The World runs on Energy. Energy is One of the basic need without which nothing exists. In this paper the role Nantenna system in transforming thermal and solar energy into electricity. Nanoantenna’s Target the mid infrared rays where Photovoltaic cells become inefficient. Infrared radiation is one of the rich energy source. It is also generated by industry people. Solar cells become inefficient during night times or when there is no light but Nantenna even work at night times. The operating mechanism, production is illustrated. Differences, Applications, Advantages and limitations of Nantenna is discussed in the paper. By this cutting-edge technology Free and Clean Energy can be utilized to the maximum extent

1. RESEARCH POSTER PRESENTATION DESIGN © 2015
www.PosterPresentations.com
RESEARCH POSTER PRESENTATION DESIGN © 2015
www.PosterPresentations.com
“The Infinite Power of the Sun”
Single day provides enough energy for 27 years
INTRODUCTION
Photo voltaic Cells and Its Limitations
Nantenna
1.Nantennas are used for converting solar radiation to electricity.
2.Nantenna is a EM Collector
3. Nantennas are used to observe wavelengths between 0.4–1.6 μm because these wavelengths
have high energy and make up about 85% of the solar radiation spectrum.
Advantages
1.It has High efficiency than Solar cells
2,It can also produce energy in night times
3. Utilize untapped infrared parts of spectrum
(Solar radiation & Thermal earth radiation)
4.Can be inexpensively mass produced
Applications
Nanoantenna “skins” e.g. self-charging AA battery design,car,laptop.
Economically scales to large infrastructure (homes, businesses)
Future Scope:
 In future we can find optical rectenna in place of solar cells
 No SPACE Organisation had tried it till now
ISRO can create another history by sending first nantenna satellite
1.This are operated only in Day time
2.More Heat Loss
3.Less Efficiency
4. They Should be Placed Perpendicular to surface of solar
radiation for Optimum efficiency
Nantennas
4. Nantennas observe both solar radiation
and therrmal Radiation
Working
• The incident light causes electrons in the
nantenna to move back and forth at the
same frequency as the incoming light.
•This is caused by oscillating electric field
of incoming EM Wave .
•The Movement of electrons Causes an
alternating current in nantenna circuit
•The alternating current should be converted
to DC
COMPONENTS OF A NANTENNA:
 The nantenna consists of three main parts:
1.The ground plane
2.The optical resonance cavity
3.The antenna.
Disadvantages
1. The high frequency of light makes the use of typical Schottky diodes impractical
i.e. more advanced diodes are necessary to operate efficiently at higher
frequencies.
2. Current nantennas are produced using electron beam (e-beam) lithography.
This process is slow and relatively expensive because parallel processing is not
possible with e-beam lithography. (Can be eliminated by roll-to-roll
manufacturing method.)
References
1]Ansoft High Frequency Structure Simulator v10 User’s Guide, Ansoft Corporation,
(2005)
2] Alda, J. Rico-García, J. López-Alonso,and G. Boreman, "Optical antennas for nano-
photonic applications," Nanotechnology, vol. 16, pp. S230-4, 2005
P. Nagarjuna
Dept. of ECE KLEF, Vijayawada