Tunable white-light emission via energy transfer in single-phase LiGd(WO4)2:Re3+ (Re = Tm, Tb, Dy, Eu) phosphors for UV-excited WLEDs

RSC Advances ◽  
2015 ◽  
Vol 5 (117) ◽  
pp. 96272-96280 ◽  
Author(s):  
Yang Zhang ◽  
Weitao Gong ◽  
Jingjie Yu ◽  
Yuan Lin ◽  
Guiling Ning
Keyword(s):  
Energy Transfer ◽  
Solid State ◽  
White Light ◽  
Solid State Reaction ◽  
Single Phase ◽  
Light Emission ◽  
White Light Emission ◽  
Energy Transfer Mechanism ◽  
Photoluminescence Properties ◽  
Light Emitting

Novel single-phase white-light-emitting phosphors have been successfully synthesized by a solid-state reaction and their photoluminescence properties and energy transfer mechanism have been carefully investigated.

scholarly journals Multiple Energy Transfer in Luminescence-Tunable Single-Phased Phosphor NaGdTiO4: Tm3+, Dy3+, Sm3+

Nanomaterials ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. 1249 ◽  
Author(s):  
Jun Xiao ◽  
Cong Wang ◽  
Xin Min ◽  
Xiaowen Wu ◽  
Yangai Liu ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Solid State ◽  
White Light ◽  
Single Phase ◽  
Light Emission ◽  
Photoluminescence Properties ◽  
Light Emitting ◽  
Energy Transfers ◽  
White Light Emitting Diodes ◽  
Tunable Emission

Advances in solid-state white-light-emitting diodes (WLEDs) necessitate the urgent development of highly efficient single-phase phosphors with tunable photoluminescence properties. Herein, the Tm3+, Dy3+, and Sm3+ ions are incorporated into the orthorhombic NaGdTiO4 (NGT) phosphors, resulting in phosphors that fulfill the aforementioned requirement. The emission spectrum of Tm3+ ions overlaps well with the adsorption spectra of both Dy3+ and Sm3+ ions. Under the excitation at 358 nm, the single-phase NaGdTiO4: Tm3+, Dy3+, Sm3+ phosphor exhibits tunable emission peaks in the blue, yellow, and red regions simultaneously, resulting in an intense white-light emission. The coexisting energy transfer behaviors from Tm3+ to Dy3+ and Sm3+ ions and the energy transfer from Dy3+ to Sm3+ ions are demonstrated to be responsible for this phenomenon. The phosphors with multiple energy transfers enable the development of single-phase white-light-emitting phosphors for phosphor-converted WLEDs.

A new single-phase white-light-emitting CaWO4:Dy3+ phosphor: synthesis, luminescence and energy transfer

RSC Advances ◽  
2015 ◽  
Vol 5 (77) ◽  
pp. 62527-62533 ◽  
Author(s):  
Yang Zhang ◽  
Weitao Gong ◽  
Jingjie Yu ◽  
Hongchang Pang ◽  
Qiang Song ◽  
...  
Keyword(s):  
Energy Transfer ◽  
White Light ◽  
Single Phase ◽  
Transfer Mechanism ◽  
Energy Transfer Mechanism ◽  
Photoluminescence Properties ◽  
Light Emitting

A new single-phase white-emitting CaWO4:Dy3+ phosphor has been successfully synthesized and the photoluminescence properties and energy-transfer mechanism have been carefully investigated.

scholarly journals Structure and photoluminescence properties of novel Sr6Ca4(PO4)6F2:Re (Re = Eu2+, Mn2+) phosphors with energy transfer for white-emitting LEDs

RSC Advances ◽  
2017 ◽  
Vol 7 (65) ◽  
pp. 41282-41288 ◽  
Author(s):  
Hongwei Xu ◽  
Lili Wang ◽  
Dan Qu ◽  
Zhiyun Si ◽  
Jinsheng Shi
Keyword(s):  
Energy Transfer ◽  
Solid State ◽  
White Light ◽  
Solid State Reaction ◽  
Photoluminescence Properties ◽  
Light Emitting

A series of Sr6Ca4(PO4)6F2:Eu2+,Mn2+ phosphors were synthesized by traditional solid state reaction. Through controlling the ratio of Eu2+ and Mn2+, emission colors can be tuned from blue to yellow, including white-light-emitting.

