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Program Highlights

Understanding Interfacial Growth in Vertically Aligned P–N Heterojunctions for Photovoltaic Applications

The objective of this effort is to design and develop well defined p-n heterostructures that allow the investigation of their optoelectronic properties due to interfacial interactions.

(2018)

Synchronized Terahertz Plasmons in Ultra-Thin Membrane GaN HEMT Arrays

Promising a myriad of transformative applications in various fields such as communications, security, chemical & biological sensing, and astronomy, terahertz (THz) technology is a very promising technological field. In order to realize efficient THz systems, development of active devices, such as detectors and emitters is required.

(2018)

Plasmonic Optical and Chiral Optical Responses of Self-Assembled Gold Nanorod Equilateral Trimers

Research

The groups of Kagan, Murray, and Engheta in IRG3 teamed up to (a) synthesize gold (Au) nanorods (length of ~110 nm, diameter of ~22 nm) and direct their assembly in lithographically-defined templates to form nanorod equilateral trimers.

(2018)

Structural Chemo-Mechanics of Fibrous Networks / Broader Impacts

Education, Research

As part of our commitment to outreach, two students working with David Chenoweth in this IRG  (Alexander Kasznal and Samuel Melton) are involved in Spark mentoring programs. Spark Students are paired with a mentor based on mutual interests. Students visit their mentor’s workplace once a week for 10-13 weeks.

(2018)

Mechanisms of Mechanical Plasticity in Collagen Networks from Contractile Forces

Research

A collaboration (Wells, Shenoy) in IRG 2 studied the mechanisms of mechanical plasticity in collagen networks resulting from contractile forces produced by cellular aggregates placed within them.

(2018)

Field Trip Series

Education

Starting in 2017, the LRSM and Singh Center for Nanotechnology hosted monthly field trips for Philadelphia middle and high school students.

(2018)

Large-area synthesis of monolayer 1T'-WTe2 flakes

Research

Large-area growth of monolayer films of transition metal dichalcogenides is important in the rapidly advancing research field of topological materials, because scientists believe tungsten ditelluride has so-called “topological” electronic states.

(2018)

High-strength magnetically switchable plasmonic nanorods

Research

Next-generation 'smart' nanoparticle systems should be precisely engineered in size, shape and composition to introduce multiple functionalities, unattainable from a single material.

(2018)

Birefringent Stable Glasses with Predominantly Isotropic Molecular Orientation

Research

Stable glasses produced by physical vapor deposition are important to understand. They exhibit optical birefringence, which traditionally implies that the constituent molecules are aligned.

(2018)

Janus dendrimersomes as models for cell fusion and fission.

Research

Vesicle fusion and fission processes often occur in biological systems, usually with the aid of specialized proteins. Percec, Klein, Hammer, and Baumgart carried out comprehensive fusion/fission experiments based on three membrane ingredients: hydrogenated (RH), fluorinated (RF), and hybrid-hydrogenated/fluorinated (RHF) Janus dendrimers (Figure – Top Left).

(2018)

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