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Fabrication And Characterization Of Zinc Oxide And Gallium Nitride Based Sensors
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Book Synopsis Fabrication and Characterization of Zinc Oxide and Gallium Nitride Based Sensors by : Hung-Ta Wang
Download or read book Fabrication and Characterization of Zinc Oxide and Gallium Nitride Based Sensors written by Hung-Ta Wang and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The sensors showed an excellent sensing selectivity of more than 100 of detecting mercury ions over sodium, magnesium, and lead ions, but not copper. AlGaN/GaN based HEMTs were used to detect kidney injury molecule-1 (KIM-1), an important biomarker for early kidney injury detection. The HEMT gate region was coated with KIM-1 antibodies and the HEMT source-drain current showed a clear dependence on the KIM-1 concentration in phosphate-buffered saline (PBS) solution. The limit of detection (LOD) was 1ng/ml using a 20 micron by 50 micron gate sensing area. This approach shows a potential for both preclinical and clinical disease diagnosis with accurate, rapid, noninvasive, and high throughput capabilities. The rest of this dissertation includes ZnO band edge electroluminescence from N- implanted ZnO bulk, and the investigation of cryogenic gold Schottky contact on GaAs for enhancing device thermal stability.
Book Synopsis The Fabrication and Characterization of Zno Gas Sensors by : Naif H. Al-Hardan
Download or read book The Fabrication and Characterization of Zno Gas Sensors written by Naif H. Al-Hardan and published by LAP Lambert Academic Publishing. This book was released on 2011-09 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sensors and sensors arrays are also used in medical applications, automotive and process control. In general, sensors provide an interface between the electronic equipment and the physical world typically by converting non electrical of physical or chemical quantities into electrical signals. Recently, gas sensors based on the semiconducting metal-oxides (they also are known as resistive or chemoresistive sensors) such as tin dioxide, zinc oxide and tungsten trioxide were found to be very useful for detecting the toxic, harmful and hydrocarbons gases The main objective of this monograph is the application of Cr doped ZnO thin film for gas sensors applications.
Book Synopsis Fabrication and Characterization of ZnO and GaN Devices for Electronic and Photonic Applications by : Fei Tong
Download or read book Fabrication and Characterization of ZnO and GaN Devices for Electronic and Photonic Applications written by Fei Tong and published by . This book was released on 2013 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Zinc Oxide Based Nanostructures by : Hui Ying Yang
Download or read book Zinc Oxide Based Nanostructures written by Hui Ying Yang and published by . This book was released on 2009-11 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Zinc Oxide (Zno) Nanostructures by : Yu-Hang Leung
Download or read book Fabrication and Characterization of Zinc Oxide (Zno) Nanostructures written by Yu-Hang Leung and published by . This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2008 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Zinc Oxide Nanostructures for Piezoelectric, Mechanical and Electrical Applications by :
Download or read book Fabrication and Characterization of Zinc Oxide Nanostructures for Piezoelectric, Mechanical and Electrical Applications written by and published by . This book was released on 2014 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Compound Semiconductor Sensors for Pressure, Gas, Chemical, and Biomaterial Sensing by : Byoung Sam Kang
Download or read book Fabrication and Characterization of Compound Semiconductor Sensors for Pressure, Gas, Chemical, and Biomaterial Sensing written by Byoung Sam Kang and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For biomaterials detection, the gate region was chemically modified with aminopropyl silane. As streptavidin was introduced to the biotin-functionalized gate region, the drain-source current showed a clear decrease of 4 [mu]A, which shows interaction between antibody and antigen. A Schottky diode was fabricated on a ZnO thin film and showed higher sensitivity to hydrogen (5 ppm). A single ZnO nanorod FET-based sensor was also demonstrated. Conductivity of the single nanorod sensor decreased linearly when the pH value of the solution varied from 2 to 12. The measured sensitivity was 8.5 nS/pH in the dark and 20 nS/pH under UV (365 nm) illumination, showing tremendous potential for sensing applications.
