Effect of dopant concentration on the optical characteristics of Cr3+: ZnGa2O4 transparent ceramics exhibiting persistent luminescence

Kód výsledku v IS VaVaI

RIV/68378271:_____/22:00556140 - isvavai.cz

Výsledek na webu

https://doi.org/10.1016/j.optmat.2022.112127

DOI - Digital Object Identifier

10.1016/j.optmat.2022.112127

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of dopant concentration on the optical characteristics of Cr3+: ZnGa2O4 transparent ceramics exhibiting persistent luminescence

Popis výsledku v původním jazyce

ZnGa2O4 (ZGO) persistent luminescence (PersL) ceramics doped with different concentrations of Cr3+ were prepared by the co-precipitation method and hot isostatic pressing (HIP) post-treatment. After HIP posttreatment, the ZGO PersL ceramics was significantly improved from opaque to transparent visual appearance due to the elimination of micro-pores during HIP process. The effects of Cr3+ concentration on the morphology, transmittance and PersL properties of ZGO PersL ceramics were systematically investigated. The ZGO PersL ceramics with higher Cr3+ dopant concentrations show less micro-pores and higher transmittance, which indicates that the Cr3+ can also work as a sintering additive to increase the density and to improve the optical quality of ZGO PersL ceramics. The photoluminescence excitation (PLE) and emission (PL) intensities increase with the increase of Cr3+ concentration up to 0.25 at.%.

Název v anglickém jazyce

Effect of dopant concentration on the optical characteristics of Cr3+: ZnGa2O4 transparent ceramics exhibiting persistent luminescence

Popis výsledku anglicky

ZnGa2O4 (ZGO) persistent luminescence (PersL) ceramics doped with different concentrations of Cr3+ were prepared by the co-precipitation method and hot isostatic pressing (HIP) post-treatment. After HIP posttreatment, the ZGO PersL ceramics was significantly improved from opaque to transparent visual appearance due to the elimination of micro-pores during HIP process. The effects of Cr3+ concentration on the morphology, transmittance and PersL properties of ZGO PersL ceramics were systematically investigated. The ZGO PersL ceramics with higher Cr3+ dopant concentrations show less micro-pores and higher transmittance, which indicates that the Cr3+ can also work as a sintering additive to increase the density and to improve the optical quality of ZGO PersL ceramics. The photoluminescence excitation (PLE) and emission (PL) intensities increase with the increase of Cr3+ concentration up to 0.25 at.%.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

EF16_019/0000760: Fyzika pevných látek pro 21. století

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Optical Materials

ISSN

0925-3467

e-ISSN

1873-1252

Svazek periodika

125

Číslo periodika v rámci svazku

Mar

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

112127

Kód UT WoS článku

000767884300003

EID výsledku v databázi Scopus

2-s2.0-85124988069