Self-assembly of silicon nanowires studied by advanced transmission electron microscopy

Marta Agati, Guillaume Amiard, Vincent Le Borgne, Paola Castrucci, Richard Dolbec, Maurizio De Crescenzi, My Alì El Khakani and Simona Boninelli

Beilstein J. Nanotechnol. 2017, 8, 440–445. https://doi.org/10.3762/bjnano.8.47

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Supporting Information File 1: A video showing the 3D reconstructed volume of a SiNS and VLS-grown SiNWs with an Fe nanoparticle on top. The image presented in Figure 3 was extracted from this video.
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Self-assembly of silicon nanowires studied by advanced transmission electron microscopy

Marta Agati, Guillaume Amiard, Vincent Le Borgne, Paola Castrucci, Richard Dolbec, Maurizio De Crescenzi, My Alì El Khakani and Simona Boninelli

Beilstein J. Nanotechnol. 2017, 8, 440–445. https://doi.org/10.3762/bjnano.8.47

How to Cite

Agati, M.; Amiard, G.; Borgne, V. L.; Castrucci, P.; Dolbec, R.; De Crescenzi, M.; El Khakani, M. A.; Boninelli, S. Beilstein J. Nanotechnol. 2017, 8, 440–445. doi:10.3762/bjnano.8.47

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TY  - JOUR
A1  - Agati, Marta
A1  - Amiard, Guillaume
A1  - Borgne, Vincent Le
A1  - Castrucci, Paola
A1  - Dolbec, Richard
A1  - De Crescenzi, Maurizio
A1  - El Khakani, My Alì
A1  - Boninelli, Simona
T1  - Self-assembly of silicon nanowires studied by advanced transmission electron microscopy
JF  - Beilstein Journal of Nanotechnology
PY  - 2017///
VL  - 8
SP  - 440
EP  - 445
SN  - 2190-4286
DO  - 10.3762/bjnano.8.47
PB  - Beilstein-Institut
JA  - Beilstein J. Nanotechnol.
UR  - https://doi.org/10.3762/bjnano.8.47
KW  - silicon nanowires
KW  - transmission electron microscopy
KW  - vapor–liquid–solid growth
N2  - Scanning transmission electron microscopy (STEM) was successfully applied to the analysis of silicon nanowires (SiNWs) that were self-assembled during an inductively coupled plasma (ICP) process. The ICP-synthesized SiNWs were found to present a Si–SiO2 core–shell structure and length varying from ≈100 nm to 2–3 μm. The shorter SiNWs (maximum length ≈300 nm) were generally found to possess a nanoparticle at their tip. STEM energy dispersive X-ray (EDX) spectroscopy combined with electron tomography performed on these nanostructures revealed that they contain iron, clearly demonstrating that the short ICP-synthesized SiNWs grew via an iron-catalyzed vapor–liquid–solid (VLS) mechanism within the plasma reactor. Both the STEM tomography and STEM-EDX analysis contributed to gain further insight into the self-assembly process. In the long-term, this approach might be used to optimize the synthesis of VLS-grown SiNWs via ICP as a competitive technique to the well-established bottom-up approaches used for the production of thin SiNWs.
ER  -

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Scholarly Works

Agati, M.; Boninelli, S.; Hamdan, A. Atomic scale microscopy unveils the growth mechanism of 2D-like CuO nanoparticle agglomerates produced via electrical discharges in water. Materials Chemistry and Physics 2021, 261, 124244. doi:10.1016/j.matchemphys.2021.124244
Agati, M.; Castrucci, P.; Dolbec, R.; Khakani, M. A. E.; Boninelli, S. Formation of Hybrid Silicon Nanostructures via Capillary Instability Triggered in Inductively-Coupled-Plasma Torch Synthesized Ultra-Thin Silicon Nanowires. physica status solidi (b) 2019, 256, 1800620. doi:10.1002/pssb.201800620
Agati, M.; Boninelli, S.; Castrucci, P.; Amiard, G.; Pandiyan, R.; Kolhatkar, G.; Dolbec, R.; Ruediger, A.; Khakani, M. A. E. Formation of silicon nanocrystal chains induced via Rayleigh instability in ultrathin Si/SiO2 core/shell nanowires synthesized by an inductively coupled plasma torch process. Journal of Physics: Materials 2018, 2, 015001. doi:10.1088/2515-7639/aae301

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