Synthesis of ITO nanocrystals in mesoporous silica glasses and application for enhanced down-conversion fluorescence of Er3+/Yb3+ ions

2019 ◽  
Author(s):  
Ping Chen ◽  
Lvyun Yang ◽  
Jinyan Li ◽  
Nengli Dai
Keyword(s):  
Mesoporous Silica ◽  
Silica Glasses ◽  
Down Conversion

Growth of SnO2 nanocrystals co-doped with Eu3+ for highly enhanced photoluminescence in mesoporous silica glasses

2019 ◽  
Vol 7 (6) ◽  
pp. 1568-1574 ◽  
Author(s):  
Ping Chen ◽  
Yiwei Mao ◽  
Shaodong Hou ◽  
Yang Chen ◽  
Xiaofen Liu ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Silica Glasses ◽  
Co Doping ◽  
Enhanced Photoluminescence ◽  
Sno2 Nanocrystals ◽  
Co Doped

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

A highly efficient and stable green-emitting mesoporous silica (MP)–(Cs0.4Rb0.6)PbBr3 perovskite composite for application in optoelectronic devices

2017 ◽  
Vol 41 (23) ◽  
pp. 14076-14079 ◽  
Author(s):  
Young Hyun Song ◽  
Seung Hee Choi ◽  
Won Kyu Park ◽  
Jin Sun Yoo ◽  
Bong Kyun Kang ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Optoelectronic Devices ◽  
White Led ◽  
Highly Efficient ◽  
The Stability ◽  
Down Conversion

Mesoporous silica efficiently improved the stability of green-emitting (Cs0.4Rb0.6)PbBr3. A down-conversion white LED was characterized.

In-situ growth of highly monodisperse ITO nanoparticles regulated by mesoporous silica glasses

2018 ◽  
Vol 151 ◽  
pp. 53-59 ◽  
Author(s):  
Ping Chen ◽  
Zhangru Chen ◽  
Shaodong Hou ◽  
Xiang Shen ◽  
Yingbo Chu ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
In Situ Growth ◽  
Silica Glasses ◽  
Ito Nanoparticles

Enhanced type I photoreaction of indocyanine green via electrostatic-force-driven aggregation

Nanoscale ◽  
2020 ◽  
Vol 12 (17) ◽  
pp. 9517-9523 ◽  
Author(s):  
Huizhen Fan ◽  
Yu Fan ◽  
Wenna Du ◽  
Rui Cai ◽  
Xinshuang Gao ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Indocyanine Green ◽  
Electrostatic Force ◽  
Type I ◽  
Positively Charged

ICG forms aggregates in positively charged mesoporous silica, which show an enhanced type I photoreaction pathway.

Synthesis of Smart Mesoporous Materials

2003 ◽  
Vol 775 ◽  
Author(s):  
G.V.Rama Rao ◽  
Qiang Fu ◽  
Linnea K. Ista ◽  
Huifang Xu ◽  
S. Balamurugan ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Mesoporous Materials ◽  
Fluorescent Dyes ◽  
Thermo Gravimetric Analysis ◽  
Molecular Transport ◽  
Solute Diffusion ◽  
Gravimetric Analysis ◽  
Stimuli Responsive ◽  
Porous Network ◽  
Hybrid Mesoporous Materials

AbstractThis study details development of hybrid mesoporous materials in which molecular transport through mesopores can be precisely controlled and reversibly modulated. Mesoporous silica materials formed by surfactant templating were modified by surface initiated atom transfer radical polymerization of poly(N-isopropyl acrylamide) (PNIPAAm) a stimuli responsive polymer (SRP) within the porous network. Thermo gravimetric analysis and FTIR spectroscopy were used to confirm the presence of PNIPAAm on the silica surface. Nitrogen porosimetry, transmission electron microscopy and X-ray diffraction analyses confirmed that polymerization occurred uniformly within the porous network. Uptake and release of fluorescent dyes from the particles was monitored by spectrofluorimetry and scanning laser confocal microscopy. Results suggest that the presence of PNIPAAm, a SRP, in the porous network can be used to modulate the transport of aqueous solutes. At low temperature, (e.g., room temperature) the PNIPAAm is hydrated and extended and inhibits transport of analytes; at higher temperatures (e.g., 50°C) it is hydrophobic and is collapsed within the pore network, thus allowing solute diffusion into or out of the mesoporous silica. The transition form hydrophilic to hydrophobic state on polymer grafted mesoporous membranes was determined by contact angle measurements. This work has implications for the development of materials for the selective control of transport of molecular solutes in a variety of applications.

Sign in / Sign up

Export Citation Format

Share Document