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Subcutaneous Photovoltaic Infrared Energy Harvesting for Bio-implantable Devices
Wireless biomedical implantable devices on the millimeter-scale enable a wide range of applications for human health, safety, and identification, though energy harvesting and power generation areExpand
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26.9 A 0.19×0.17mm2 Wireless Neural Recording IC for Motor Prediction with Near-Infrared-Based Power and Data Telemetry
TLDR
We propose a wireless neural recording probe using a 50mW/mm2 light source $(< 1/6^{th}$ of safety limit for the brain). Expand
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A 10mm3 Light-Dose Sensing IoT2 System With 35-To-339nW 10-To-300klx Light-Dose-To-Digital Converter
TLDR
This paper presents a 10mm3 Internet-of-Tiny-Things (IoT2) system that measures light dose using custom photovoltaic cells and a light-dose-to-digital converter (LDDC). Expand
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Small-Area Si Photovoltaics for Low-Flux Infrared Energy Harvesting
Silicon photovoltaics are prospective candidates to power mm-scale implantable devices. These applications require excellent performance for small-area cells under low-flux illumination condition,Expand
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Energy Harvesting for GaAs Photovoltaics Under Low-Flux Indoor Lighting Conditions
GaAs photovoltaics are promising candidates for indoor energy harvesting to power small-scale ( $\approx 1$ mm2) electronics. This application has stringent requirements on dark current,Expand
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High‐efficiency photovoltaic modules on a chip for millimeter‐scale energy harvesting
540 © 2019 John Wiley & Sons, Ltd. Abstract Photovoltaic modules at the millimeter scale are demonstrated in this work to power wirelessly interconnected millimeter‐scale sensor systems operatingExpand
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Chemical epitaxy and interfacial reactivity in solution deposited PbS on ZnTe
Despite their promise, the efficiency of quantum dot solar cells is currently low (<10%), where an improved understanding of interfaces and contact layers adjacent to the quantum dots is presently aExpand
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Infrared Energy Harvesting in Millimeter-Scale GaAs Photovoltaics
The design and characterization of millimeter-scale GaAs photovoltaic (PV) cells are presented and demonstrate highly efficient energy harvesting in the near infrared (NIR). Device performance isExpand
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A 179-Lux Energy-Autonomous Fully-Encapsulated 17-mm3 Sensor Node with Initial Charge Delay Circuit for Battery Protection
  • I. Lee, G. Kim, +4 authors D. Blaauw
  • Materials Science, Computer Science
  • IEEE Symposium on VLSI Circuits
  • 18 June 2018
TLDR
We propose a fully encapsulated 17-mm3 sensor node with perpetual operation enabled by light harvesting with as little as 179 lux. Expand
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Dual-Junction GaAs Photovoltaics for Low Irradiance Wireless Power Transfer in Submillimeter-Scale Sensor Nodes
Dual-junction GaAs photovoltaic (PV) cells and modules at submillimeter scale are demonstrated for efficient wireless power transfer for Internet of Things and bio-implantable applications underExpand