Posts Tagged "Nanotechnology Introduction"

Nanotechnology And Photovoltaics Trends & Market Potential

Nanotechnology, shortened to “Nanotech”, is the study of the control of matter on an atomic and molecular scale. Generally nanotechnology deals with structures of the size 100 nanometers or smaller, and involves developing materials or devices within that size.

Nanotechnology is very diverse, ranging from novel extensions of conventional device physics, to completely new approaches based upon molecular self-assembly, to developing new materials with dimensions on the nanoscale, even to speculation on whether we can directly control matter on the atomic scale.

Although nanotechnology is a relatively recent development in scientific research, the development of its central concepts happened over a longer period of time.

Photovoltaic (PV) is the field of technology and research related to the application of solar cells for energy by converting sun energy (sunlight or sun ultra violet radiation) directly into electricity. Due to the growing demand for clean sources of energy, the manufacture of solar cells and photovoltaic arrays has expanded dramatically in recent years.

The coming together of these two technologies has become the talk of the town lately.

This report looks at how nanotechnology is changing the field of photovoltaic innovation.
From the basics of nanotech to the basics of photovoltaic, this report looks at how nanotech is making possible new developments in the solar PV industry.

Table Of Contents :

Executive Summary 5

What You Need to Know about Nanotechnology 6
Introduction 6
History of Nanotechnology 6
Basic Concept 10
What are Nanomaterials? 10
What is Molecular Self-Assembly? 11
Molecular Nanotechnology 11
Techniques Utilized in Nanotechnology 13
Applications of Nanotechnology 15
Medicine 15
Chemistry and the Environment 16
Energy 17
IT and Communications 17
Consumer Goods 18
Aerospace 18
Constructions 19
Implications of Nanotechnology 19
Health and Safety in Terms of Nanoparticles 19
Environmental Issues 20

What You Need to Know about Photovoltaics 22
Introduction 22
Present-Day Industry Overview 23
Global Market 23
Applications of PV 24
Stand Alone PV Systems 25
Photovoltaic Power Station 25
PV in Buildings 26
Photovoltaics with Battery Storage 27
Concept of PV Storage 27
Rural Electrification 28
Connecting Generators with PV 28
Utilities with a Grid-Connected PV System 28
Hybrid Power Systems 30
Distributed Generation and PV 30
Economics of PV 31
Financial Incentives for PV 32
Environmental Impacts 34
Advantages and Disadvantages of PV 34

Nanotech and PV 37
Use of Nanotechnology in the Energy Industry 37
Nanotechnology and Solar Power 40
Nanolayers in Stack Cells 43
Quantum Dots for Solar Cells 43
New Materials for Photovoltaics 44

Research in Nanotechnology Usage in PV 46

Major Players 50
Nanosolar 50
NanoGram 52
HelioVolt Corporation 53
Konarka Technologies, Inc 54
SunFlake AS 56

Appendix 58

Glossary 65

List of Figures and Tables

Figures

Figure 1: Hybrid Power Systems 30
Figure 2: Diagram of a Nano Solar Cell 41
Figure 3: Processability of Nanomaterials (High Productivity Possible through Printing
Processes) 44
Figure 4: Activity and Diversity of Top 10 Countries in Nanotechnology Thin-film Solar
Cells Publications 49
Figure 5: Parabolic Trough 58
Figure 6: Central Receiver or Solar Tower 58
Figure 7: Parabolic Dish 59
Figure 8: Photovoltaic Roof System 59
Figure 9: Cost of PV to Consumers and Manufacturing Shipments 60
Figure 10: A Schematic Arrangement of a PV Cell 60
Figure 11: Solar Parabolic Trough System Combined with Fossil Fuel Firing to Generate
Electrical Power 61
Figure 12: Arrangement of a Central Receiver Solar Thermal System 61
Figure 13: A Solar Pond Arrangement 61
Figure 14: Integrated Solar/Combined Cycle System (ISCC) 63

Tables

Table 1: Some Examples of Clean Technologies 38
Table 2: Early Solar Thermal Power Plants 62
Table 3: Comparison of Solar Thermal Power Technologies 63
Table 4: Cost Reductions in Parabolic Trough Solar Thermal Power Plants 63

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Fundamental Technique of Nanotechnology

Introduction to nanotechnology manipulates the atomic properties of nanotechnology materials. Nanotechnology is the broad classification of applied science and technologies evolving around. Nanotechnology comprises of physics, material science, and applied science different disciplines. The characteristic of nanotechnology will be different and it comes up with standard features and techniques. It is designed and produced specifically to meet wide applications. It is used to control, manipulate the molecular level of the scale and it ranges with regards to the fabrication devices.

Nanotechnology in medicine has been made with regards to nanotechnology research and nanotechnology reports. Generally, Nanotechnologies have been classified under multidisciplinary or interdisciplinary field of science and technology and more nanotechnology materials have been updated constantly. It is confined has mechanical and electrical engineering. The popular nanotechnology among the customer is molecular nanotechnology which is used to operate molecular scale. The main purpose of introduction to nanotechnology is that it produces desire structure or device using principles.

Nanotechnology uses more techniques and tools for its updating. Nanotechnology includes techniques for fabrication such as deep ultraviolet lithography, electron beam lithography, atomic layer deposition, and molecular vapor deposition. With regards to nanotechnology research and nanotechnology reports, it is come to know that it is possible to measure nanostructures and it is functionality. Nanotechnology can be used for wide applications and it has been designed specifically to meet the requirement of the customers around the world. Nanotechnology is an extension of existing sciences which interprets as nano scale or as recasting of existing science using new technology research.

