Phosphors in LED's: From observation to perception - Couverture souple

Name: Phosphors in LED's: From observation to perception
Author: Jain, Abhilasha; Dhoble, S. J.; Peshwe, D. R.
ISBN: 9786202513500

Jain, Abhilasha ; Dhoble, S. J.; Peshwe, D. R.

9786202513500: Phosphors in LED's: From observation to perception

Couverture souple

ISBN 10 : 6202513500 ISBN 13 : 9786202513500

Editeur : LAP LAMBERT Academic Publishing, 2020

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Organic-inorganic hybrid phosphors doped with lanthanides are gaining widespread attention of researchers due to their significant contribution in display devices and lighting technologies. The fundamental principle governing this approach is based on the suitable design of the precursor host.It is well known that optical properties of nano phosphor become size dependent as structure of the atom is altered by continuous electronic bands to quantized electronic levels. Consequently, due to large surface area, defects are generated which act as non-radiative pathways to the excited electrons and thus decrease their quantum efficiency. To overcome this predicament, one of the most effective methods for the enhancement of luminescence intensity of lanthanide doped nano phosphors is to cover their surface with organic ligands known as capping agents that are capable to prevent agglomeration and passivate the surface defects. Polystyrene, polystyrene sulfonic acid, Mercaptoethanol and sodium hexameta phosphate have been used as successful capping agents during reaction process.The central focus of this research work is to develop systems with enhanced photoluminescence for a longer time.

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�diteur: LAP LAMBERT Academic Publishing
Date d'�dition: 2020
Langue: anglais
ISBN 10: 6202513500
ISBN 13: 9786202513500
Reliure: Broch�
Nombre de pages: 124
Coordonn�es du fabricant: non disponible
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Phosphors in LED's

Abhilasha Jain

Edit� par LAP LAMBERT Academic Publishing Mrz 2020, 2020

ISBN 10 : 6202513500 ISBN 13 : 9786202513500

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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Organic-inorganic hybrid phosphors doped with lanthanides are gaining widespread attention of researchers due to their significant contribution in display devices and lighting technologies. The fundamental principle governing this approach is based on the suitable design of the precursor host.It is well known that optical properties of nano phosphor become size dependent as structure of the atom is altered by continuous electronic bands to quantized electronic levels. Consequently, due to large surface area, defects are generated which act as non-radiative pathways to the excited electrons and thus decrease their quantum efficiency. To overcome this predicament, one of the most effective methods for the enhancement of luminescence intensity of lanthanide doped nano phosphors is to cover their surface with organic ligands known as capping agents that are capable to prevent agglomeration and passivate the surface defects. Polystyrene, polystyrene sulfonic acid, Mercaptoethanol and sodium hexameta phosphate have been used as successful capping agents during reaction process.The central focus of this research work is to develop systems with enhanced photoluminescence for a longer time. 124 pp. Englisch. N� de r�f. du vendeur 9786202513500

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Phosphors in LED\ s

Abhilasha Jain|S. J. Dhoble|D. R. Peshwe

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Phosphors in LED's : From observation to perception

Abhilasha Jain

Edit� par LAP LAMBERT Academic Publishing, 2020

ISBN 10 : 6202513500 ISBN 13 : 9786202513500

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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Organic-inorganic hybrid phosphors doped with lanthanides are gaining widespread attention of researchers due to their significant contribution in display devices and lighting technologies. The fundamental principle governing this approach is based on the suitable design of the precursor host.It is well known that optical properties of nano phosphor become size dependent as structure of the atom is altered by continuous electronic bands to quantized electronic levels. Consequently, due to large surface area, defects are generated which act as non-radiative pathways to the excited electrons and thus decrease their quantum efficiency. To overcome this predicament, one of the most effective methods for the enhancement of luminescence intensity of lanthanide doped nano phosphors is to cover their surface with organic ligands known as capping agents that are capable to prevent agglomeration and passivate the surface defects. Polystyrene, polystyrene sulfonic acid, Mercaptoethanol and sodium hexameta phosphate have been used as successful capping agents during reaction process.The central focus of this research work is to develop systems with enhanced photoluminescence for a longer time. N� de r�f. du vendeur 9786202513500

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Phosphors in LED's

Abhilasha Jain

Edit� par LAP LAMBERT Academic Publishing M�r 2020, 2020

ISBN 10 : 6202513500 ISBN 13 : 9786202513500

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Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Organic-inorganic hybrid phosphors doped with lanthanides are gaining widespread attention of researchers due to their significant contribution in display devices and lighting technologies. The fundamental principle governing this approach is based on the suitable design of the precursor host.It is well known that optical properties of nano phosphor become size dependent as structure of the atom is altered by continuous electronic bands to quantized electronic levels. Consequently, due to large surface area, defects are generated which act as non-radiative pathways to the excited electrons and thus decrease their quantum efficiency. To overcome this predicament, one of the most effective methods for the enhancement of luminescence intensity of lanthanide doped nano phosphors is to cover their surface with organic ligands known as capping agents that are capable to prevent agglomeration and passivate the surface defects. Polystyrene, polystyrene sulfonic acid, Mercaptoethanol and sodium hexameta phosphate have been used as successful capping agents during reaction process.The central focus of this research work is to develop systems with enhanced photoluminescence for a longer time.VDM Verlag, Dudweiler Landstra�e 99, 66123 Saarbr�cken 124 pp. Englisch. N� de r�f. du vendeur 9786202513500

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