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Printed electronics is considered a promising technology for low-cost electronics due to its low cost per unit area, typically offered at the expense of degraded performance. Using a combination of synthetic nanoparticles, organic semiconductors, and novel printing techniques, we demonstrate a range of printed electronic devices including transistors, passive components, and a range of chemical sensors...
The lack of self-alignment between the gate and the source/drain electrodes is significant problem for printed transistors, since alignment is typically limited by the layer-to-layer registration capabilities of the printer. This in turn necessitates the use of design rules specifying large gate-to-source/drain overlaps, resulting in degraded switching speed due to the large overall capacitance [1]...
There has been significant interest in the applications of printed electronics in the realization of fully-printed RFID tags and embedded sensors. Printing of active circuitry is expected to enable a dramatic reduction in the overall cost of these systems, allowing for integration of electronic barcodes and product quality detection systems into consumer goods. In this talk, I will review our work...
The field of organic semiconductor based electronics has seen significant and unprecedented progress in the past decade. Low-cost, less energy-intensive and high-throughput production, implementation on flexible and non-planar surfaces, novel applications, as well as the potential to move to more environmentally friendly electronics makes this technology particularly attractive. A wide range of applications...
We demonstrate a stacked antifuse-based field-programmable memory utilizing organic materials on plastic to enable applications such as the encoding of low-cost RFID tags. We demonstrate 2 stacked levels with 100 bits/level, delivering excellent read margins and disturb immunity. These devices show high-speed programming capability (25ns) and ultra-low programming energy requirements of <1nW/bit...
Printed electronics provides a promising potential pathway toward the realization of ultralow-cost RFID tags for item-level tracking of consumer goods. Here, we report on our progress in developing materials, processes, and devices for the realization of ultralow-cost printed RFID tags. Using printed nanoparticle patterns that are subsequently sintered at plastic-compatible temperatures, low-resistance...
We demonstrate printed organic transistors with sub-10V VDD . Using inkjetted nanoparticle conductors, a polymer dielectric, and a pentacene precursor semiconductor, we demonstrate devices on plastic with mobilities >0.05cm2/V-s and on-off ratios >105. Thus, for the first time, we demonstrate devices with operating specifications approaching those required for low-cost electronic systems
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