Ce–surfactant lamellar assemblies with strong UV/visible emission and controlled nanostructures

2012 ◽  
Vol 22 (38) ◽  
pp. 20358 ◽  
Author(s):  
Takaaki Taniguchi ◽  
Makoto Echikawa ◽  
Yuki Naito ◽  
Hikaru Tateishi ◽  
Asami Funatsu ◽  
...  
Keyword(s):  
Visible Emission ◽  
Uv Visible

UV-visible emission of (O2- - F+) centres in KBr

2007 ◽  
Vol 42 (11) ◽  
pp. 1123-1125 ◽  
Author(s):  
F. Zehani ◽  
M. Sebais
Keyword(s):  
Visible Emission ◽  
Uv Visible

UV–visible emission in Tb–Yb codoped tellurite glass on 980-nm excitation

2007 ◽  
Vol 89 (2-3) ◽  
pp. 345-348 ◽  
Author(s):  
N.K. Giri ◽  
D.K. Rai ◽  
S.B. Rai
Keyword(s):  
Tellurite Glass ◽  
Visible Emission ◽  
Uv Visible

Multifunctional GdPO4:Pr3+ nanocrystals displaying UV emission, visible emission, and magnetic properties

2014 ◽  
Vol 1655 ◽  
Author(s):  
Junsang Cho ◽  
Chang Hae Kim
Keyword(s):  
Magnetic Properties ◽  
Magnetic Resonance ◽  
Visible Emission ◽  
Visible Range ◽  
Mr Contrast Agents ◽  
Uv Emission ◽  
Magnetic Resonance Imaging Contrast ◽  
Uv Visible ◽  
Co Precipitation ◽  
Imaging Contrast Agent

ABSTRACTMultifunctional Pr3+-doped GdPO4 nanocrystals possessing UV, visible emissions and magnetic properties were synthesized via co-precipitation and following annealing. It was revealed that as-prepared GdPO4 nanorods were transformed to nanoparticles after heat treatment at 900 °C for 2 hours. Ultimately, GdPO4:Pr3+ nanoparticles have strong UV emission under the excitation of 275 nm and visible emission under the excitation of 445 nm, which offers the optical modalities in both UV and visible range. Moreover, Gd3+-containing nanoparticles are efficient T2-weighted (negative) magnetic resonance (MR) contrast agents due to the presence of Gd3+ ions, which can be potentially applied as multimodal, photoluminescence-magnetic resonance imaging contrast agent.

scholarly journals UV-visible emission as a probe of core excitations applied to the furan and carbon dioxide molecules

2009 ◽  
Vol 190 ◽  
pp. 012051 ◽  
Author(s):  
A Kivimäki ◽  
M Coreno ◽  
J Álvarez Ruiz ◽  
M de Simone ◽  
M Dampc ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Visible Emission ◽  
Uv Visible ◽  
Core Excitations

LUMINESCENCE PROPERTIES OF LiKGdF5 CRYSTALS DOPED WITH Er3+ AND Tm3+ AS PROMISING MATERIALS FOR VUV-EXCITED PHOSPHORS

2002 ◽  
Vol 09 (01) ◽  
pp. 271-276 ◽  
Author(s):  
V. N. MAKHOV ◽  
N. M. KHAIDUKOV ◽  
M. KIRM ◽  
G. ZIMMERER ◽  
S. K. LAM ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Vacuum Ultraviolet ◽  
Noble Gas ◽  
Spectroscopic Properties ◽  
Gas Discharge ◽  
Cross Relaxation ◽  
Visible Emission ◽  
Luminescence Properties ◽  
Uv Visible

The spectroscopic properties of LiKGdF 5 crystals doped with Er 3+ or Tm 3+ and codoped with Dy 3+, Tb 3+ or Sm 3+, and of LiKYF 5 crystals doped with Er 3+ or Tm 3+ and codoped with Dy 3+ have been studied under excitation by vacuum ultraviolet (VUV) radiation. It has been found that in LiKGdF 5 crystals doped with Er 3+ or Tm 3+ the VUV energy absorbed by 4f–5d transitions in the Er 3+ or the Tm 3+ ion is nearly completely converted into the UV/visible emission. At least in the LiKGdF 5: Er 3+ crystal some part of such a conversion is due to the energy transfer from the 5d state of the Er 3+ ion to the neighboring Gd 3+ ion as a result of cross-relaxation giving rise to the emission of two UV/visible photons instead of one VUV quantum. LiKGdF 5 crystals doped with Er 3+ and codoped with Dy 3+, Tb 3+ or Sm 3+ can be considered as promising materials for phosphors excited by VUV radiation from noble gas discharge.

Chimie des pigments anthocyaniques. 4. Spectre d’absorption UV-visible de la forme chalcone de la glucoside-3 malvidine

1979 ◽  
Vol 76 ◽  
pp. 273-276 ◽  
Author(s):  
R. Brouillard ◽  
B. Delaporte ◽  
J. M. EL Hage Chahine ◽  
J. E. Dubois
Keyword(s):  
Uv Visible

Infrared and UV-visible spectra of layer semiconductors Gas, GaSe and GaTe

1977 ◽  
Vol 38 (10) ◽  
pp. 1293-1299 ◽  
Author(s):  
U. Giorgianni ◽  
G. Mondio ◽  
P. Perillo ◽  
G. Saitta ◽  
G. Vermiglio
Keyword(s):  
Visible Spectra ◽  
Uv Visible
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