Highly efficient and stable CsPbBr3 perovskite quantum dots by encapsulation in dual-shell hollow silica spheres for WLEDs

2020 ◽  
Vol 7 (10) ◽  
pp. 2060-2071 ◽  
Author(s):  
Lei Qiu ◽  
Hang Yang ◽  
Zhigao Dai ◽  
Fengxu Sun ◽  
Jiarui Hao ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Silica Spheres ◽  
Silica Nanospheres ◽  
Hollow Silica ◽  
Highly Efficient ◽  
Hollow Silica Spheres ◽  
Direct Exposure ◽  
Perovskite Quantum Dots ◽  
Hollow Silica Nanospheres

A highly stable and efficient CsPbBr3@SiO2 composite phosphor is achieved by protecting the CsPbBr3 QDs from direct exposure to the atmosphere by encapsulating CsPbBr3 into dual-shell hollow silica nanospheres.

Preparation and Characterization of Hollow Silica Nanospheres

2011 ◽  
Vol 393-395 ◽  
pp. 240-243 ◽  
Author(s):  
Li Li Feng ◽  
Wei Zhao ◽  
Jing Jing Tong ◽  
Guan Hua Yue
Keyword(s):  
Electron Microscopy ◽  
Nitrogen Adsorption ◽  
Silica Shell ◽  
Silica Spheres ◽  
Silica Nanospheres ◽  
Hollow Silica ◽  
Hollow Silica Spheres ◽  
Transmission Electron ◽  
Hollow Silica Nanospheres

Monodisperse hollow silica nanospheres were prepared using functionalized polystyrene (PS) as a template and characterized by transmission electron microscopy (TEM), nitrogen adsorption and thermo gravimetry (TG) techniques. The effect of ammonia amount on hollow silica spheres was explored. It is found that the ammonia amount is important to the fabrication of hollow silica nanospheres. The roughness and thickness of the silica shell increased with the increase of ammonia amount. When ammonia amount reached 20 ml, the product hadn’t been hollow structural. The TGA curves and the BET results of the samples supplied a proof for the formation mechanism of the hollow silica spheres.

Organosilane-functionalized graphene quantum dots and their encapsulation into bi-layer hollow silica spheres for bioimaging applications

2014 ◽  
Vol 16 (42) ◽  
pp. 23188-23195 ◽  
Author(s):  
Ting Wen ◽  
Baocheng Yang ◽  
Yanzhen Guo ◽  
Jing Sun ◽  
Chunmei Zhao ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Silica Spheres ◽  
Functionalized Graphene ◽  
Hollow Silica ◽  
Hollow Silica Spheres

We demonstrate an affordable method to fabricate organosilane-functionalized graphene quantum dots and their encapsulation into bi-layer hollow silica spheres for bioimaging applications.

One-Pot Preparation of Hollow Silica Spheres by Using Thermosensitive Poly(N-isopropylacrylamide) as a Reversible Template

Langmuir ◽  
2009 ◽  
Vol 25 (20) ◽  
pp. 12367-12373 ◽  
Author(s):  
Binyang Du ◽  
Zheng Cao ◽  
Zhenbing Li ◽  
Aixiong Mei ◽  
Xinghong Zhang ◽  
...  
Keyword(s):  
Silica Spheres ◽  
One Pot ◽  
Hollow Silica ◽  
Hollow Silica Spheres

Functionalized Holmium-Doped Hollow Silica Nanospheres for Combined Sonodynamic and Hypoxia-Activated Therapy

2018 ◽  
Vol 29 (3) ◽  
pp. 1805764 ◽  
Author(s):  
Yanke Wang ◽  
Yan Liu ◽  
Huixia Wu ◽  
Jianping Zhang ◽  
Qiwei Tian ◽  
...  
Keyword(s):  
Silica Nanospheres ◽  
Hollow Silica ◽  
Hollow Silica Nanospheres
Sign in / Sign up

Export Citation Format

Share Document