Research Lines



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Current research lines: 

  • Enhancement of photocatalytic action of large band-gap semiconductors materials (i.e, TiO2) by high intense UV-blue up-conversion photonics


TurningSun intoBlue

  • White ligth generation and colour tuneability by rare-earth doped upconversion luminescent materials (glasses, nano-glass-ceramics, etc)

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 RE materials

Former research lines: 

  • Down and up-conversion processes in RE-doped nano-glass-ceramics for enhancement of silicon solar cells efficiency for photovoltaic applications


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V.D. Rodríguez, V. K. Tikhomirov, J. Méndez-Ramos, A.C. Yanes, V.V. Moshchalkov

"Towards broad range and highly efficient down-conversion of solar spectrum by Er3+-Yb3+ co-doped nano-structured glass-ceramics"

Solar E

nergy Materials and Solar Cells. 94, pp. 1612 - 1617 (2010)


A.C. Yanes, J. del-Castillo, J. Méndez-Ramos, V.D. Rodríguez,

"Sol-Gel Glass-Ceramics Comprising rare-earth Doped SnO2 and LaF3 Nanocrystals: an efficient simultaneous UV and IR to visible converter

Journal of Nanoparticle Research. 13, pp. 7295 - 7301 (2011) 

  • Broad and flat gain cross-section of 1.5 micron for Erbium doped optical amplifier (Shape of 1.55 micron emission in Er3+-doped oxyfluoride nano-glass-ceramics)

Fiber 1Er1500nmFiber 2

V.D. Rodríguez, V.K. Tikhomirov, J. Méndez-Ramos, A.B. Seddon 
"The shape of the 1.55micron emission band of the Er3+-dopant in oxyfluoride nano-scaled glass-ceramics"
EPL-Europhysics Letters. 69 - 1, pp. 128 - 134 (2005)

J. Méndez-Ramos, V.K. Tikhomirov, A.B. Seddon, V.D. Rodríguez 
"Flat gain cross-section of 1.5 micron amplifier in Er3+-doped oxyfluoride glass-ceramics" 
Physica Status Solidi (a). 201 - 9, pp. 57 - 59 (2004)