Polymer/CNTs Composites for Electronic Packaging

Bara, Adela; Bondar, A.M.; Svasta, Paul

doi:10.1109/estc.2006.280021

Cited by 5 publications

(1 citation statement)

References 2 publications

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“…Polymer nanocomposites consisting of nanofillers dispersed in a polymer matrix have emerged as attractive multifunctional materials due to their ability to combine multiple properties such as flexibility, electrical and thermal conductivity, thermo- and photoelectricity, transparency, supercapacitance, and superhydrophobicity in one material. − Nanofillers such as CNTs, − graphene, − alumina nanoparticles, − silica nanoparticles, − silver nanowires − and zinc oxide nanoparticles − are commonly used in these nanocomposites to tune in the electrical, mechanical, and optical properties. Controlling the physical properties of these multifunctional nanocomposite materials in scaled up manufacturing processes is key to ensure their widespread use in commercial applications.…”

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confidence: 99%

Depth-Sensitive Subsurface Imaging of Polymer Nanocomposites Using Second Harmonic Kelvin Probe Force Microscopy

Castañeda-Uribe

Reifenberger²,

Raman³

et al. 2015

ACS Nano

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We study the depth sensitivity and spatial resolution of subsurface imaging of polymer nanocomposites using second harmonic mapping in Kelvin Probe Force Microscopy (KPFM). This method allows the visualization of the clustering and percolation of buried Single Walled Carbon Nanotubes (SWCNTs) via capacitance gradient (∂C/∂z) maps. We develop a multilayered sample where thin layers of neat Polyimide (PI) (∼80 nm per layer) are sequentially spin-coated on well-dispersed SWCNT/Polyimide (PI) nanocomposite films. The multilayer nanocomposite system allows the acquisition of ∂C/∂z images of three-dimensional percolating networks of SWCNTs at different depths in the same region of the sample. We detect CNTs at a depth of ∼430 nm, and notice that the spatial resolution progressively deteriorates with increasing depth of the buried CNTs. Computational trends of ∂C/∂z vs CNT depth correlate the sensitivity and depth resolution with field penetration and spreading, and enable a possible approach to three-dimensional subsurface structure reconstruction. The results open the door to nondestructive, three-dimensional tomography and nanometrology techniques for nanocomposite applications.

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mentioning

confidence: 99%

Depth-Sensitive Subsurface Imaging of Polymer Nanocomposites Using Second Harmonic Kelvin Probe Force Microscopy

Castañeda-Uribe

Reifenberger²,

Raman³

et al. 2015

ACS Nano

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Nanopackaging: Nanotechnologies and Electronics Packaging

Morris¹

2008

Nanopackaging

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