Utilizing an effective framework to dye energy transfer in a carbazole-based metal–organic framework for high performance white light emission tuning

2018 ◽  
Vol 5 (11) ◽  
pp. 2868-2874 ◽  
Author(s):  
Yu-Pei Xia ◽  
Chen-Xue Wang ◽  
Lian-Cai An ◽  
Da-Shuai Zhang ◽  
Tong-Liang Hu ◽  
...  
Keyword(s):  
Energy Transfer ◽  
White Light ◽  
High Performance ◽  
Light Emission ◽  
Metal Organic Framework ◽  
White Light Emission ◽  
Transfer Mechanism ◽  
Energy Transfer Mechanism ◽  
Light Emitting ◽  
Metal Organic

By introducing dyes into a MOF, a white-light-emitting luminophor was obtained based on effective framework to dye energy transfer mechanism.

Dy3+ doped LaInO3: A host-sensitized white luminescence phosphor with exciton-mediated energy transfer

2021 ◽  
Author(s):  
Tao Hu ◽  
Lei Xia ◽  
Wen Liu ◽  
Jiyang Xie ◽  
Zuimin Jiang ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Rare Earth ◽  
White Light ◽  
Single Phase ◽  
Light Emission ◽  
White Light Emission ◽  
The Self ◽  
Energy Transfer Mechanism ◽  
Rare Earth Ion ◽  
White Luminescence

Host-sensitized rare-earth-ion lighting has emerged as a promising route to realize single-phase white-light emission due to effectively overcoming the self-absorption problems within multiple phosphors. However, the involved energy transfer mechanism...

White light emission from a two-component hybrid gel via an energy transfer process

2015 ◽  
Vol 17 (48) ◽  
pp. 32297-32303 ◽  
Author(s):  
Xinhua Cao ◽  
Haichuang Lan ◽  
Zhenhua Li ◽  
Yueyuan Mao ◽  
Liming Chen ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Transfer Process ◽  
White Light ◽  
Light Emission ◽  
Light Harvesting ◽  
Energy Transfer Process ◽  
White Light Emission ◽  
Light Emitting ◽  
Hybrid Gel ◽  
Two Component

A two-component light-harvesting organogel containing a naphthalimide-based gelator as a donor and a phosphorescent Ir(iii) complex as an acceptor was used to produce white-light-emitting organogels.

Tunable luminescence from Sm3+, Ce3+ codoped Al2O3–La2O3–SiO2 glasses for white light emission

2009 ◽  
Vol 24 (5) ◽  
pp. 1730-1734 ◽  
Author(s):  
Hucheng Yang ◽  
G. Lakshminarayana ◽  
Yu Teng ◽  
Shifeng Zhou ◽  
Jianrong Qiu
Keyword(s):  
Energy Transfer ◽  
White Light ◽  
Spectral Properties ◽  
Light Emission ◽  
Light Emitting Diode ◽  
Fluorescence Decay ◽  
White Light Emission ◽  
Luminescence Properties ◽  
Light Emitting ◽  
Luminescence Efficiency

Sm3+, Ce3+ codoped Al2O3–La2O3–SiO2 glasses were prepared and their luminescence properties were characterized. Blue-cyan to orange-red tunable luminescence was observed from these glasses with different excitation wavelengths ranging from 385 to 410 nm. White light emission with internal luminescence efficiency 42% has been observed using commercially available purple light-emitting-diode excitation. The energy transfer between Ce3+ and Sm3+ has also been investigated from fluorescence decay curves and spectral properties.

Photo-facilitated aggregation and correlated color temperature adjustment of single component organic solid state white-light emitting materials

2015 ◽  
Vol 3 (17) ◽  
pp. 4563-4569 ◽  
Author(s):  
Cheng Chen ◽  
Xu-Hui Jin ◽  
Xue-Jun Zhou ◽  
Li-Xuan Cai ◽  
Ya-Jun Zhang ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Solid State ◽  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Single Component ◽  
Color Temperature ◽  
Dual Emission ◽  
Light Emitting ◽  
Organic Solid

A pyridinium derivative with photo-facilitated aggregation and intra-/intermolecular charge transfer synergy-induced dual emission has been presented. The correlated color temperature tunable white-light emission can be realized in different states.

scholarly journals Luminescent properties of benzothiazole derivatives and their application in white light emission

RSC Advances ◽  
2017 ◽  
Vol 7 (7) ◽  
pp. 4196-4202 ◽  
Author(s):  
Fengxian Lu ◽  
Rui Hu ◽  
Shuangqing Wang ◽  
Xudong Guo ◽  
Guoqiang Yang
Keyword(s):  
Energy Transfer ◽  
White Light ◽  
Light Emission ◽  
Luminescent Properties ◽  
Simple Approach ◽  
White Light Emission ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Benzothiazole Derivatives ◽  
Pmma Matrix

A saturated white-light emission was obtained by dispersing three benzothiazole analogues into a solid PMMA matrix. This skillfully avoids the detrimental energy transfer between doped dyes providing a simple approach for fabrication of white-light emitting devices.

Sign in / Sign up

Export Citation Format

Share Document