Navigation Links
Solar cells thinner than wavelengths of light hold huge power potential
Date:9/28/2010

l.

But light has a dual nature, sometimes behaving as a solid particle (a photon) and other times as a wave of energy, and Fan and postdoctoral researcher Zongfu Yu decided to explore whether the conventional limit on light trapping held true in a nanoscale setting. Yu is the lead author of the PNAS paper.

"We all used to think of light as going in a straight line," Fan said. "For example, a ray of light hits a mirror, it bounces and you see another light ray. That is the typical way we think about light in the macroscopic world.

"But if you go down to the nanoscales that we are interested in, hundreds of millionths of a millimeter in scale, it turns out the wave characteristic really becomes important."

Visible light has wavelengths around 400 to 700 nanometers (billionths of a meter), but even at that small scale, Fan said, many of the structures that Yu analyzed had a theoretical limit comparable to the conventional limit proven by experiment.

"One of the surprises with this work was discovering just how robust the conventional limit is," Fan said.

It was only when Yu began investigating the behavior of light inside a material of deep subwavelength-scale substantially smaller than the wavelength of the light that it became evident to him that light could be confined for a longer time, increasing energy absorption beyond the conventional limit at the macroscale.

"The amount of benefit of nanoscale confinement we have shown here really is surprising," said Yu. "Overcoming the conventional limit opens a new door to designing highly efficient solar cells."

Yu determined through numerical simulations that the most effective structure for capitalizing on the benefits of nanoscale confinement was a combination of several different types of layers around an organic thin film.

He sandwiched the organic thin film between two layers of material called "cladding" layers that acted as confini
'/>"/>

Contact: Louis Bergeron
louisb3@stanford.edu
650-725-1944
Stanford University
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. Rethinking renewables: A new approach to energy storage for wind and solar
2. Research team assesses environmental impact of organic solar cells
3. New Test Centre in India: TUV Rheinland Continues Worldwide Investment Programme for Solar Industry
4. Mass production of polymer solar cells is within reach
5. Life of plastic solar cell jumps from hours to 8 months
6. University of Minnesota researchers clear major hurdle in road to high-efficiency solar cells
7. Copper nanowires enable bendable displays and solar cells
8. Wake Forest earns patent for efficient, inexpensive fiber-based solar cells
9. New path to solar energy via solid-state photovoltaics
10. New Canadian solar photovoltaic research network established; based at McMaster University
11. Glitter-sized solar photovoltaics produce competitive results
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Solar cells thinner than wavelengths of light hold huge power potential
(Date:7/10/2014)... July 10, 2014 Unraveling life’s mysteries ... The Archer Family purchased a DNA test ... but ended up with a lifetime of memories, sharing, ... the family members’ DNA genuinely brought the family closer ... search deeper into genetic history and prior to taking ...
(Date:7/10/2014)... Angeles, CA (PRWEB) July 10, 2014 ... and Bioanalytical techniques during 18-20 August, 2014 at Double ... critically review the recent developments in Analytical & Bioanalytical ... the globe. , Speaking on this occasion, Dr. Srinubabu ... Analytica Acta conference is a remarkable one in ...
(Date:7/10/2014)... CA (PRWEB) July 10, 2014 Senior ... institutions and professional associations, addressed the challenges of “Reducing ... Medical Device Industries” through strategic sourcing. Describing the partnership ... with the Supply Chain Management Institute ( SCMI) ... event on June 24 at the Kroc Institute of ...
(Date:7/10/2014)... Russia , July 10, 2014 ... Federation Dmitry Medvedev , presented Russia,s ... company BIOCAD . The Company is developing a ... of MabNext project BIOCAD develops a number of innovative ... and autoimmune diseases. The ceremony took place at the ...
Breaking Biology Technology:Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 2Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 3Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 4Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 5A Critical Review of Analytical Techniques for Improved Living Standards 2A Critical Review of Analytical Techniques for Improved Living Standards 3A Critical Review of Analytical Techniques for Improved Living Standards 4Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 2Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 3Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 4Dmitry Medvedev Presented BIOCAD the First National "Industry" Award 2
... MADISON, WI - U.S. Representative Tammy Baldwin and Wisconsin ... will each receive federal grants of $2 million to ... ,Both based in Madison, Stratatech Corporation is ... skin, and Virent Technologies develops technologies that ...
... recently expressed concern to Department of Health and Human ... clinical research trials. , ,Institutional review boards are backlogged ... authorizations for use and disclosure of information, according to ... Indianapolis-based Eli Lilly. , ,In a response letter, ...
... NY - One certain consequence of the nearly $60 ... first bigwig out the door is Dr. Gran Ando, ... operations. Today, Celltech, one of Europe's biggest biotechnology companies, ... will see that the entire senior management of Pharmacia ...
Cached Biology Technology:Stratatech and Virent Win $4M in U.S. Grants 2Stratatech and Virent Win $4M in U.S. Grants 3Stratatech and Virent Win $4M in U.S. Grants 4Stratatech and Virent Win $4M in U.S. Grants 5Pfizer-Pharmacia Fallout Gives Celltech A CEO 2
(Date:7/10/2014)... organization of the International Science and Business Belt project ... researchers, led by professor Won Do Heo, have developed ... can remotely control specific receptors by light. They have ... with neuronal differentiation inducement. , The most significant feature ... to activate neuronal functions without the need of other ...
(Date:7/10/2014)... even improve the state of fisheries resources in ... Mediterranean has deteriorated over the past 20 years. ... reported in the Cell Press journal Current ... stringent monitoring of Mediterranean fishing activities, better enforcement ... Mediterranean waters. , Their data show that the ...
(Date:7/10/2014)... Institute for Interdisciplinary Research (MIIR) and the Marshall ... announced they will be partnering with an international ... Under the agreement with Shanghai-based HD Biosciences Co. ... and risks of discovery and development of these ... intellectual property and commercialization rights to products developed ...
Breaking Biology News(10 mins):New optogenetic tool for controlling neuronal signalling by blue light 2Mediterranean fish stocks show steady decline 2Marshall University to partner with international company in drug development venture 2
... . , Due to the large size of the ... they are millennia old but "there had never been a scientific ... Bernat Claramunt from the Centre for Ecological Research and Forestry Applications ... the ages of the famous olive trees and the oldest found ...
... 2012) Chlorothalonil, one of the world,s most common ... was lethal to a wide variety of freshwater organisms ... said Wednesday. Biologists Taegan McMahon and Jason Rohr, ... Ecology Letters , report that chlorothalonil killed amphibians, snails, ...
... event in reproductive medicine is less than two months away. ... - and ESHRE,s annual meeting one of the best sources ... promises to be as scientifically and clinically strong as ever. ... reproduction are expected this year. More than 1700 abstracts of ...
Cached Biology News:The millennium-old olive trees of the Iberian Peninsula are younger than expected 2USF study: Common fungicide wreaks havoc on freshwater ecosystems 2European Society of Human Reproduction and Embryology 28th Annual Meeting -- Istanbul 2
Cross reactivity to St. Louis encephalitis (MSI-7) is determined by ELISA....
RABBIT ANTI HUMAN ATR (aa2122-2380) Immunogen: Human ATR peptide, amino acids 2122-2380...
RABBIT ANTI D-TYROSINE CONJUGATE...
UV LAMP 300 NM 8W T5, 1 EA. Category: Nucleid Acid Detection Systems....
Biology Products: