scholarly journals Enhanced Photoluminescence of Tb3+ Ions Ce3+ Ions and SnO2 Nanocrystals Co-doped Silica Thin Films

2022 ◽  
Vol 54 (2) ◽  
Author(s):  
Xin Zhang ◽  
Feng Guo ◽  
Li Zhuang ◽  
Qinghui Jin ◽  
Xiaowei Zhang
2021 ◽  
Author(s):  
Xin Zhang ◽  
Feng Guo ◽  
Li Zhuang ◽  
Qinghui Jin ◽  
Xiaowei Zhang

Abstract Co-doping Ce3+ ions and size-tunable SnO2 nanocrystals into Tb3+ ions embedded silica thin films produces a ninefold enhancement of Tb3+ related emission. Firstly, by optimizing the doping ratio of Sn4+ ions, the size of SnO2 nanoparticles was well tailored for achieving a greatly enhanced photoluminescence emission from Tb3+ ions. Another method to significantly enhance Tb3+ emission was increasing the proportion of Ce3+, and this method only require a relatively small amount rare earth (RE) ions for obtaining an obvious emission enhancement. On the other side, companied with the increase of Ce3+ ions concentration, the growth of CeO2 nanoparticles were proved seriously attenuated the photoluminescence intensity of Tb3+ ions. Finally, we also analyzed the influence of annealing temperature on the photoluminescence intensity. These results indicated that an appropriate proportion of Ce3+ ions and suitable size of SnO2 nanocrystals can effectively sensitize the luminescence of Tb3+ ions.


2018 ◽  
Vol 39 (8) ◽  
pp. 1100-1106
Author(s):  
解凯贺 XIE Kai-he ◽  
张晓伟 ZHANG Xiao-wei ◽  
束俊鹏 SHU Jun-peng ◽  
宋虎成 SONG Hu-cheng ◽  
张鑫 ZHANG Xin ◽  
...  

2015 ◽  
Vol 17 (18) ◽  
pp. 11974-11980 ◽  
Author(s):  
Xiaowei Zhang ◽  
Shaobing Lin ◽  
Tao Lin ◽  
Pei Zhang ◽  
Jun Xu ◽  
...  

High performance near-infrared luminous using broadband UV pumping.


2018 ◽  
Vol 452 ◽  
pp. 96-101 ◽  
Author(s):  
Xiaowei Zhang ◽  
Ruowang Chen ◽  
Pengjun Wang ◽  
Junpeng Shu ◽  
Huihong Zhang ◽  
...  

2019 ◽  
Vol 7 (6) ◽  
pp. 1568-1574 ◽  
Author(s):  
Ping Chen ◽  
Yiwei Mao ◽  
Shaodong Hou ◽  
Yang Chen ◽  
Xiaofen Liu ◽  
...  

Highly enhanced photoluminescence of Eu3+ achieved by co-doping SnO2 nanocrystals in mesoporous silica glasses.


2019 ◽  
Vol 40 (5) ◽  
pp. 623-629
Author(s):  
陈若望 CHEN Ruo-wang ◽  
汪鹏君 WANG Peng-jun ◽  
张晓伟 ZHANG Xiao-wei ◽  
张跃军 ZHANG Yue-jun ◽  
张会红 ZHANG Hui-hong ◽  
...  

1999 ◽  
Vol 340 (1-2) ◽  
pp. 230-232 ◽  
Author(s):  
Gang Gu ◽  
P.P Ong ◽  
Jinhua Cai ◽  
Wei Yang ◽  
Youwei Du ◽  
...  

2012 ◽  
Vol 10 (9) ◽  
pp. 091603-91606 ◽  
Author(s):  
Xiaowei Zhang Xiaowei Zhang ◽  
Tao Lin Tao Lin ◽  
Xiaofan Jiang Jun Xu (Mh) Xiaofan Jiang Jun Xu (Mh) ◽  
Jianfeng Liu Jianfeng Liu ◽  
Ling Xu Ling Xu ◽  
...  

Nanomaterials ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 1520
Author(s):  
Lei Qiu ◽  
Jiaxiong Xu ◽  
Xiao Tian

Ag and Mn dopants were incorporated into Cu2ZnSnS4 thin film to reduce defects in thin film and improve thin film properties. Sol–gel and spin-coating techniques were employed to deposit Ag and Mn co-doped Cu2ZnSnS4 thin films. The structures, compositions, morphologies, and optical properties of the co-doped thin films were characterized. The experimental results indicate the formation of kesterite structure without Ag and Mn secondary phases. The amount of Ag in the thin films is close to that in the sols. The co-doped Cu2ZnSnS4 thin films have an absorption coefficient of larger than 1.3 × 104 cm−1, a direct optical band gap of 1.54–2.14 eV, and enhanced photoluminescence. The nonradiative recombination in Cu2ZnSnS4 thin film is reduced by Ag and Mn co-doping. The experimental results show that Ag and Mn incorporation can improve the properties of Cu2ZnSnS4 thin film.


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