"Babes-Bolyai" University

"Raluca Ripan" Institute for Research in Chemistry
   

Inorganic Compounds Laboratory

Research Topics
   
Traditional research topics
   
 
Synthesis of high purity inorganic substances
 
 
 
 
Synthesis and characterisation of materials with luminescent properties
 
 
 
 
Polyoxometalates chemistry
  • Synthesis and characterization of Keggin and Dawson related polyoxometalates
  • Interaction of polyoxometalates with biological molecules
  • Polyoxometalate based catalysts
 
Synthesis/manufacture of phosphors for different applications
  • Roentgenoluminescent pigments --- X-ray intensifying screens
  • Photoluminescent and phosphorescent pigments --- luminous signs for night seeing
  • Cathodoluminescent pigments --- screens for cathode ray tubes
  • Radioluminescent pigments --- tritium light sources; screens for radiation detection
 
Growth and characterisation of thin films with luminescent properties
 
 
 
 
New physico-chemical aspects referring to:
  • Formation of luminescent substances doped with rare earth ions
  • Growth and properties of doped thin films
  • Catalytic processes
   
Recent research topics
   
 
Materials with catalytic properties for the destruction of ozone in residual gases
 
 
 
 
New macrocyclic compounds with host-guest properties
  • Calixarenes, as anion and cation receptors for separation/detection  of precious/ rare earth metals from aqueous solutions --- metal sequestrating materials based on calixarenes
  • Ionophores on calixarenes basis for detection of Na+ ions from biologic fluids n electrochemical sensors
 
 
Nano- and microstructured luminescent materials
  • Phosphors/pigments for optoelectronic devices:  plasma display panels, gas discharge tubes, LED etc.
 
 
 
Oxide layers with controled porosity for catalytic purposes
  • Catalytic support with metallic skeleton
 
 
 
Metallic pigments with well defined particle morfology and dimensions (from nano to micropowders)
  • Anticorosive coatings
 
 
 
Technologies using ozone as oxidising agent
  • Alternative technologies/procedures for cellulose bleaching, waste water treatment and fruits storage
 
 
© 16-Jan-2008 ICCRR