Surface versus solution chemistry: manipulating nanoparticle shape and composition through metal–thiolate interactions

Nanoscale ◽  
2019 ◽  
Vol 11 (2) ◽  
pp. 512-519 ◽  
Author(s):  
Joshua D. Smith ◽  
Connor M. Bunch ◽  
Yuda Li ◽  
Kallum M. Koczkur ◽  
Sara E. Skrabalak
Keyword(s):  
Solution Chemistry ◽  
Growth Strategies ◽  
Organic Additives ◽  
Seeded Growth ◽  
High Quality ◽  
Nanoparticle Shape ◽  
Surface Versus ◽  
Versus Solution

The introduction of organic additives to seeded growth strategies is allowing for high quality nanoparticles to be achieved. Here, thiophenol derivatives are introduced to simultaneously control nanoparticle symmetry and composition.

Nanocrystalline semiconductor LEDs with simple structure and high efficiency

2003 ◽  
Vol 771 ◽  
Author(s):  
Dietrich Bertram ◽  
Volker Weiler ◽  
Dimitri Talapin ◽  
Horst Weller
Keyword(s):  
High Efficiency ◽  
Organic Materials ◽  
Visible Spectrum ◽  
Semiconductor Nanoparticles ◽  
Solution Chemistry ◽  
Inorganic Nanoparticles ◽  
Ambient Conditions ◽  
High Quality ◽  
Synthesis Conditions ◽  
Nanocrystalline Semiconductor

AbstractNanocrystalline semiconductor particles exhibit a size dependent bandgap emission, due to size quantisation effects. These particles are derived from solution chemistry and can be made monodisperse under the right synthesis conditions. Compared to organic materials, the inorganic nanoparticles show much higher stability against oxidation and degradation, which makes them an interesting candidate for LEDs and displays. So far, LEDs based on semiconductor nanoparticles typically included low stability organic materials to provide charge injection. The talk will present a new class of nanoparticle LEDs, made without sensitive organic materials. These LEDs show high efficiencies, well defined color throughout the red to green part of the visible spectrum and improved stability under ambient conditions without excessive encapsulation. Using high quality monodisperse suspensions, high color purity is achieved for the emission which paves the road to cheap, high quality displays based on inorganic semiconductor nanoparticles.

Gas phase versus solution chemistry: on the reversal of regiochemistry of methylation of sp2- and sp3-nitrogens

2001 ◽  
Vol 42 (39) ◽  
pp. 6949-6952 ◽  
Author(s):  
Jennifer S Brodbelt ◽  
John Isbell ◽  
Jonathan M Goodman ◽  
Henry V Secor ◽  
Jeffrey I Seeman
Keyword(s):  
Gas Phase ◽  
Solution Chemistry ◽  
Phase Versus ◽  
Versus Solution

Sol-Gel Processing of Lithium Niobate Thin-Layers on Silicon

1988 ◽  
Vol 121 ◽  
Author(s):  
Dennis J. Eichorst ◽  
D. A. Payne
Keyword(s):  
Sol Gel ◽  
Solution Chemistry ◽  
Thin Layers ◽  
Processing Route ◽  
High Quality ◽  
Spin Casting ◽  
Evolution Of Structure ◽  
Stable Solutions ◽  
Gel Processing

ABSTRACTSol-gel processing was used for the fabrication of LiNbO3 thin-layers on semiconductors. Two different alkoxide systems were investigated (i.e., ethoxide vs. methoxyethoxide) to determine the role of solution chemistry on the evolution of structure in LiNbO3 layers. An alcohol exchange reaction, which produced lithium niobium methoxyethoxide, proved advantageous with respect to the amount of hydrolysis water content which could be added to give stable solutions. Spin-casting was used for the deposition of thin-layers which crystallized at 500 C on Si. The refractive index of sol-gel derived LiNbO3 was determined to be similar to sputtered or epitaxially grown films. Data are reported for the processing route and the material characteristics. Methoxyethanol based systems appeared to be more forgiving than ethanol based solutions for the fabrication of high-quality thin-layer devices.

scholarly journals Seeded growth of high-quality transition metal dichalcogenide single crystals via chemical vapor transport

CrystEngComm ◽  
2020 ◽  
Vol 22 (46) ◽  
pp. 8017-8022
Author(s):  
Hao Li ◽  
Junku Liu ◽  
Nan Guo ◽  
Lin Xiao ◽  
Haoxiong Zhang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Single Crystals ◽  
Chemical Vapor ◽  
Vapor Transport ◽  
Chemical Vapor Transport ◽  
Transition Metal Dichalcogenide ◽  
Seeded Growth ◽  
High Quality ◽  
Short Period

Seeded chemical vapor transport growth gives high-quality and millimeter-sized transition metal dichalcogenide single crystals in a short period.

Fe3O4nanoparticles prepared by the seeded-growth route for hyperthermia: electron magnetic resonance as a key tool to evaluate size distribution in magnetic nanoparticles

Nanoscale ◽  
2014 ◽  
Vol 6 (13) ◽  
pp. 7542-7552 ◽  
Author(s):  
Idoia Castellanos-Rubio ◽  
Maite Insausti ◽  
Eneko Garaio ◽  
Izaskun Gil de Muro ◽  
Fernando Plazaola ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Magnetic Resonance ◽  
Size Distribution ◽  
Electron Magnetic Resonance ◽  
Seeded Growth ◽  
High Quality ◽  
Power Absorption ◽  
Size Dependent ◽  
Emr Spectroscopy

High quality seeded grown Fe3O4nanoparticles show strong size dependent magnetic power absorption that can be predicted by EMR spectroscopy.

scholarly journals Disconnecting Symmetry Breaking from Seeded Growth for the Reproducible Synthesis of High Quality Gold Nanorods

ACS Nano ◽  
2019 ◽  
Vol 13 (4) ◽  
pp. 4424-4435 ◽  
Author(s):  
Guillermo González-Rubio ◽  
Vished Kumar ◽  
Pablo Llombart ◽  
Pablo Díaz-Núñez ◽  
Eva Bladt ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Gold Nanorods ◽  
Seeded Growth ◽  
High Quality
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