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首页> 外文期刊>Nano letters >Ultrasonic Nebulization for TEM Sample Preparation on Single-Layer Graphene Grids
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Ultrasonic Nebulization for TEM Sample Preparation on Single-Layer Graphene Grids

机译：单层石墨网对TEM样品制备的超声波雾化

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摘要

Spray-coating using ultrasonic nebulization is reported for depositing nanoparticles on a TEM grid without many of the drying artifacts that are often associated with drop casting. Spray-coating is suitable for preparing TEM samples on fragile support materials, such as suspended single-layer graphene, that rupture when samples are prepared by drop casting. Additionally, because ultrasonic nebulization produces uniform droplets, nanoparticles deposited by spray-coating occur on the TEM grid in clusters, whose size is dependent on the concentration of the nanoparticle dispersion, which may allow the concentration of nanoparticle dispersions to be estimated using TEM.
机译：据报道，使用超声雾化的喷涂涂层用于在TEM网格上沉积纳米颗粒，而无需许多通常与下降铸件相关的干燥伪像。 喷涂适用于在脆性支撑材料上制备TEM样品，例如悬浮的单层石墨烯，当样品通过滴浇铸制备时破裂。 另外，由于超声雾化产生均匀液滴，所以通过喷涂沉积的纳米颗粒在簇中的TEM网格上发生，其尺寸取决于纳米颗粒分散体的浓度，这可以允许使用TEM估计纳米颗粒分散体的浓度。

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