Book Synopsis Fabrication and Characterization of Zinc Oxide Nanowire Field Effect Transistors by : Vamsi Krishna Kunapuli
Download or read book Fabrication and Characterization of Zinc Oxide Nanowire Field Effect Transistors written by Vamsi Krishna Kunapuli and published by . This book was released on 2008 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Piezoelectric Zinc Oxide Nanowire Sensor by : Zacharia Tharakan
Download or read book Fabrication and Characterization of Piezoelectric Zinc Oxide Nanowire Sensor written by Zacharia Tharakan and published by . This book was released on 2017 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The biosensor field is rapidly accelerating in recent years. Among many types of biosensors available today, piezoelectric (PZT) class of materials are becoming very popular. In this thesis, Zinc Oxide nanowire PZT biosensor was fabricated and characterized to detect the presence of fungi which has some huge economic implications in US agriculture industry. Zinc Oxide nanowires were synthesized in a mass scale via wet solution method in a controlled temperature and growth environment. Different substrates including glass, indium tin oxide, and gold coated silicon substrates were utilized to grow the nanowires followed by layering with silane and subsequently etching them. The results show that the nanowires were grown homogenously on gold coated silicon wafers with cylindrical structures. The ideal morphology of the nanowires was found to be dependent on: incubation time, incubation temperature, and substrate material. Substrate catalyst was also varied from Au & Pd to pure Au which showed significant improvement in producing the nanowires. A systematic variation of hours was implemented from: 3, 5, 7, 9, 11, and 13 hours. Zinc Oxide nanowire features such as length, diameter, and aspect ratio were quantified through SEM micrographs. Linear increase in height, diameter, and aspect ratio was observed up to 13 hours along with density. The optimal condition for nanowire growth was determined at: 80 °C and 5 hours. Energy dispersive spectroscopy aided in generating presence of specific elements on the biosensor. Raman helps in verifying chemical composition of the device. Both Raman and EDS spectroscopy aided in enhancement and individualization of the biosensor at different proposed parameters. Keithley readings represented series of current-voltage (I-V) measurements under different forward biased voltages. The response of nanowires from these I-V measurements show a diode-like response. Next, nanowire displacement patterns of fungi, Fusarium proliferatum (F. proliferatum) were studied by I-V measurements. When I-V measurements were conducted on PZT nanowires in the presence of F. proliferatum a strong association from microbe attachment and growth was observed showing an increase in switch-on voltage with a 2V sweep. It is speculated that the observed high resistance is a result of mechanical movement of fungi on the piezoelectric device. Future studies will be designed to investigate this phenomenon. These results indicate that by simply reading the characteristic current-voltage measurement, one can better evaluate microbe pattern of displacement and maturation. Future application of this nanowire platform can characterize distinct displacement signature of disease carrying organism much more efficiently.
Book Synopsis Top-down Fabrication and Characterization of Zinc Oxide Nanowire Field Effect Transistors by : Suhana Sultan
Download or read book Top-down Fabrication and Characterization of Zinc Oxide Nanowire Field Effect Transistors written by Suhana Sultan and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fabrication and Characterization of Zinc Oxide (ZnO) Nanowires Array and Its Applications by : Yu Hang Leung
Download or read book Fabrication and Characterization of Zinc Oxide (ZnO) Nanowires Array and Its Applications written by Yu Hang Leung and published by . This book was released on 2011 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanotechnology in Electronics by : Visakh P. M.
Download or read book Nanotechnology in Electronics written by Visakh P. M. and published by John Wiley & Sons. This book was released on 2022-10-07 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology in Electronics Enables readers to understand and apply state-of-the-art concepts surrounding modern nanotechnology in electronics Nanotechnology in Electronics summarizes numerous research accomplishments in the field, covering novel materials for electronic applications (such as graphene, nanowires, and carbon nanotubes) and modern nanoelectronic devices (such as biosensors, optoelectronic devices, flexible electronics, nanoscale batteries, and nanogenerators) that are used in many different fields (such as sensor technology, energy generation, data storage and biomedicine). Edited by four highly qualified researchers and professionals in the field, other specific sample topics covered in Nanotechnology in Electronics include: Graphene-based nanoelectronics biosensors, including the history, properties, and fundamentals of graphene, plus fundamentals of graphene derivatives and the synthesis of graphene Zinc oxide piezoelectronic nanogenerators for low frequency applications, with an introduction to zinc oxide and zinc oxide piezoelectric nanogenerators Investigation of the hot junctionless mosfets, including an overview of the junctionless paradigm and a simulation framework of the hot carrier degradation Conductive nanomaterials for printed/flexible electronics application and metal oxide semiconductors for non-invasive diagnosis of breast cancer The fundamental aspects and applications of multiferroic-based spintronic devices and quartz tuning fork based nanosensors. Containing in-depth information on the topic and written intentionally to help with the practical application of concepts described within, Nanotechnology in Electronics is a must-have reference for materials scientists, electronics engineers, and engineering scientists who wish to understand and harness the state of the art in the field.
