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Research

The research in the lab is divided into three groups:

Dye Sensitized Solar cells :

Aiming to develop dye solar cells (DSCs) with emphasis on photon management, single sided structures and novel photoanode structures. Current projects are listed below:

• TiO2 nanofibers by LPD growth and application as a DSC electrode

• TiO2 hollow spheres by a templating method for improved light absorption and scattering in DSCs

• LbL deposition of TiO2 nanoparticles on cellulose fibers for synthesis of TiO2 nanofibers

• Growth of porous TiO2 on To foil for DSC application

• TiO2 fibers as scatterers in DSCs

• Effect of SPR of metallic nanoparticles on the efficiency of solar cells

• EPD deposited TiO2 fiber-nanoparticle composite films as DSC photoanode
• EPD method for making thick mesoporous TiO2 layers
• Single sided DSCs by using patterned electrodes

• Application of mesh substrates for low cost DSCs

• ZnO nanoplates: growth and application in DSCs

• ZnO-TiO2 composite films for improved DSC performance

• ZnO:Al films and wires as a high conductivity semiconductor base for DSCs
 

Hybrid LED's :

Aiming to develop technologies to grow high quality semiconductor nanoparticles, such as ZnS, CdS and CdSe, and doping them to attain luminescent nanoparticles for applications on hybrid LEDs. Current projects are listed below:

Luminescence properties of Mn doped CdS nanoparticles

Si luminescent nanoparticles obtained from porous silicon

Luminescence properties of Mn doped ZdS nanoparticles

Hybrid LED's based on CdS:O luminescent nanocrystals

Growth of luminescent CdS:O and ZnS:Mn nanocrystals by microwave irradiation 

CdSe nanocrystals by organometallic route 

Photocatalyst oxide nanoparticles and coatings :

Aiming to develop the technology of photocatalysts coatings for self-cleaning and air purifying applications. Current projects are listed below:

Self cleaning coatings on tile

Photocatalyst air purifying system

Sonochemical growth of Hydroxy apatite nanoparticles

Adsorption of TiO2 Nanoparticles on the surafce of cellulose fibers

Synthesis of CdS@TiO2 core-shell nanoparticles as visible light photocatalyst

Ag/TiO2 Nanocomposites for enhanced photocatalytic properties

 

Finished Projects :

 

TiO2 nanoparticles adsorption on glass fibers

Liquid phase deposition of TiO2 layers on mica

Synthesis and characterization of mono-disperse SiO2 nanoparticles

SiO2-TiO2 nanocomposites and their superhydrophilic property

Growth of TiO2 nanoparticles by pulsed laser ablation (PLA) in liquid media

Study of photocatalytic properties Visible-light active N-doped TiO2 prepared by reaction of TiO2 and urea

Growth of silver nanoparticles on cellulose fibers by UV excitation

Growth of nano silver Islands on Glass Fibers

Photochemical growth of silver nanoparticles

fabrication of Ag nanofibers

Synthesis of Zn2SiO4:Mn++/SiO2 composite nanostructures

Thermochemical growth of CdS nanoparticles

Photochemical growth of CdS nanoparticles

Fine tuning of CdS nanoparticles size

TiO2 nanofibers with a fractal structure

Electrophoretic deposition of TiO2 nanoparticles using non-aqueous sols

CVD growth of TiO2 self cleaning layers on mica substrate

Growth of silver fibers and silver coated cellulose fibers

Silver nanoparticles growth by reduction methods