Nanostructuring Operations in Nanoscale Science and Engineering

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State-of-the-art nanostructuring principles, methods, and aplications

Synthesize, characterize, and deploy highly miniaturized components using the theories and techniques contained in this comprehensive resource. Written by a nanotechnology expert, this authoritative volume covers the latest advances along with detailed schematics and real-world applications in engineering and the life sciences. Inside, 37 different nanostructuring methods and 16 different kinds of nanostructures are discussed.

Nanostructuring Operations in Nanoscale Science and Engineering explains how to manufacture high-purity fullerenes, assemble carbon nanotubes, and use nanofluids and nanowires. You will also learn how to develop high-performance biochips, work with biomimetics, and design molecular machines. The book includes 540 end-of-chapter review questions to reinforce the material covered.

Learn how to:

• Produce fullerenes using metallurgic, solar, and electric arc methods
• Use arc discharge, laser ablation, CVD, and HIPCO to create CNTs
• Build nanostructures with vacuum synthesis, gas evaporation, and lithography
• Work with quantum dots, polymer thin films, nanofluids, and nanoceramics
• Develop biochips, biological nanovalves, and molecular machines
• Mimic biological characteristics and organic self-repair using biomimetics
• Model nanoscale effects with relativistic and Laplace transforms
• Characterize nanoscale material using x-ray and helium ion microscope

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News Item

News Item
ALBUQUERQUE, New Mexico, March 17, 2010 — Iosil Energy Corporation (“Iosil”), an innovator in the production of high-purity solar grade polysilicon for the photovoltaic industry, announced today that it has secured $13.5 million in equity financing in an oversubscribed round.

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Enhanced Field Emission from Metallic Surfaces and Nanowires

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The role of material properties, surface preparation and cleaning techniques on Nb and Cu was studied for EFE , which is disastrous for high field vacuum devices. Dry ice cleaning is found to suppress EFE from the metallic surfaces very efficiently. High purity single crystal and large grain Nb samples showed the onset of FE at high fields (120 ? 200 MV/m).For the first time, the grain boundary assisted field emission was observed for Nb. A correlationbetween size of emitters and onset fields is obtained, which sets a threshold for the tolerable defect size to achieve the envisaged accelerating gradients in cavities reliably.Additionaly, the systematic study performed on electrochemically deposited Cu, Ni and Au nanowires of different aspect ratios and spatial distribution for cold cathode applications. In our findings, Au coating on Ni nanowires provided improved FE properties. Further, in Au Nanowires up to 40 % percentage of the wires were emitting. Achieving much larger emitter number densities ~10^5 cm^?2 at 6 V/µm compared to CNT cathodes with respect to the number of deposited nanostructures, makes Au NWs interesting for cold cathode applications.

BUY FROM AMAZON–>> Enhanced Field Emission from Metallic Surfaces and Nanowires

Silicon Chemical Corporation (SCC) Donates to Portland State University (PSU) for Solar Energy Research

Silicon Chemical Corporation (SCC) has donated funds toward developing a public-private partnership with Portland State University (PSU) in support of Dr. Carl Wamser’s research in the development of novel chemical processes for solar energy. SCC is particularly excited about the research PSU is conducting on new materials for solar energy production and the effects this research will have on our environment and life styles. Support of PSU’s research creates an ideal partnership for SCC as its new solar energy division, “SCC Solar” moves forward with implementation of advanced solar technologies.

“I appreciate very much the freedom and flexibility that you implied in your donation. I am still thinking of all the ways that these funds can be used to enrich the solar activities I do,” said Dr. Carl Wamser, Professor, Department of Chemistry, Portland State University.

SCC provides technology and equipment for the solar energy market, including the production of raw materials to produce high purity silicon and silane for the manufacture of single crystal and thin-film solar cells. SCC is also helping their clients to complete the value chain through the delivery and application of the client’s products in the USA by SCC Solar. As a company, SCC is focused on fully integrating the various phases of solar energy production to maximize raw material and energy efficiency while minimizing impact to the environment. SCC’s is a leader in the quest for zero emission discharge and a more sustainable production model for all aspects of solar energy.

“We’re grateful for your partnership in expanding resources for the sciences, one of the University’s leading priorities. Philanthropy like yours helps to provide a high quality research and teaching environment. Your contribution will show a strong return in the years ahead as Portland State scientists continue to create new knowledge and find groundbreaking ways to apply it to industry, improve the quality of lives and sustain our planet’s resources,” said Wim Wiewel, President of Portland State University.

“Collaboration with industry is an important component of our growth in research. I hope that you will find avenues for investigations and idea sharing with Carl and other scientists at PSU. Your gift to Dr. Wamser’s program will strengthen his ability to disseminate information about his work and lead to exploring a new area in solar research — the solar generation of fuel,” said Marvin A. Kaiser, Dean, College of Arts and Sciences, Portland State University.

“Our corporate goal is to develop and implement clean renewable solar energy while supporting the work being conducted locally that will provide valuable results for both Portland State University and SCC,” said Gary W. Phillips, president of Silicon Chemical Corporation. “We share a common vision for the future of solar energy.”

Portland State University’s ongoing solar activities include Carl Wamser’s lab, which works on organic solar cells based on conductive polymers. The long-term goal of his work is to produce inexpensive plastic films with solar activity (for either photovoltaic or solar-initiated chemistry). Funding from the National Science Foundation and others will power a project investigating the combination of green roofs and solar arrays; this is a collaborative project with Carl Wamser, David Sailor (Engineering), and Todd Rosenstiel (Biology). Also, three faculty members of the physics department carry out solar research on novel photovoltaic materials: Rolf Könenkamp (nanostructured semiconductors), Raj Solanki (silicon nanowires), Jun Jiao (carbon nanotubes).

As an outreach program, the PSU Photovoltaic Test Facility has been funded by the U.S. Department of Energy to establish a site for comparing various photovoltaic technologies. Up to 11 different 1 kW arrays will be deployed, with data sent to the internet. The Photovoltaic Test Facility will work with OMSI to use the data stream for a renewable energy exhibit. In addition, basic research projects have been funded by NSF, DOE, ONAMI, BEST, and the PSU Sustainability Initiative.

About SCC

Founded in 1991 and headquartered in Vancouver, Washington, USA, Silicon Chemical Corporation (SCC) provides process technology, equipment and professional services for the electronic and solar industries. SCC’s core technology is the production of the raw materials to produce high purity silicon and silane for the manufacturing of single crystal and thin-film solar cells. SCC is uniquely qualified in these fields with SCC staff having over 100 years of experience in process development, design, construction, and operation of silicon related process facilities. Key technology areas provided by SCC include trichlorosilane (TCS) and silane production and purification, effluent gas recovery (EGR), waste chlorosilane treatment and HCl recovery, energy conservation, mitigation of site emissions and wastes using leading edge environmental equipment and controls.

As the solar industry continues to grow worldwide, SCC will be at the forefront of technological innovations in partnership with outstanding academic institutions. With our SCC Solar division, SCC provides a bridge for our present and future clients to market their products in the USA, which is rapidly becoming the leading market for the solar industry.