TY - JOUR
T1 - On the structure of bimetallic noble metal nanoparticles as revealed by aberration corrected scanning transmission electron microscopy (STEM)
AU - Mayoral, Alvaro
AU - Deepak, Francis Leonard
AU - Esparza, Rodrigo
AU - Casillas, Gilberto
AU - Magen, Cesar
AU - Perez-Tijerina, Eduardo
AU - Jose-Yacaman, Miguel
N1 - Funding Information:
The authors would like to acknowledge THE WELCH FOUNDATION AGENCY PROJECT # AX-1615. “Controlling the Shape and Particles Using Wet Chemistry Methods and Its Application to Synthesis of Hollow Bimetallic Nanostructures”. The authors would also like to acknowledge the NSF PREM Grant # DMR 0934218 , Title: Oxide and metal nanoparticles – the interface between life sciences and physical sciences. The authors would also like to acknowledge RCMI Center for Interdisciplinary Health Research CIHR. “The project described was supported by Award Number 2G12RR013646-11 from the National Center for Research Resources . The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Research Resources of the National Institutes of Health.”
PY - 2012/3
Y1 - 2012/3
N2 - In the present manuscript we present the feasibility of two different routes to obtain metal nanoparticles: (1) inert gas deposition technique (IGC) and (2) chemical routes. These two routes can enable the production of metal nanoparticles with a well-controlled size and shape distribution. In addition, Co/Au and Pd/Au nanoparticles have been deposited on three different grids with the aim of studying the coalescence of the different metals. The as-synthesized materials, that initially were forming isolated, core-shell, were sintered by thermal treatment (Co/Au) or by strong electron beam irradiation and the subsequent characterization was carried out in situ in an aberration corrected STEM.
AB - In the present manuscript we present the feasibility of two different routes to obtain metal nanoparticles: (1) inert gas deposition technique (IGC) and (2) chemical routes. These two routes can enable the production of metal nanoparticles with a well-controlled size and shape distribution. In addition, Co/Au and Pd/Au nanoparticles have been deposited on three different grids with the aim of studying the coalescence of the different metals. The as-synthesized materials, that initially were forming isolated, core-shell, were sintered by thermal treatment (Co/Au) or by strong electron beam irradiation and the subsequent characterization was carried out in situ in an aberration corrected STEM.
KW - Aberration corrected
KW - Electron microscopy
KW - Nanoparticles
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U2 - 10.1016/j.micron.2011.10.020
DO - 10.1016/j.micron.2011.10.020
M3 - Article
AN - SCOPUS:84857361803
SN - 0968-4328
VL - 43
SP - 557
EP - 564
JO - Micron
JF - Micron
IS - 4
ER -