Results 301 to 310 of about 158,069 (332)
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Angewandte Chemie International Edition, 2004
Thiswork was supported by the Camille and Henry Dreyfus Foundation, Beckman Foundation, the National Science Foundation (CAREER) and Department of Energy. P.Y. isan Alfred P. Sloan Research Fellow.Work at the Lawrence Berkeley National Laboratory was supported by the Office of Science, Basic Energy Sciences, Division of Materials Science of the U ...
Kim, F +4 more
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Thiswork was supported by the Camille and Henry Dreyfus Foundation, Beckman Foundation, the National Science Foundation (CAREER) and Department of Energy. P.Y. isan Alfred P. Sloan Research Fellow.Work at the Lawrence Berkeley National Laboratory was supported by the Office of Science, Basic Energy Sciences, Division of Materials Science of the U ...
Kim, F +4 more
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Advanced Drug Delivery Reviews, 2019
Nanocrystals show promise to deliver poorly water-soluble drugs to yield systemic exposure. However, our knowledge regarding the in vivo fate of nanocrystals is in its infancy, as nanocrystallization is simply viewed as an approach to enhance the dissolution of drug crystals.
Yi, Lu, Yongjiu, Lv, Tonglei, Li
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Nanocrystals show promise to deliver poorly water-soluble drugs to yield systemic exposure. However, our knowledge regarding the in vivo fate of nanocrystals is in its infancy, as nanocrystallization is simply viewed as an approach to enhance the dissolution of drug crystals.
Yi, Lu, Yongjiu, Lv, Tonglei, Li
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Annual Review of Chemical and Biomolecular Engineering, 2012
Semiconductor nanocrystals are promising materials for low-cost large-area electronic device fabrication. They can be synthesized with a wide variety of chemical compositions and size-tunable optical and electronic properties as well as dispersed in solvents for room-temperature deposition using various types of printing processes.
Matthew G, Panthani, Brian A, Korgel
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Semiconductor nanocrystals are promising materials for low-cost large-area electronic device fabrication. They can be synthesized with a wide variety of chemical compositions and size-tunable optical and electronic properties as well as dispersed in solvents for room-temperature deposition using various types of printing processes.
Matthew G, Panthani, Brian A, Korgel
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Nano Letters, 2005
We have constructed and operated a nanoscale linear motor powered by a single metal nanocrystal ram sandwiched between mechanical lever arms. Low-level electrical voltages applied to the carbon nanotube lever arms cause the nanocrystal to grow or shrink in a controlled manner.
B C, Regan +4 more
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We have constructed and operated a nanoscale linear motor powered by a single metal nanocrystal ram sandwiched between mechanical lever arms. Low-level electrical voltages applied to the carbon nanotube lever arms cause the nanocrystal to grow or shrink in a controlled manner.
B C, Regan +4 more
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Doping semiconductor nanocrystals
Nature, 2005Doping--the intentional introduction of impurities into a material--is fundamental to controlling the properties of bulk semiconductors. This has stimulated similar efforts to dope semiconductor nanocrystals. Despite some successes, many of these efforts have failed, for reasons that remain unclear. For example, Mn can be incorporated into nanocrystals
Steven C, Erwin +5 more
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Journal of the American Chemical Society, 2013
A diffusion-based synthesis of doped colloidal semiconductor nanocrystals is demonstrated. This approach involves thermodynamically controlled addition of both impurity cations and host anions to preformed seed nanocrystals under equilibrium conditions, rather than kinetically controlled doping during growth. This chemistry allows thermodynamic crystal
Vladimir A, Vlaskin +3 more
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A diffusion-based synthesis of doped colloidal semiconductor nanocrystals is demonstrated. This approach involves thermodynamically controlled addition of both impurity cations and host anions to preformed seed nanocrystals under equilibrium conditions, rather than kinetically controlled doping during growth. This chemistry allows thermodynamic crystal
Vladimir A, Vlaskin +3 more
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Colloidal Nanocrystal Frameworks
Advanced Materials, 2015Colloidal nanocrystal frameworks (CNFs) are a modular class of mesostructured porous materials, which are assembled from pre‐formed nanocrystal building units using suitably designed block copolymer architecture‐directing agents. The functional attributes of these frameworks are determined both by the physiochemical characteristics of the nanocrystal ...
Brett A, Helms +3 more
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Journal of the Optical Society of America A, 2013
X-ray femtosecond nanocrystallography is a new, potentially powerful technique for imaging biological macromolecules that uses ensemble-averaged measurements of diffraction of x-ray free-electron laser pulses from nanocrytalline specimens. Nanocrystals have some diffraction characteristics that are distinct from those of macroscopic crystals, due to ...
Joe P J, Chen, Rick P, Millane
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X-ray femtosecond nanocrystallography is a new, potentially powerful technique for imaging biological macromolecules that uses ensemble-averaged measurements of diffraction of x-ray free-electron laser pulses from nanocrytalline specimens. Nanocrystals have some diffraction characteristics that are distinct from those of macroscopic crystals, due to ...
Joe P J, Chen, Rick P, Millane
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Journal of the American Chemical Society, 2012
We report the colloidal synthesis of monodisperse nanocrystals (NCs) of InSb, which is an important member of III-V semiconductor family. Colloidal InSb NC quantum dots showed well-resolved excitonic transitions in the near-infrared spectral range, with the optical band gaps tunable from ∼1.03 eV (1200 nm) to ∼0.71 eV (1750 nm) corresponding to 3.3 and
Wenyong, Liu +3 more
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We report the colloidal synthesis of monodisperse nanocrystals (NCs) of InSb, which is an important member of III-V semiconductor family. Colloidal InSb NC quantum dots showed well-resolved excitonic transitions in the near-infrared spectral range, with the optical band gaps tunable from ∼1.03 eV (1200 nm) to ∼0.71 eV (1750 nm) corresponding to 3.3 and
Wenyong, Liu +3 more
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Multishell semiconductor nanocrystals
Zeitschrift für Physikalische Chemie, 2006In this review article we summarize the progress in research on multishell semiconductor nanocrystals. Three branches are covered: Core–shell–shell (CSS) nanocrystals with a lattice adapting layer which show extraordinarily high emission quantum yields and high photostability, quantum dot quantum well nanocrystals which allow to study interactions ...
Dirk Dorfs, Alexander Eychmüller
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