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Realignment of Nanocrystal Aggregates into Single Crystals as a Result of Inherent Surface Stress

Die Selbstanordnung von Nanopartikeln ist ein Schlüsselprozess bei der Bildung von Einkristallen durch aggregationsinduziertes Kristallwachstum. Wie R. Tang und Mitarbeiter in ihrer Zuschrift (10.1002/ange.201603794) mittels hochauflösender Transmissionselektronenmikroskopie nachweisen, aggregieren zunächst Nanopartikel regellos auf der Oberfläche eines vorliegenden Einkristalls. Anschließend drängen Oberflächenkräfte die Kristallkorngrenze vom Kristallinneren an die Oberflächenschicht, um die Anordnung der regellos anhaftenden Nanopartikel zu induzieren, die so schließlich in den Einkristall integriert werden.

Authors:   Zhaoming Liu, Haihua Pan, Genxing Zhu, Yaling Li, Jinhui Tao, Biao Jin, Ruikang Tang
Journal:   Angewandte Chemie
Year:   2016
Pages:   n/a
DOI:   10.1002/ange.201606537
Publication date:   28-Jul-2016
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