3D Nanoprinting via laser-assisted electron beam induced deposition: growth kinetics, enhanced purity, and electrical resistivity

Beilstein Journal of Nanotechnology

Xiahan Sang¹  Raymond R. Unocic¹  Harald Plank²  Robert Winkler²  Pushpa R. Pudasaini³  Jason D. Fowlkes³  Michael G. Stanford³  Brett B. Lewis³  Philip D. Rack³ 

[1] Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37381, USA;Graz Centre for Electron Microscopy, Steyrergasse 17, 8010 Graz, Austria;Materials Science and Engineering Department, University of Tennessee, Knoxville, TN 37996, USA;

关键词: additive manufacturing;    beam induced processing;    3D printing;    direct-write;    electron beam induced deposition;    microscopy;    nanofabrication;    pulsed laser;    purification;    rapid prototyping;   

DOI  :  10.3762/bjnano.8.83

来源: DOAJ

【 摘 要 】

We investigate the growth, purity, grain structure/morphology, and electrical resistivity of 3D platinum nanowires synthesized via electron beam induced deposition with and without an in situ pulsed laser assist process which photothermally couples to the growing Pt–C deposits. Notably, we demonstrate: 1) higher platinum concentration and a coalescence of the otherwise Pt–C nanogranular material, 2) a slight enhancement in the deposit resolution and 3) a 100-fold improvement in the conductivity of suspended nanowires grown with the in situ photothermal assist process, while retaining a high degree of shape fidelity.

【 授权许可】

Unknown