Kaushik Roy Choudhury

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A new solution-based method to fabricate Cu(2)ZnSn(S,Se)(4) (CZTSSe) thin films is presented. Binary and ternary chalcogenide nanoparticles were synthesized and used as precursors to form CZTSSe thin films. The composition of the CZTSSe films can be easily controlled by adjusting the ratio of the nanoparticles used. The effect of compositional adjustment on(More)
We demonstrate that the shape of PbSe nanocrystals can be controlled systematically by seeding their growth with noble metal nanoparticles (Au, Ag, or Pd) and varying the seed and precursor concentrations. Cylinders (quantum rods), cubes, crosses, stars, and branched structures were produced in high yield at 150 degrees C in reaction times of a few minutes.(More)
Dedication I dedicate this thesis to my family and closest friends. My work would not be possible without their support. ii Acknowlegements I am grateful to my advisor Professor Anthony F. J. Levi for guiding me through these years of my PhD. I would like to thank him for his guidance, patience, support and encouragement during the course of my graduate(More)
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