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[PDF] Crumpled Graphene-Encapsulated Si …

Submicrometer-sized capsules made of Si nanoparticles wrapped by crumpled graphene shells were made by a rapid, one-step capillary-driven assembly route in aerosol droplets. Aqueous dispersion of micrometer-sized graphene oxide (GO) sheets and Si nanoparticles were nebulized to form aerosol droplets, which were passed through a preheated tube furnace.

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From the Cover: Self-dispersed crumpled graphene …

2016-2-9 · However, crumpled graphene balls remaining in the contact area did not appear flattened or severely deformed (Fig. S2 C–E). The resistance of crumpled graphene ball to compression is attributed to its strain-hardening property due to the multiple folds created within the ball during its formation.

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New "crumpled" graphene really doesn't stack up

A crumpled graphene ball created by Northwestern University researchers inspired by a trash can full of crumpled-up papers. We've written a lot about the potential of using graphene in electronics ...

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Crumpled Graphene–Molybdenum Oxide Composite …

Crumpled graphene–MoO 2 composite powders are directly prepared by means of spray pyrolysis and from a stable graphene oxide colloidal solution in the presence of Mo ions. The crumpled graphene–MoO 2 composite powders are transformed into MoO 3 ‐based composite powders after post‐treatment at 300 °C. The transmission electron microscopy and dot‐mapping images of the post‐treatment ...

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Crumpled Graphene–Molybdenum Oxide Composite …

Crumpled graphene–MoO 2 composite powders are directly prepared by means of spray pyrolysis and from a stable graphene oxide colloidal solution in the presence of Mo ions. The crumpled graphene–MoO 2 composite powders are transformed into MoO 3 ‐based composite powders after post‐treatment at 300 °C. The transmission electron microscopy and dot‐mapping images of the post‐treatment ...

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Crumpled Graphene-Encapsulated Si Nanoparticles …

2019-12-12 · Submicrometer-sized capsules made of Si nanoparticles wrapped by crumpled graphene shells were made by a rapid, one-step capillary-driven assembly route in aerosol droplets. Aqueous dispersion of micrometer-sized graphene oxide (GO) sheets and Si nanoparticles were nebulized to form aerosol droplets, which were passed through a preheated tube furnace. Evaporation-induced capillary …

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Crumpled graphene makes ultra-sensitive cancer DNA …

Crumpled graphene could be used in a wide array of biosensing applications for rapid diagnosis, the researchers said. They published their results in the journal Nature Communications. "This ...

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Crumpled graphene makes ultra-sensitive cancer DNA ...

They tested the crumpled graphene’s ability to sense DNA and a cancer-related microRNA in both a buffer solution and in undiluted human serum, and saw the performance improve tens of thousands of times over flat graphene. “This is the highest sensitivity ever reported for …

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Crumpled Graphene Makes Ultra-sensitive Cancer …

Crumpled graphene could be used in a wide array of biosensing applications for rapid diagnosis, the researchers said. "This sensor can detect ultra-low concentrations of molecules that are markers of disease, which is important for early diagnosis," said study leader Rashid Bashir, a professor of bioengineering and the dean of the Grainger ...

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Crumpled Graphene FET Biosensor for Detecting Early …

However, the sensitivity of the new graphene FET sensor negates the need for this process because its sensitivity is so high. The key feature of the crumpled graphene sheets is that the nanoscale channels, i.e. the free space between the deformed sheet regions, act as so-called ‘electrical hot spots’.

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Crumpled graphene could provide an unconventional …

2020-10-30 · Caption: A diagram of the crumpled-graphene supercapacitor (upper left). The top and bottom layers are the polymer used as a substrate, the two dark layers are the crumpled graphene paper, and the middle layer, shown in white, is the hydrogel, used as an electrolyte.

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Crumpled graphene could provide an unconventional …

The top and bottom layers are the polymer used as a substrate, the two dark layers are the crumpled graphene paper, and the middle layer, shown in white, is the hydrogel, used as an electrolyte.

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Wrinkles and crumples make graphene better | Brown …

2016-3-21 · PROVIDENCE, R.I. [Brown University] — Crumple a piece of paper and it’s probably destined for the trash can, but new research shows that repeatedly crumpling sheets of the nanomaterial graphene can actually enhance some of its properties. In some cases, the more crumpled the better. The research by engineers from Brown University shows that graphene, wrinkled and crumpled in a multi …

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Physics - Crumpled Graphene

Graphene is the strongest known material thanks to its stiff carbon-carbon bonds. But its strength can be compromised by “wrinkles.” New experiments on stretched graphene sheets find that their stiffness (the resistance to stretching) depends on how much the sheets have already been stretched.

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(PDF) Crumpled Graphene: Preparation and Applications

A comprehensive overview and description of crumpled graphene explored in recent years for energy storage applications is presented. Although graphene is known as one of the best electronic ...

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(PDF) Crumpled Graphene: Preparation and Applications

A comprehensive overview and description of crumpled graphene explored in recent years for energy storage applications is presented. Although graphene is known as one of the best electronic ...