Constrained Systems: Caught between Dimensions

Overney, René M.; Sills, Scott

doi:10.1021/bk-2001-0781.ch001

Cited by 2 publications

(1 citation statement)

References 26 publications

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“…This implies that QDs in the strong confinement limit have the potential for greatly enhanced optical properties and motivates the study of semiconductor QDs in this limit. Quantum confinement leads to altered emission lifetimes as well as altered luminescence quantum efficiency in quantum dots or rods (Overney and Sills, ). Additionally, quantum‐confined structures exhibit a shifted band edge that allows for the production of varied emission peak wavelengths as dictated by the size of the confinement (i.e.…”

Section: Qd Materialsmentioning

confidence: 99%

Microbial synthesis of chalcogenide semiconductor nanoparticles: a review

Jacob

Lens

Balakrishnan

2015

Microbial Biotechnology

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SummaryChalcogenide semiconductor quantum dots are emerging as promising nanomaterials due to their size tunable optoelectronic properties. The commercial synthesis and their subsequent integration for practical uses have, however, been contorted largely due to the toxicity and cost issues associated with the present chemical synthesis protocols. Accordingly, there is an immediate need to develop alternative environment‐friendly synthesis procedures. Microbial factories hold immense potential to achieve this objective. Over the past few years, bacteria, fungi and yeasts have been experimented with as eco‐friendly and cost‐effective tools for the biosynthesis of semiconductor quantum dots. This review provides a detailed overview about the production of chalcogen‐based semiconductor quantum particles using the inherent microbial machinery.

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Section: Qd Materialsmentioning

confidence: 99%

Microbial synthesis of chalcogenide semiconductor nanoparticles: a review

Jacob

Lens

Balakrishnan

2015

Microbial Biotechnology

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Thermal transition measurements of polymer thin films by modulated nanoindentation

Sills

Fong

Buenviaje

et al. 2005

Journal of Applied Physics

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A modulated nanoindentation technique has been developed for thermal transition analysis of polymer thin films. The procedure was applied to glass transition measurements on poly-t-butylacrylate, with results that compare well with shear modulated force microscopy (SM-FM) and differential scanning calorimetry (DSC). The advantages of the modulated indentation technique are two fold: (i) it provides in-situ experimental access to material properties in nanoscopically confined geometries, and (ii) it incorporates well defined indenter geometries, which provide a means for quantitative thermorheological analysis that is not available with conventional scanning probe microscopy (SPM). The experimental procedure and critical test parameters are detailed.

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Constrained Systems: Caught between Dimensions

Cited by 2 publications

References 26 publications

Microbial synthesis of chalcogenide semiconductor nanoparticles: a review

Microbial synthesis of chalcogenide semiconductor nanoparticles: a review

Thermal transition measurements of polymer thin films by modulated nanoindentation

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