Q-sized cadmium sulfide: synthesis, characterization, and efficiency of photoinitiation of polymerization of several vinylic monomers

Hoffman, A. J.; Mills, G.; Yee, H. K. C.; Hoffmann, M.

doi:10.1021/j100192a067

Cited by 307 publications

(181 citation statements)

References 9 publications

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“…The enhanced surface to volume ratio causes increase of surface states, which change the activity of electrons and holes, affecting the chemical reaction dynamics. The size quantization increases the band gap of photo catalysts to enhance the redox potential of conduction band electrons and valence band holes [27].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization of ZnS nanoparticles by Coprecipitation method using various capping agents - Photocatalytic activity and Kinetic study

Ayodhya¹

2013

IOSR-JAC

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Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization of ZnS nanoparticles by Coprecipitation method using various capping agents - Photocatalytic activity and Kinetic study

Ayodhya¹

2013

IOSR-JAC

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“…The recent intensive research in the area of metallic and ceramic nanoparticles stems from the special properties exhibited by these materials and their potential applications in electronics, optoelectronics, catalysis and thin film coatings [1][2][3][4][5][6] . In heterogeneous catalysis, for instance, the controlled synthesis of the catalyst is of primary importance, since the size of the particles is one of the main parameters in the control of the catalytic activity and selectivity [7][8][9] .…”

Section: Introductionmentioning

confidence: 99%

Effect of Reverse Micelle Water Pool in Synthesis of Zirconia Stabilized Copper Nanocomposite

Abdizadeh

Vahidshad

Baharvandi

et al. 2012

Int. J. Mod. Phys. Conf. Ser.

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In the water-in-oil (W/O) microemulsions based on anionic (AOT) surfactants, the ω value (molar ratio of water to surfactant), precursor, and surfactant could remarkably affect the synthesis of CuOZrO2 nanocomposite and the morphologies of the sol-gel products simultaneously. In this study, CuO-ZrO2 nanoparticles are synthesized using microreactors made of surfactant/water/n-hexane microemulsions and discusses the effect of different microemulsion variables on the particle size and particle size distribution by water-to-surfactant molar ratio. The obtained powders are characterized by DTA, XRD, SEM, EDS, and TEM and their physical properties are compared. For AOT surfactant the particle size increased with increasing the water to surfactant molar ratio. The particles size of CuO-ZrO2 nanocomposite in sample with anionic surfactant with molar ratio of 6 that calcined at 600˚C is between 15-20 nm.

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“…3 Considerable progress has been made in the synthetic methods for the ZnS:Mn naonocrystal materials including gas, solid state, and aqueous solution reactions via organometallic thermal decomposition routes. However, these methods often require high temperatures, pressures and even use of extremely toxic chemical substances.…”

Section: Introductionmentioning

confidence: 99%

Syntheses and Characterizations of Serine and Threonine Capped Water-Dispersible ZnS:Mn Nanocrystals and Comparison Study of Toxicity Effects on the growth of E. coli by the Methionine, Serine, Threonine, and Valine Capped ZnS:Mn Nanocrystals

Lim¹,

Park²,

Byun³

et al. 2012

Bulletin of the Korean Chemical Society

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Water-dispersible ZnS:Mn nanocrystals were synthesized by capping the surface of the nanocrystals with conventional aminoacids ligands: serine and threonine. The aminoacids capped ZnS:Mn nanocrystal powders were characterized by XRD, HR-TEM, EDXS, ICP-AES and FT-IR spectroscopy. The optical properties were also measured by UV/Vis and solution photoluminescence (PL) spectroscopies in aqueous solvents. The solution PL spectra showed broad emission peaks around 600 nm with PL efficiencies of 9.7% (ZnS:Mn-Ser) and 15.4% (ZnS:Mn-Thr) respectively. The measured particle sizes for the aminoacid capped ZnS:Mn nanocrystals by HR-TEM images were about 3.0-4.0 nm, which were also supported by Debye-Scherrer calculations. In addition, cytotoxic effects of four aminoacids capped ZnS:Mn nanocrsystals over the growth of wild type E. coli were investigated. Although toxicity in the form of growth inhibition was observed with all the aminoacids capped ZnS:Mn nanocrystals at higher dose (1 mg/mL), ZnS:Mn-Met and ZnS:Mn-Thr appeared non-toxic at doses less than 100 µg/mL. Low biological toxicities were seen at doses less than 10 µg/ mL for all nanocrystals.

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Q-sized cadmium sulfide: synthesis, characterization, and efficiency of photoinitiation of polymerization of several vinylic monomers

Cited by 307 publications

References 9 publications

Synthesis, Characterization of ZnS nanoparticles by Coprecipitation method using various capping agents - Photocatalytic activity and Kinetic study

Synthesis, Characterization of ZnS nanoparticles by Coprecipitation method using various capping agents - Photocatalytic activity and Kinetic study

Effect of Reverse Micelle Water Pool in Synthesis of Zirconia Stabilized Copper Nanocomposite

Syntheses and Characterizations of Serine and Threonine Capped Water-Dispersible ZnS:Mn Nanocrystals and Comparison Study of Toxicity Effects on the growth of E. coli by the Methionine, Serine, Threonine, and Valine Capped ZnS:Mn Nanocrystals

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