison. The observed luminescent properties of the materials are related to the F-type centers created on the basis of oxygen vacancies, antisite (Y_{Al}) defects and uncontrolled Tb³⁺ impurity ions.

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1 Acta Physica Polonica A

1 Nanospectroscopy

1 2018

1 2015

2 Kamińska I.

1 Berkowski M.

1 Bilski P.

1 Chomicki D.

1 Elbaum D.

1 Fronc K.

1 Glowacki M.

1 Kilian A.

1 Maćkowski S.

1 Niedziółka-Jönsson J.

1 Suchocki A.

1 Twardowska M.

1 Ubizskii S.

1 Zhydachevskyy Y.

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Fluorescence imaging of hybrid nanostructures composed of natural photosynthetic complexes and reduced graphene oxide

Photoluminescence and Thermoluminescence of the Oxygen-Deficient YAG, YAP, and YAM Phosphors