Book Synopsis Fabrication and Characterization of Metal-Loaded Mixed Metal Oxides Gas Sensors for the Detection of Hazardous Gases by : Chang-Seop Lee
Download or read book Fabrication and Characterization of Metal-Loaded Mixed Metal Oxides Gas Sensors for the Detection of Hazardous Gases written by Chang-Seop Lee and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study concerns gas sensors that may protect individuals by detecting hazardous gases that may be generated in hot spaces (≥50°C) with residues of organic waste. We investigated the responses and selectivities of the sensors to different kinds of hazardous gases such as acetaldehyde, toluene and hydrogen sulfide. We also investigated operating temperatures and catalysts for the sensors. The thick film semiconductor sensors that detected some hazardous gases were prepared using nano-sized sensing material powders (SnO2, WO3, ZnO) that were prepared through sol-gel and precipitation methods. The nano-sized sensing materials were blended with various amounts of metal oxides (SnO2, ZnO, WO3) and coated with transition metals (Pt, Pd, Ru, Au, Ag, Cu and In). The metal oxide thick films were fabricated on an Al2O3 plate with a Ni-Cr heater and a Pt electrode through a screen-printing method. Morphologies, compositions, phases, surface areas and particle sizes of sensor compounds were examined by SEM, EDS, XRD and BET analysis. The investigated response to the various hazardous vapors was expressed as the value of Ra/Rg, where Ra and Rg are the resistance of the sensor material in the air and in hazardous gas, respectively.
Book Synopsis Synthesis and Characterization of Zinc Oxide and Tin Oxide Based Nanostructures for Gas Sensing Applications by : Tharsika Thabothanayakam
Download or read book Synthesis and Characterization of Zinc Oxide and Tin Oxide Based Nanostructures for Gas Sensing Applications written by Tharsika Thabothanayakam and published by . This book was released on 2015 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Zinc Oxide Nanostructures by : Magnus Willander
Download or read book Zinc Oxide Nanostructures written by Magnus Willander and published by CRC Press. This book was released on 2014-07-22 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zinc oxide (ZnO) in its nanostructured form is emerging as a promising material with great potential for the development of many smart electronic devices. This book presents up-to-date information about various synthesis methods to obtain device-quality ZnO nanostructures. It describes both high-temperature (over 100 C) and low-temperature (under
Book Synopsis Polymers in Energy Conversion and Storage by : Inamuddin
Download or read book Polymers in Energy Conversion and Storage written by Inamuddin and published by CRC Press. This book was released on 2022-06-28 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research and development activities in energy conversion and storage are playing a significant role in our daily lives owing to the rising interest in clean energy technologies to alleviate the fossil-fuel crisis. Polymers are used in energy conversion and storage technology due to their low-cost, softness, ductility and flexibility compared to carbon and inorganic materials. Polymers in Energy Conversion and Storage provides in-depth literature on the applicability of polymers in energy conversion and storage, history and progress, fabrication techniques, and potential applications. Highly accomplished experts review current and potential applications including hydrogen production, solar cells, photovoltaics, water splitting, fuel cells, supercapacitors and batteries. Chapters address the history and progress, fabrication techniques, and many applications within a framework of basic studies, novel research, and energy applications. Additional Features Include: Explores all types of energy applications based on polymers and its composites Provides an introduction and essential concepts tailored for the industrial and research community Details historical developments in the use of polymers in energy applications Discusses the advantages of polymers as electrolytes in batteries and fuel cells This book is an invaluable guide for students, professors, scientists and R&D industrial experts working in the field.
