Plasmonic nano-antenna a-Si:H solar cell. Marcel Di Vece, Yinghuan Kuang, Stephan N.F. van Duren, Jamie M. Charry, Lourens van Dijk, and Ruud E.I. electricity from the abundant energy of the sun, using nanoantenna tional photovoltaic (PV) solar cells are inefficient and where there is an. Nanoantenna solar electromagnetic collectors (NECs) are a new promising alternative competitive alternative to photovoltaic solar cells.


Author: Orpha Mitchell
Country: Fiji
Language: English
Genre: Education
Published: 6 April 2017
Pages: 758
PDF File Size: 21.41 Mb
ePub File Size: 41.29 Mb
ISBN: 974-5-34179-235-1
Downloads: 58667
Price: Free
Uploader: Orpha Mitchell


After a proof of concept on a stiff silicon substrate, the experiment was replicated on a flexible polymer-based substrate.

Initial tests show that the antenna design can be translated to a polymer substrate, but further experiments are needed to fully optimize the characteristics.

Nanoantenna solar cell proof of principle of optical antennas can be realized in radio frequency range. High permittivity dielectric particles can be used to simulate silicon behaviour nanoantenna solar cell optical frequencies.

OSA | Plasmonic nano-antenna a-Si:H solar cell

This allows to perform experiment at microwave in order to predict antenna behavior at optics. Economics of optical antennas[ edit ] Optical antennas by itself, omitting the crucial diode and other nanoantenna solar cell are cheaper than photovoltaics if efficiency is ignored.

His prototype was a 30 x 61 cm of plastic, which contained only 0. Novack claimed that optical rectennas could one day be used to power cars, charge cell phones, and even cool homes. Novack claimed the last of these will work by both absorbing the infrared heat available in the room and producing electricity which could nanoantenna solar cell used to further cool the room.

Optical rectenna

Other scientists have disputed this, saying it would violate the second law of thermodynamics. There are two challenging requirements: First, the diode must have sufficient speed to rectify visible light.

Second, unless the incoming light is extremely intense, the diode needs to be extremely nonlinear much higher forward current than reverse currentin order to avoid "reverse-bias leakage". The diode simultaneously needs a high forward-bias current, related to impedance-matching to the antenna.

There are special diodes for nanoantenna solar cell speed e. nanoantenna solar cell

Optical rectenna - Wikipedia

To improve the efficiency of carbon nanotube-based rectenna: A large nanoantenna solar cell function WF difference between the MWCNT is needed to maximize diode asymmetry, which lowers the turn-on voltage required to induce a photoresponse.

Ideally, nanoantenna solar cell top electrode layers should be transparent to allow incoming light to reach the MWCNT antennae. Improving device conductivity increases the rectified power output. But there are other impacts of resistance on device performance.

Nanoantennas could make for more efficient solar panels

Ideal impedance matching between the antenna and diode enhances rectified power. The main nanoantenna solar cell of Nano antennas is to absorb the electromagnetic radiation of specific wavelengths that are proportional to the size of the nano antenna.

A team from Tel Aviv University have proposed that when the length of the Nano- antenna varies, the nanoantenna solar cell of radiation that it can absorb also varies and the researchers concluded that the panel with a variety of lengths of antennas could be able to absorb more radiation with a different wavelength from the solar spectrum.

  • Solar Rectenna -- Patented Technique Key To New Solar Power Technology
  • Nano antenna Solar Cell-Nanotechnology used to gain energy after sunset | Home | Illumine i
  • Nanoantenna Solar Cell Efficiency Can Blow Silicon Out Of The Water
  • Nanoantennas could make for more efficient solar panels
  • Top stories
  • Optics Express

This unique feature made the Nano antennas more efficient and the possible way to convert the electromagnetic radiation to electric current even after sun set. The sun provides infinite amount of energy in the form of a spectrum nanoantenna solar cell electromagnetic waves ranging from infrared IR to Ultraviolet rays UV.

The nanoantennas are constructed out of small amounts of aluminum and gold, and are each less than a micron in length - because light has such a short wavelength as compared to radio wavesshort antennas nanoantenna solar cell the optimal absorption.

After being created, the nanoantennas were then exposed to light, to determine how well they could receive and transmit light energy. According to the initial tests, 95 percent nanoantenna solar cell the wattage being absorbed by the antennas was passed along, with only 5 percent being wasted.