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Structural properties of ${Alq}_{3}$ nanocrystals prepared by physical vapor deposition and facile solution method

Wanfeng Xie

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Zhiyong Pang

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

E-mail Address: pang@sdu.edu.cn

Corresponding author.

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Jihui Fan

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Hui Song

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Feng Jiang

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Huimin Yuan

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Jianfei Li

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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Ziwu Ji

School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China

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, and

Shenghao Han

School of Space Science and Physics, Shandong University, Weihai 264209, P. R. China

E-mail Address: hansh@sdu.edu.cn

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https://doi.org/10.1142/S0217979215420424Cited by:5 (Source: Crossref)

Abstract

Tris(8-hydroxyquinoline) aluminum $({Alq}_{3})$ nanostructures are promising materials for nanooptoelectronic devices and molecular spintronics. In this paper, we report ${Alq}_{3}$ nanocrystals prepared by both physical vapor deposition (PVD) and facile solution method. The transmission electron microscopy (TEM) and high resolution scanning electron microscope (SEM) measurements show that the ${Alq}_{3}$ nanomaterials prepared by PVD technique are $ε$ - ${Alq}_{3}$ nanoflowers, while the ${Alq}_{3}$ nanostructures prepared by solution method are $α$ - ${Alq}_{3}$ nanorods. Our experiments indicate that the $α$ - ${Alq}_{3}$ nanomaterials prepared by using solution method are more suitable for the fabrication of molecular spintronic devices than that of PVD method.

Keywords:

PACS: 61.46.Hk, 78.67.-n, 81.07.Bc, 81.16.Be

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