Nanotechnology research has been made continuously to update technology using different techniques and tools available in the world. New technologies have been used to measure the molecular interactions that take place. Two different approaches have been insisted in nanotechnology to control, assist and to manipulate the molecular level of the scales. The fabrication techniques used ranges and the applications of structures differ. The design, devices for nanotechnology used for production to control the manipulation of size and shape of the scale which produces structural and characteristic for the technology updated.

Nanotechnology uses techniques to suit for applications such as field emission, plastics, energy storage, adhesives/connectors, molecular electronics, fibers and fabrics and for other applications. More number of manufacturers is interested in manufacturing tools required for nanotechnology and they provides and update for reasonable price consideration. To use nanotechnology or its updating, more assumption has been created with regards to science and technology which results from nanotechnology research.

Sharm kan is a Copywriter of nanotechnology. He written many articles in various topics.For more information visit: future nanotechnology .contact him at sharmkan@gmail.com.

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Why Nanotechnology?





Introduction

Researching an area related to Nanotechnology can lead to new fields of technology and discovery. Examining the overall subject of Nanotechnology can certainly lead us beyond the original expectations. You can look at Nanotechnology as a whole, compare the results across large areas of research in this field that have involved different people with different backgrounds, various institutes and various organisations, as well as the results of commercial businesses already dealing and working in this field. Many of the results would be unexpected and, consequently, would raise large numbers of questions with various possible answers; in a field many still consider merely a part of scientific research rather than a part of the actual engineering and commercial side.

Consequently, the general view related to Nanotechnology has been borne out here as a result of what has been done and achieved so far worldwide, out of genuine conviction that Nanotechnology is the way forward for a better future for everyone concerned.

The Importance of Nanotechnology

Consider the question: “Why should Nanotechnology work better than any other form of technology?” The answer can be very simple. When we understand the structure of matter, then we can manipulate it and control it “from the inside”, which should give much better results than just dealing with matter “from the outside”.

How can it be concluded that Nanotechnology is the answer, when we still do not either have the means to use it in commercial environments, or have fast, accurate and cheap ways of applying it? Perhaps this is partly a matter of belief. But, at the present time, much work and research across the globe is aimed at just that, i.e. at building the basis of what will be needed (now or later) in order to provide fast, accurate and cheaper ways of employing the principles of Nanotechnology.

The study of the basic principles of Nanotechnology, its future implications and its benefits, made it desirable to put a case forward for substantial undergraduate and postgraduate programmes in this field, as an essential part in speeding up the acceptance of this kind of technology among the general public and, more importantly, to provide a nanotechnologist educated elite for various industries and businesses.

As is very well known, in any technology, no work is complete without the demonstration of the practical applications and the huge benefits which can be provided. Thus, research, development and engineering of various tools related to Nanotechnology are vital in order that a steady commercial progress can take place alongside the present scientific research.

Teaching Nano-science and Nanotechnology

Obviously, for Nanotechnology to establish itself and become an important complete taught subject similar to any other science and technology subjects being taught today, a regular awareness programme should be launched and syllabuses should be compiled.

Nanotechnology teaching is lagging far behind Nanotechnology research. This is due to a number of reasons, but possibly the most significant “among many” is that Nanotechnology looks important mostly to commerce and defence. Large commercial companies do not want to be left behind and, therefore, were among the first to start their own research in this field. Also, Nanotechnology-related research in security and defence plays a large role in countries that have the infrastructure and the money to advance the technology for their own purposes.

Applications

In olden times, “Philosophy” was described as the mother of every science. “Nanotechnology” can now be easily described as the mother of engineering. For the above reason, when it comes to the type and number of applications which may be addressed by Nanotechnology, then the answer is that there is no limit simply because Nanotechnology deals with the inner structure i.e. dealing with atoms and molecules as the starting point for all kind of applications which can be used in our daily lives.

Practical Training and Future Tools

The future of Nanotechnology tools, recent research and development has brought onto the scientific scene the next generation of methods and tools that will allow us to understand and explore the nano-world in a much better way than we are able to do at present. With these new methods and tools, we will be able to gain a better insight into the collective behaviour of molecules and atoms. For example, a combination of STEM and Low Energy Electron Microscopy (LEEM) can enable us to look deeper into aspects of the self-assembly process at a superficial level. Another design related to Nanotechnology tools is the “Interfacial Force Microscope (IFM)”, which has the ability to simultaneously measure lateral and normal forces, regardless whether there is a repulsive or attractive load.

Other important areas of research and development concern Nanotechnology tools (such as robotic arms and nano-tube tweezers) that have as their main purpose the moving of molecules from one location to another. The size of these tools needs to be reduced and computer technologies should be developed further to become an essential part of the above processes and applications.

There is no doubt that Nanotechnology will be the common technology of the “not too distant” future, but only for those who are ready to invest their time, effort and money. This can be done in the form of teaching Nanotechnology, applying it to various industries and businesses and making people familiar with it, especially the young generation.

The USA has done a lot in this field; they have even introduced Nanotechnology as a subject for a number of schools. The hope that the rest of the world will do the same, and may be do even more, will no doubt bring the benefit much earlier for those working in this field and hopefully share it with the rest of the world.

Najib Altawell

Altawell © 2008

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