Journal ArticleDOI
Synthesis of CdSe/CdTe nanobarbells.
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TLDR
This synthesis produces a nanocrystal displaying "type-II" behavior with a morphology that is particularly well suited for internal exciton separation and carrier transport.Abstract:
Synthesis of monodisperse samples of CdSe nanorods with CdTe tips is achieved using the mechanism of rod nucleated growth to form CdSe/CdTe nanobarbells. This synthesis produces a nanocrystal displaying “type-II” behavior with a morphology that is particularly well suited for internal exciton separation and carrier transport.read more
Citations
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Quantum Dot Solar Cells. Semiconductor Nanocrystals as Light Harvesters
TL;DR: In this paper, three major ways to utilize semiconductor dots in solar cell include (i) metal−semiconductor or Schottky junction photovoltaic cell, (ii) polymer−smiconductor hybrid solar cell, and (iii) quantum dot sensitized solar cell.
Journal ArticleDOI
Meeting the Clean Energy Demand: Nanostructure Architectures for Solar Energy Conversion
TL;DR: In this article, three major ways to utilize nanostructures for the design of solar energy conversion devices are discussed: (i) mimicking photosynthesis with donor−acceptor molecular assemblies or clusters, (ii) semiconductor assisted photocatalysis to produce fuels such as hydrogen, and (iii) nanostructure semiconductor based solar cells.
Journal ArticleDOI
Quantum Dot Solar Cells. Tuning Photoresponse through Size and Shape Control of CdSe−TiO2 Architecture
TL;DR: Two major findings are highlighted: ability to tune the photoelectrochemical response and photoconversion efficiency via size control of CdSe quantum dots and improvement in the photoconversions efficiency by facilitating the charge transport through TiO2 nanotube architecture.
Journal ArticleDOI
The role of interparticle and external forces in nanoparticle assembly
TL;DR: Why and how a combination of self- and directed-assembly processes, involving interparticle and externally applied forces, can be applied to produce desired nanostructured materials are discussed.
References
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Journal ArticleDOI
Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites
TL;DR: In this paper, a simple route to the production of high-quality CdE (E=S, Se, Te) semiconductor nanocrystallites is presented, based on pyrolysis of organometallic reagents by injection into a hot coordinating solvent.
Journal ArticleDOI
Colloidal nanocrystal heterostructures with linear and branched topology
Delia J. Milliron,Steven M. Hughes,Yi Cui,Liberato Manna,Jingbo Li,Lin-Wang Wang,A. Paul Alivisatos +6 more
TL;DR: A general approach for fabricating inorganically coupled colloidal quantum dots and rods, connected epitaxially at branched and linear junctions within single nanocrystal heterostructures, which allows investigation of potential applications ranging from quantum information processing to artificial photosynthesis.
Journal ArticleDOI
Selective Growth of Metal Tips onto Semiconductor Quantum Rods and Tetrapods
TL;DR: This work shows the anisotropic selective growth of gold tips onto semiconductor (cadmium selenide) nanorods and tetrapods and shows modified optical properties caused by the strong coupling between the gold and semiconductor parts.
Journal ArticleDOI
Export of dissolved organic carbon from peatlands under elevated carbon dioxide levels
Chris Freeman,Nathalie Fenner,Nick Ostle,Hojeong Kang,Hojeong Kang,David J. Dowrick,Brian Reynolds,Maurice A. Lock,Darren Sleep,S. Hughes,J. Hudson +10 more
TL;DR: It is inferred that a previously unrecognized mechanism—carbon dioxide mediated stimulation of primary productivity—is responsible for the trend in dissolved organic carbon concentrations under elevated carbon dioxide levels.
Journal ArticleDOI
Photoconductivity in CdSe quantum dot solids
C. A. Leatherdale,Cherie R. Kagan,N. Y. Morgan,S. A. Empedocles,Marc Kastner,Moungi G. Bawendi +5 more
TL;DR: In this article, the photoconductivity and electric field induced photoluminescence quenching in three-dimensional close-packed solids of colloidal CdSe quantum dots was investigated.
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