Search Results - "Nair, P. Sreekumari"

Evolutionary Shape Control During Colloidal Quantum-Dot Growth by Nair, P. Sreekumari, Fritz, Karolina P., Scholes, Gregory D.

“…Size‐dependent optical properties of semiconductor nanocrystals are of great interest because of the myriad of phenomena stemming from them. The preparation of…”
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Biopolymer-protected CdSe nanoparticles by Božanić, D.K., Djoković, V., Bibić, N., Sreekumari Nair, P., Georges, M.K., Radhakrishnan, T.

“…A synthetic procedure for the encapsulation of cadmium selenide (CdSe) nanoparticles in a sago starch matrix is introduced. The nanocomposite was investigated…”
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Structural characterization of CdSe nanorods by Fritz, Karolina P., Perovic, Aleksandra, Sreekumari Nair, P., Petrov, Srebri, Perovic, Doug D., Scholes, Gregory D.

“…We report the structural characterization of low aspect ratio CdSe nanorods synthesized by a multiple injection method. We extract information from…”
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Study of Sago starch-CdS nanocomposite films: fabrication, structure, optical and thermal properties by Radhakrishnan, T, Georges, M K, Nair, P Sreekumari, Luyt, A S, Djoković, V

“…A synthetic procedure for the preparation of nanocomposite films of sago starch and CdS nanoparticles was introduced. The films were characterized using…”
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Demonstration of Bulk Semiconductor Optical Properties in Processable Ag2S and EuS Nanocrystalline Systems by Huxter, Vanessa M., Mirkovic, Tihana, Nair, P. Sreekumari, Scholes, Gregory D.

“…EuS and Ag2S colloidal semiconductor nanocrystals are observed to display optical properties characteristic of the corresponding bulk materials, yet have the…”
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Composites comprising CdS nanoparticles and poly(ethylene oxide): optical properties and influence of the nanofiller content on the thermal behaviour of the host matrix by Radhakrishnan, T., Georges, M. K., Sreekumari Nair, P., Luyt, A.S., Djoković, V.

“…Tri- n -octylphosphine oxide-capped CdS nanoparticles were synthesized with the cadmium(II) complex of thiocarbohydrazide as a precursor. Nanocomposites were…”
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Single-Source Precursor Route for the Synthesis of EuS Nanocrystals by Mirkovic, Tihana, Hines, Margaret A, Nair, P. Sreekumari, Scholes, Gregory D

“…A single-source precursor synthetic route for the preparation of colloidal EuS nanocrystals is reported. By varying the decomposition conditions of the…”
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Preparation and characterization of polystyrene films containing PbS nanoparticles by SREEKUMARI NAIR, P, RADHAKRISHNAN, T, REVAPRASADU, N, KOLAWOLE, G. A, LUYT, A. S, DJOKOVIC, V

“…Lead sulfide, a narrow band gap semiconductor (Eg = 0.41 eV at room temperature), is very sensitive to finite size effects due to a large exciton Bohr radius…”
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Adsorption of sulfur onto a surface of silver nanoparticles stabilized with sago starch biopolymer by Djoković, Vladimir, Krsmanović, Radenka, Božanić, Dušan K., McPherson, Michael, Van Tendeloo, Gustaaf, Nair, P. Sreekumari, Georges, Michael K., Radhakrishnan, Thottackad

“…Adsorption of sulfide ions onto a surface of starch capped silver nanoparticles upon addition of thioacetamide was investigated. UV–vis absorption spectroscopy…”
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Reaction of o-phenylenediamine with diacetyl monoxime: characterisation of the product by solid-state 13C and 15N MAS NMR by Radhakrishnan, T., Sreekumari Nair, P., Kolawole, G. A., Revaprasadu, N., Hawkes, G. E., Motevalli, M., Bento, E. S., O'Brien, P.

“…2,3‐Dimethylquinoxaline (DMQ) and dimethylglyoxime (DMGH2) form a 1:1 hydrogen‐bonded complex in the solid state, which is completely dissociated in methanol…”
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Sizing up the Exciton in Complex-Shaped Semiconductor Nanocrystals by Kim, Jeongho, Nair, P. Sreekumari, Wong, Cathy Y, Scholes, Gregory D

“…We report a spectroscopic study of how nanocrystal shape influences exciton size. The effective exciton size in complex-shaped nanocrystals is examined by…”
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Inhibition of Microbial Growth by Silver-Starch Nanocomposite Thin Films by Božanić, Dušan K., Djoković, Vladimir, Dimitrijević-Branković, Suzana, Krsmanović, Radenka, McPherson, Michael, Nair, P. Sreekumari, Georges, Michael K., Radhakrishnan, Thottackad

“…A sago starch biopolymer with embedded silver nanoparticles has been studied as a material for the prevention of microbial growth. Approximately 8 nm in size,…”
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Nanocrystal Shape and the Mechanism of Exciton Spin Relaxation by Scholes, Gregory D, Kim, Jeongho, Wong, Cathy Y, Huxter, Vanessa M, Nair, P. Sreekumari, Fritz, Karolina P, Kumar, Sandeep

“…The rate of exciton spin relaxation (flips) between the bright exciton states (F = ±1) of CdSe nanocrystals is reported as a function of shape, for dots and…”
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Mechanism and Origin of Exciton Spin Relaxation in CdSe Nanorods by Kim, Jeongho, Wong, Cathy Y, Nair, P. Sreekumari, Fritz, Karolina P, Kumar, Sandeep, Scholes, Gregory D

“…The dynamics of exciton spin relaxation in CdSe nanorods of various sizes and shapes are measured by an ultrafast transient polarization grating technique. The…”
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Structure and properties of PbS-polyacrylamide nanocomposites by SREEKUMARI NAIR, P, RADHAKRISHNAN, T, REVAPRASADU, N, KOLAWOLE, G. A, LUYT, A. S, DJOKOVIC, V

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Polystyrene-co-maleic acid/CdS nanocomposites: Preparation and properties by Nair, P. Sreekumari, Radhakrishnan, T., Revaprasadu, N., Kolawole, G.A., Luyt, A.S., Djoković, V.

“…Composites of CdS nanoparticles confined in a polystyrene-co-maleic acid (PS-co-MAc) matrix have been prepared and characterized. It was shown that the acid…”
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The synthesis of HgS and CdS nanoparticles in polymer matrices by Sreekumari Nair, P., Radhakrishnan, T., Revaprasadu, N.

“…The synthesis of CdS nanoparticles in two different polymer matrices ie. polyacrylamide and polystyrene, is described. In addition, we describe the synthesis…”
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Spin relaxation in zinc blende and wurtzite CdSe quantum dots by Huxter, Vanessa M., Kim, Jeongho, Lo, Shun S., Lee, Anna, Nair, P. Sreekumari, Scholes, Gregory D.

“…We report exciton spin relaxation dynamics in colloidal wurtzite and zinc blende CdSe quantum dots using polarized transient grating spectroscopy. We report…”
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Relaxation in the Exciton Fine Structure of Semiconductor Nanocrystals by Wong, Cathy Y, Kim, Jeongho, Nair, P. Sreekumari, Nagy, Michelle C, Scholes, Gregory D

“…A spectroscopic study is reported of relaxation in the exciton fine structure of CdSe nanorods measured using ultrafast cross-polarized heterodyned third-order…”
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Interaction between excitons determines the non-linear response of nanocrystals by Salvador, Mayrose R., Sreekumari Nair, P., Cho, Minhaeng, Scholes, Gregory D.

“…The non-linear response of semiconductor quantum dots is investigated using three-pulse photon echo peak shift (3PEPS) experiments and simulations. The…”
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