Woonbong Hwang

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Nanogenerators (NG) have been developed to harvest mechanical energy from environmental sources such as vibration, human motion, or movement of automobiles. We demonstrate a robust and large-area NG based on a cost-effective Al substrate with the capability to be easily integrated in series and parallel for high-output performance. The output voltage and(More)
The enhancement of bendability of flexible nanoelectronics is critically important to realize future portable and wearable nanoelectronics for personal and military purposes. Because there is an enormous variety of materials and structures that are used for flexible nanoelectronic devices, a governing design rule for optimizing the bendability of these(More)
The successful use of a Design of Experiments (DOE) and Response Surface Methods (RSM) approaches in a simultaneous electrical and mechanical optimization study for a load-bearing antenna structure is presented. The benchmarking geometry is a stacked patch antenna integrated in a sandwich structure made of composite laminates and Nomex honeycomb. The(More)
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