Yongchao Jia

activity

20152026

most citedFirst-principles Study of the Luminescence of Eu2+-doped Phosphors

62 citations · 265 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mtrl-sci2026

Micro-environment of the Eu interstitial in $β$ -SiAlON:Eu $^{2 +}$ green phosphor

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +2

The precise atomic-scale structure around Eu $^{2 +}$ activators in the $β$ -Si $_{6 - z}$ Al $_{z}$ O $_{z}$ N $_{8 - z}$ :Eu $^{2 +}$ commercial green phosphor remains elusive. We use the first-princ…

cond-mat.mtrl-sci2023★ 22 cited

A First-Principles Explanation of the Luminescent Line Shape of SrLiAl $_{3}$ N $_{4}$ :Eu $^{2 +}$ Phosphor for Light-Emitting Diode Applications

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +3

White light-emitting diodes are gaining popularity and are set to become the most common light source in the U.S. by 2025. However, their performance is still limited by the lack o…

cond-mat.mtrl-sci2021★ 14 cited

Design rule for the emission linewidth of Eu $^{2 +}$ -activated phosphors

Yongchao Jia, Samuel Poncé, Anna Miglio +2

We study from first principles the emission linewidth of Eu $^{2 +}$ -doped LED phosphors. Based on the one-dimensional configuration coordinate model, an analysis of first principles…

cond-mat.mtrl-sci2020★ 21 cited

Importance of long-range channel Sr displacements for the narrow emission in Sr[Li $_{2}$ Al $_{2}$ O $_{2}$ N $_{2}$ ]:Eu $^{2 +}$ phosphor

Julien Bouquiaux, Samuel Poncé, Yongchao Jia +3

The recently discovered Sr[Li $_{2}$ Al $_{2}$ O $_{2}$ N $_{2}$ ]:Eu $^{2 +}$ red phosphor, candidate for the next generation of eco-efficient white light-emitting diodes, exhibits excellent emissi…

cond-mat.mtrl-sci2019★ 14 cited

Beyond the one-dimensional configuration coordinate model of photoluminescence

Yongchao Jia, Samuel Poncé, Anna Miglio +2

The one-dimensional configuration coordinate model (1D-CCM) is widely used for the analysis of photoluminescence in molecules and doped solids, and relies on a linear combination o…

cond-mat.mtrl-sci2018★ 28 cited

Ab initio Study of Luminescence in Ce-doped Lu $_{2}$ SiO $_{5}$ : The Role of Oxygen Vacancies on Emission Color and Thermal Quenching Behavior

Yongchao Jia, Anna Miglio, Masayoshi Mikami +1

We study from first principles the luminescence of Lu $_{2}$ SiO $_{5}$ :Ce $^{3 +}$ (LSO:Ce), a scintillator widely used in medical imaging applications, and establish the crucial role of o…

cond-mat.mtrl-sci2017★ 62 cited

First-principles Study of the Luminescence of Eu2+-doped Phosphors

Yongchao Jia, Anna Miglio, Samuel Poncé +2

The luminescence of fifteen representative Eu $^{2 +}$ -doped phosphors used for white-LED and scintillation applications is studied through a Constrained Density Functional Theory. T…

cond-mat.mtrl-sci2017★ 43 cited

Assessment of First-Principles and Semiempirical Methodologies for Absorption and Emission Energies of Ce $^{3 +}$ -Doped Luminescent Materials

Yongchao Jia, Samuel Poncé, Anna Miglio +2

In search of a reliable methodology for the prediction of light absorption and emission of Ce $^{3 +}$ -doped luminescent materials, 13 representative materials are studied with first…

cond-mat.mtrl-sci2017★ 61 cited

First-principles study of Ce $^{3 +}$ doped lanthanum silicate nitride phosphors: Neutral excitation, Stokes shift, and luminescent center identification

Yongchao Jia, Anna Miglio, Samuel Poncé +2

We study from first principles two lanthanum silicate nitride compounds, LaSi $_{3}$ N $_{5}$ and La $_{3}$ Si $_{6}$ N $_{11}$ , pristine as well as doped with Ce $^{3 +}$ ion, in view of ex…

cond-mat.mtrl-sci2015

Understanding thermal quenching of photoluminescence from first principles

Samuel Ponce, Yongchao Jia, Matteo Giantomassi +2

Understanding the physical mechanisms behind thermal effects in phosphors is crucial for white light-emitting diodes (WLEDs) applications, as thermal quenching of their photolumine…

Micro-environment of the Eu interstitial in β-SiAlON:Eu2+ green phosphor

A First-Principles Explanation of the Luminescent Line Shape of SrLiAl3​N4​:Eu2+ Phosphor for Light-Emitting Diode Applications

Design rule for the emission linewidth of Eu2+-activated phosphors

Importance of long-range channel Sr displacements for the narrow emission in Sr[Li2​Al2​O2​N2​]:Eu2+ phosphor

Beyond the one-dimensional configuration coordinate model of photoluminescence

Ab initio Study of Luminescence in Ce-doped Lu2​SiO5​: The Role of Oxygen Vacancies on Emission Color and Thermal Quenching Behavior

First-principles Study of the Luminescence of Eu2+-doped Phosphors

Assessment of First-Principles and Semiempirical Methodologies for Absorption and Emission Energies of Ce3+-Doped Luminescent Materials

First-principles study of Ce3+ doped lanthanum silicate nitride phosphors: Neutral excitation, Stokes shift, and luminescent center identification

Understanding thermal quenching of photoluminescence from first principles

Micro-environment of the Eu interstitial in $β$ -SiAlON:Eu $^{2 +}$ green phosphor

A First-Principles Explanation of the Luminescent Line Shape of SrLiAl $_{3}$ N $_{4}$ :Eu $^{2 +}$ Phosphor for Light-Emitting Diode Applications

Design rule for the emission linewidth of Eu $^{2 +}$ -activated phosphors

Importance of long-range channel Sr displacements for the narrow emission in Sr[Li $_{2}$ Al $_{2}$ O $_{2}$ N $_{2}$ ]:Eu $^{2 +}$ phosphor

Ab initio Study of Luminescence in Ce-doped Lu $_{2}$ SiO $_{5}$ : The Role of Oxygen Vacancies on Emission Color and Thermal Quenching Behavior

Assessment of First-Principles and Semiempirical Methodologies for Absorption and Emission Energies of Ce $^{3 +}$ -Doped Luminescent Materials

First-principles study of Ce $^{3 +}$ doped lanthanum silicate nitride phosphors: Neutral excitation, Stokes shift, and luminescent center identification