Nanotruss Projects Lauren Montemayor, Lucas Meza, Victoria Chernow, Wendy Gu Design and fabrication of nanoscale truss structures for advanced energy applications

Fracture/Composites Polymer Metal Composites: 1)Strength of Polymer/Metal Bond 2)Fracture Toughness 3)Dynamic Properties Damping Effects Wave Propagation Fracture Toughness: 1)Lattice Structure (Stretching vs. Bending) 2)Unit Cell Dimensions 3)Metal microstructure Lauren -

Heat Transfer/Thermoelectrics SURF Tasks: – Fabrication of nanotruss structures using DLW TPL – Measurement of thermal properties of structures – Investigation into potential thermoelectric materials 3D Kagome Lattice Multilayered Truss Unit Cell Lucas -

Solar Cells Silver Thin Film Deposition Electroless plating or ALD Nanotruss Fabrication Malureanu, R. et al. J. Electrochem. Soc. 157, 12 (2010) Electrodynamic calculations Incorporation into PV device Geometry optimization Nanotruss Antireflective Coating N-type Semiconductor P-N Junction P-type Semiconductor Victoria -

Si Truss Electrode for Li + Batteries Lithiation of Si  400% volume change  mechanical stress Goal: create a zero net volume expansion electrode based on truss geometry Lithiation Li + battery Si Li + Kasavajjula et al. (2007) Wendy -