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首页> 外文期刊>Journal of Imaging Science and Technology >Atomic Force Microscopy Observation of Cyanine Dye J-Aggregates on AgBr Microcrystals Grown in Gelatin
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Atomic Force Microscopy Observation of Cyanine Dye J-Aggregates on AgBr Microcrystals Grown in Gelatin

机译：明胶中生长的AgBr微晶上花菁染料J-聚集体的原子力显微镜观察。

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摘要

The morphology of thiacarbocyanine and oxacarbocyanine dye J-aggregates adsorbed on (001) surfaces of AgBr microcrystals grown in gelatin was observed by atomic force microscopy. No residue of fibrous gelatin was found on the specimen. The cya-nine dyes grew in islands or stripes by means of the Volmer-Weber growth mode, rather than by monolayer adsorption. The thickness of stripes varied from 0.5 nm (monolayer) to 30 nm, and the stripes were constructed of many rectangles [20 x (35-50) nm]. The rectangles were regarded as elementary crystallites or J-aggregate particles photoelectrically separated from one another.
机译：通过原子力显微镜观察了在明胶中生长的AgBr微晶的（001）表面上吸附的硫代卡巴菁菁和氧代卡巴菁菁染料J-聚集体的形态。在样品上未发现纤维明胶的残留物。氰基染料通过Volmer-Weber生长模式而不是通过单层吸附在岛状或条纹状中生长。条的厚度从0.5nm（单层）到30nm变化，并且条由许多矩形[20×（35-50）nm]构成。矩形被视为彼此光电隔离的基本微晶或J聚集粒子。

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