luminescence investigation
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Author(s):  
Dongmei Wang ◽  
Xiliang Jiang ◽  
Zhuang Leng ◽  
Xinyu Wang ◽  
Weiling Yang ◽  
...  

Optik ◽  
2021 ◽  
pp. 167648
Author(s):  
Xuan Gu ◽  
Xiao-Yu Sun ◽  
Zheng He ◽  
Li-Dan Xu ◽  
Ming-Fang Shi

Optik ◽  
2021 ◽  
pp. 166809
Author(s):  
Jianjun Li ◽  
Xiaohua Liu ◽  
Yanfen Liu

Author(s):  
P. Kamonpha ◽  
P. Manyum ◽  
N. Chanthima ◽  
Y. Tariwong ◽  
N. Triamnak ◽  
...  

2021 ◽  
Author(s):  
Fanming Zeng ◽  
Dongmei Wang ◽  
Xiliang Jiang ◽  
Zhuang Leng ◽  
Xinyu Wang ◽  
...  

Abstract In this paper, the preparation of a series of Li2TiGe1-xCrxO5 phosphors by high-temperature solid-state reaction is reported. The results of X-ray diffraction show that the doping of Cr4+ ions makes the lattice expand to a larger size. X-ray photoelectron spectroscopy (XPS) analysis shows that the chromium ions in the sample are tetravalent, confirmed further by fluorescence spectroscopy. Under the excitation of 980nm laser, the Cr4+ ions 3T2 doped 3A2 radiates transition and emits light at 1300nm. At the same time, the luminescence lifetime decreases with the increase in Cr4+ ions doping concentration. Li2TiGe1-xCrxO5 phosphors have a broad application prospect in near-infrared LEDs.


2021 ◽  
Vol 583 ◽  
pp. 89-99
Author(s):  
Yu Wang ◽  
Yuee Ke ◽  
Shanshan Chen ◽  
Junmeng Luo ◽  
Shuang Shu ◽  
...  

Author(s):  
Dante Yugo Takamori ◽  
Rafaela Teixeira Alves ◽  
Artur da Silva Gouveia-Neto ◽  
Luciano Avallone Bueno ◽  
Danilo Manzani ◽  
...  

2020 ◽  
Vol 2020 (41) ◽  
pp. 3954-3958
Author(s):  
Danuta Dutczak ◽  
Amira Siai ◽  
Markus Ströbele ◽  
David Enseling ◽  
Thomas Jüstel ◽  
...  

2020 ◽  
Vol 107 ◽  
pp. 110010 ◽  
Author(s):  
Yu-Guo Yang ◽  
Feng-Nian Wu ◽  
Xian-Shun Lv ◽  
Hua-Jian Yu ◽  
Hua-Di Zhang ◽  
...  

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