Search Results - nanotechnology

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Apparatus and Method for continuous Production of Semiconductor Nanoparticles

A continuous-flow injection reactor and a method for continuous material synthesis, including synthesis of nanoparticles Background Nanocrystalline semiconductors have attracted a considerable amount of attention due to their unique physiochemical properties. Recent advances in nanocrystals are having a dramatic impact on the development of next...

Published: 10/15/2024 | Inventor(s): Chih-hung Chang, Hyungdae Jin, Yu-Wei Su

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Nanotechnology

Category(s): Chemical, Chemistry, Engineering, Nanoscience & Microtechnologies, Device, Materials Science, Physical Science

Segmented Flow for a Continuous Flow Microwave Reactor

Technology Description This invention is a continuous, segmented flow reactor system and method for the production of high quality NCs with microwave radiation. The system for NCs synthesis consists of an NC precursor configured to include an NC precursor solution with the ability to include a microwave reactor, segmentation fluid source, or other configurations...

Published: 5/10/2021 | Inventor(s): Gregory Herman, Brian Paul, Chih-Hung Chang, Ki-Joong Kim, Richard Oleksak, Padmavathi Chandran, Eric Hostetler, Brendan Flynn, Daniel Peterson, Bob Fitzmorris, Gustavo Albuquerque

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Computer Software, Materials Science, Nanotechnology, Photovoltaics

Category(s): Engineering

Atomically Smooth Nanoporous Alumina Thin Films

Technology Description This technology is a novel method for producing near-atomically smooth, porous alumina thin films by spin coating, in ambient conditions, using aqueous precursors. By utilizing this method, the refractive index of the alumina thin film is tunable from 1.56 to 1.26 by the introduction of a nonionic surfactant in the aqueous precursors....

Published: 1/16/2023 | Inventor(s): Douglas Keszler, Cory Perkins, Ryan Mansergh, Juan Ramos

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), anti-reflective coating, Nanofabrication, Nanoparticles, Nanotechnology, solar cell, Solar flux absorption, Solar Thermal, surface chemistry, Thermal Management, Thin layer chromatography

Category(s): Engineering

Fluidic devices with photo-actuated gates and re-patternable channels

Background Microfluidic devices are a popular means of analyzing minute quantities of samples and feature high-throughput sampling capabilities and suitability for providing highly controlled microreactor environments; however, many types of microfluidic devices and related fabrication approaches can be costly and require great effort and time to...

Published: 6/17/2024 | Inventor(s): Vincent Remcho, Jintana Nammoonnoy, Myra Koesdjojo

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Biological & Environmental Engineering, Biomedical, Biotechnology, Chemicals / Chemical Engineering, Diagnostic, Medical Science & Technologies, Multiplexing, Nanotechnology, Physics / Applied Engineering, Research Tools

Category(s): Device, Chemical, Chemistry, Diagnostics, Engineering, Nanoscience & Microtechnologies, Research Tools

Low Cost Methods for Producing Microchannel Process Technology

A manufacturing architecture that uses microchannel flow inserts to enable stamping and avoid photochemical etching Background Microchannel process technology is useful in a variety of applications including heat exchangers, solar cells, hydrogen storage, and chemical reactors. The surface-area-to-volume ratios of microchannels are as large as...

Published: 6/18/2024 | Inventor(s): Brian Paul, Samuel Brannon

Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemical Synthesis, Chemicals / Chemical Engineering, Electrical & Computer Engineering, Energy Storage, Heat exchangers, Heat Transfer, Manufacturing, Mechanical & Areospace Engineering, Metal Alloy, Microchannel, Mixing, Nanotechnology, pharmaceuticals, Physical Science, Physics / Applied Engineering, Process/Procedure, Reactor, Research Tools

Category(s): Device, Engineering, Medical Devices, Nanoscience & Microtechnologies, Physical Science, Research Tools, Sustainability & Cleantechnologies, Transportation

Solution-Based Synthesis of Functional Graphene

PSU researchers have developed techniques to covalently attach single and multiple layers of graphene sheets on substrates. The graphene can subsequently be functionalized for use in nanobiosensor applications. Procedures are being developed for the solution-based synthesis and functionalization of graphene sheets from graphite in a way that is straightforward,...

Published: 2/17/2021 | Inventor(s): Mingdi Yan, Li-Hong Liu

Keywords(s): Chemistry, Nanotechnology

Category(s): Chemistry

Nitrogen Dioxide Gas Sensor

PSU researchers have developed a new chemical gas sensor capable of detecting nitrogen dioxide (NO2) at levels less than 100ppb (two orders of magnitude more sensitive than current chemiluminescent based NOx sensors), having a dynamic linear range of parts per million to parts per billion, and a speed of detection of 60-120 seconds. Unlike existing...

Published: 2/27/2012 | Inventor(s): Shalini Prasad, Linda George, Divakara Meka

Keywords(s): Electronics, Nanotechnology, Sensors

Category(s): Chemistry

Mono-Layer and Multi-Layer Nanowire Networks

The fabrication of nanoscale materials (by both bottom-up and top-down routes) has been driven by miniaturization of devices and the limitations of Si COMS technology. Research using one-dimensional nano-wires and nanotubes to fabricate nanodevices has demonstrated their potential applications, including field effect transistors, nano-biosensors, solar...

Published: 3/28/2018 | Inventor(s): Jun Jiao, Haiyan Li

Keywords(s): Nanotechnology, Physics

Category(s): Nanoscience & Microtechnologies

Nanoporous Membrane Protein Biomarker Detectors

Disease assessment can be based on one or many biomarkers – a specific gene, protein, or other biological substance – that can be used to assess disease progress and aid in determining treatment. Unfortunately, biomarker-based measurements are often slow, expensive or otherwise impractical. PSU researchers have fabricated biomarker detectors with...

Published: 10/16/2020 | Inventor(s): Shalini Prasad, Ravi Kiran Kondama Reddy, Thomas Barrett

Keywords(s): Electrical & Computer Engineering, Nanotechnology

Category(s): Nanoscience & Microtechnologies

Synthesis of Nanoscale Structures in Defined Locations

Since their discovery in 1991 by microscopist Sumio Iijima, carbon nanotubes have intrigued researchers with their structures and the applications enabled by their unique physical properties. Nanotubes exhibit high chemical resistance and mechanical strength, among other desirable physical properties. However, one ongoing challenge to exploiting these...

Published: 2/22/2021 | Inventor(s): Jun Jiao, Lifeng Dong, Sean Foxley, David Tuggle

Keywords(s): Nanotechnology, Physics

Category(s): Nanoscience & Microtechnologies

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