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Polymer-Assisted Synthesis of Colloidal Germanium Telluride Nano-Octahedra, Nanospheres, and Nanosheets

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Department of Chemistry and Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
Cite this: Chem. Mater. 2013, 25, 10, 2163–2171
Publication Date (Web):April 17, 2013
https://doi.org/10.1021/cm4009656
Copyright © 2013 American Chemical Society
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Abstract

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Germanium telluride (GeTe) nanostructures are a demonstrated platform for studying the effects of scaling on reversible, amorphous-to-crystalline phase transitions that are important for data storage and computing applications, and for understanding ferroelectric behavior at the nanometer scale. Despite the interest in GeTe, and the apparent advantages of solution-phase processing, there is a dearth of information related to the synthesis of high-quality, morphology-controlled, colloidal GeTe. This paper describes the preparation of colloidal GeTe nanostructures in the presence of surface-stabilizing polymers, which mediate particle–particle interactions and prevent aggregation of GeTe crystallites more effectively than conventional molecular stabilizers. As a result, several novel GeTe nanostructures are formed, including faceted octahedral nanoparticles, amorphous GexTe1–x alloy nanospheres and single-crystal two-dimensional (2D) GeTe nanosheets. The colloidal stability conferred by the polymer may provide the key experimental degree of freedom necessary to achieve higher-order morphology control for GeTe and related materials.

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Additional TEM, XRD, and AFM data. This material is available free of charge via the Internet at http://pubs.acs.org.

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This article is cited by 19 publications.

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  2. Ann-Katrin U. Michel, Marilyne Sousa, Maksym Yarema, Olesya Yarema, Vladimir Ovuka, Nolan Lassaline, Vanessa Wood, David J. Norris. Optical Properties of Amorphous and Crystalline GeTe Nanoparticle Thin Films: A Phase-Change Material for Tunable Photonics. ACS Applied Nano Materials 2020, 3 (5) , 4314-4320. https://doi.org/10.1021/acsanm.0c00463
  3. Yaqing Wei, Liang Huang, Jiajun Chen, Yanpeng Guo, Siqi Wang, Huiqiao Li, Tianyou Zhai. Level the Conversion/Alloying Voltage Gap by Grafting the Endogenetic Sb2Te3 Building Block into Layered GeTe to Build Ge2Sb2Te5 for Li-Ion Batteries. ACS Applied Materials & Interfaces 2019, 11 (44) , 41374-41382. https://doi.org/10.1021/acsami.9b14293
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  10. Dingbo Zhang, Zhongpo Zhou, Haiying Wang, Zongxian Yang, Chang Liu. Tunable Electric Properties of Bilayer α-GeTe with Different Interlayer Distances and External Electric Fields. Nanoscale Research Letters 2018, 13 (1) https://doi.org/10.1186/s11671-018-2813-x
  11. Carsten Glock, Sven Krieck, Matthias Westerhausen, Catherine M. Lavin, Miriam M. Gillett-Kunnath, Karin Ruhlandt, Michael S. Hill, Mathew D. Anker, Andrew S. S. Wilson, Catherine Weetman, Polly L. Arnold, Alex J. Veinot, Darcie L. Stack, Jason A. C. Clyburne, Jason D. Masuda, Diane A. Dickie, Ujwal Chadha, Richard A. Kemp. CALCIUM, STRONTIUM, GERMANIUM, TIN, AND LEAD BIS(TRIMETHYLSILYL)AMIDO DERIVATIVES AND 2,2,6,6-TETRAMETHYLPIPERIDIDO AND N -ISOPROPYLPHENYLAMIDO DERVATIVES OF POTASSIUM AND CALCIUM. 2018,,, 15-31. https://doi.org/10.1002/9781119477822.ch2
  12. Panpan Zhang, Fulai Zhao, Peng Long, Yu Wang, Yuchen Yue, Xuanyu Liu, Yiyu Feng, Rongjin Li, Wenping Hu, Yu Li, Wei Feng. Sonication-assisted liquid-phase exfoliated α-GeTe: a two-dimensional material with high Fe 3+ sensitivity. Nanoscale 2018, 10 (34) , 15989-15997. https://doi.org/10.1039/C8NR03091J
  13. Monika Rusek, Georg Bendt, Christoph Wölper, Dieter Bläser, Stephan Schulz. Intramolecularly-stabilized Group 14 Alkoxides - Promising Precursors for the Synthesis of Group 14-Chalcogenides by Hot-Injection Method. Zeitschrift für anorganische und allgemeine Chemie 2017, 643 (11) , 676-682. https://doi.org/10.1002/zaac.201700029
  14. Gajendra Gupta, Taek-Mo Jeong, Chang Gyun Kim, Jinkwon Kim. Syntheses of pure GeTe crystals from single source precursors (R2GeTe)3 (R=Et, Bu). Materials Letters 2015, 156 , 121-124. https://doi.org/10.1016/j.matlet.2015.05.003
  15. Qifan Wang, Shi-Zhao Kang, Xiangqing Li, Ying-Wei Yang, Lixia Qin, Jin Mu. A facile preparation of crystalline GeS2 nanoplates and their photocatalytic activity. Journal of Alloys and Compounds 2015, 631 , 21-25. https://doi.org/10.1016/j.jallcom.2014.12.259
  16. Jing Zeng, Lifeng Yan. Metal-free transparent luminescent cellulose films. Cellulose 2015, 22 (1) , 729-736. https://doi.org/10.1007/s10570-014-0485-y
  17. Huili Cao, Xinzhen Wang, Hongbo Gu, Jiurong Liu, Liqiang Luan, Wei Liu, Yiran Wang, Zhanhu Guo. Carbon coated manganese monoxide octahedron negative-electrode for lithium-ion batteries with enhanced performance. RSC Advances 2015, 5 (44) , 34566-34571. https://doi.org/10.1039/C5RA00830A
  18. Volker L. Deringer, Richard Dronskowski. Ab initio study of molecular and atomic oxygen on GeTe(111) surfaces. Journal of Applied Physics 2014, 116 (17) , 173703. https://doi.org/10.1063/1.4901002
  19. Salvino Ciccariello. The chord-length probability density of the regular octahedron. Journal of Applied Crystallography 2014, 47 (4) , 1216-1227. https://doi.org/10.1107/S1600576714011121

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