Navigation Links
U of T engineering breakthrough promises significantly more efficient solar cells
Date:3/7/2013

TORONTO, ON March 7, 2013: A new technique developed by U of T Engineering Professor Ted Sargent and his research group could lead to significantly more efficient solar cells, according to a recent paper published in the journal Nano Letters.

The paper, "Jointly-tuned plasmonic-excitonic photovoltaics using nanoshells," describes a new technique to improve efficiency in colloidal quantum dot photovoltaics, a technology which already promises inexpensive, more efficient solar cell technology. Quantum dot photovoltaics offers the potential for low-cost, large-area solar power however these devices are not yet highly efficient in the infrared portion of the sun's spectrum, which is responsible for half of the sun's power that reaches the Earth.

The solution? Spectrally tuned, solution-processed plasmonic nanoparticles. These particles, the researchers say, provide unprecedented control over light's propagation and absorption.

The new technique developed by Sargent's group shows a possible 35 per cent increase in the technology's efficiency in the near-infrared spectral region, says co-author Dr. Susanna Thon. Overall, this could translate to an 11 per cent solar power conversion efficiency increase, she says, making quantum dot photovoltaics even more attractive as an alternative to current solar cell technologies.

"There are two advantages to colloidal quantum dots," Thon says. "First, they're much cheaper, so they reduce the cost of electricity generation measured in cost per watt of power. But the main advantage is that by simply changing the size of the quantum dot, you can change its light-absorption spectrum. Changing the size is very easy, and this size-tunability is a property shared by plasmonic materials: by changing the size of the plasmonic particles, we were able to overlap the absorption and scattering spectra of these two key classes of nanomaterials."

Sargent's group achieved the increased ef
'/>"/>

Contact: Terry Lavender
terry.lavender@utoronto.ca
416-978-4498
University of Toronto Faculty of Applied Science & Engineering
Source:Eurekalert

Page: 1 2

Related biology technology :

1. Superior Controls of Seabrook, NH Named System Integrator of the Year for 2012 by Control Engineering Magazine
2. U.S. Tissue Engineering Markets
3. Smart, self-healing hydrogels open far-reaching possibilities in medicine, engineering
4. Global Genetic Engineering Industry
5. X-BODY BioSciences to Present Novel Methods of Selecting for Antibodies Against Targets on Live Cells at CHIs Protein Engineering Summit
6. Trinity College Dublins Neuroscience and Bioengineering Programmes Receive Postgraduate Course of the Year Awards
7. Reverse engineering epilepsys miracle diet
8. Bronstein, Gewirtz & Grossman, LLC Announces Investigation of American Oriental Bioengineering Inc.
9. Two Blades Foundation licenses genome engineering technology to KWS
10. Three Hertz Foundation Fellows Receive Presidential Honors; Leaders in Applied Physical, Biological and Engineering Sciences
11. New UCLA Engineering research center to revolutionize nanoscale electromagnetic devices
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/20/2014)... 20, 2014 The 6th Annual ... held on October 29-30 in San Francisco, CA. This ... and government researchers and clinicians focused on addressing and ... , In the twelve years since the sequencing of ... been introduced with pharmacogenetic information in the label and ...
(Date:8/20/2014)... ear could improve the health of your heart, researchers ... Leeds used a standard TENS machine like those designed ... the tragus, the small raised flap at the front ... canal. , The stimulation changed the influence of the ... signals that can drive failing hearts too hard. , ...
(Date:8/19/2014)... One of the major limitations in ... vascular supply. Nutrient and gas transport throughout synthetic ... for successful regeneration and integration into the patient’s ... vascularization and promote angiogenesis in a variety of ... and architecture, and enhancing scaffolds with stem cells. ...
(Date:8/19/2014)... DANVILLE, Pa. , Aug. 19, 2014 ... C has been nominated for a Centers for Disease ... to addressing a major public health concern. ... Health System, is one of a team of researchers ... (CDC) Charles C. Shepard Science Award for Data Methods ...
Breaking Biology Technology:6th Annual Personalized and Precision Medicine Conference Bringing Together Thought Leaders to Discuss Clinical Implementation, Dx Reimbursement, Big Data, and Sequencing 2'Tickling' your ear could be good for your heart 2Vascularization in Tissue Engineering Highlighted at 12th New Jersey Symposium on Biomaterials Science 2Geisinger investigator nominated for federal award 2Geisinger investigator nominated for federal award 3
... Haven, Conn.A team led by Yale University researchers has ... step toward the ultimate dream of building a quantum ... chip to successfully run elementary algorithms, such as a ... device for the first time. Their findings will appear ...
... run 30-second spot on Pyratine XR(TM) and Rosacea - , ... Bulletin Board: SNKTY), a Life Sciences company engaged in the ... announced today that on June 27, 2009 at 7:19 AM ... tetrahydropyranyl adenine) and rosacea, a condition afflicting more than 14 ...
... N.C., June 26 Syngenta Biotechnology, Inc. announced today ... Evogene, Ltd., focusing on identifying plant genes related to ... exclusive licensing rights to candidate genes discovered by Evogene ... is a soil parasite which attacks the roots of ...
Cached Biology Technology:Scientists create first electronic quantum processor 2Television News Segment Featuring Pyratine XR to Air to 18 Million + Households on DIRECTV NewsCluster 2Syngenta and Evogene to Collaborate on Soybean Nematode Resistance 2
(Date:8/21/2014)... pancreatitis involves the pancreas digesting itself resulting in severe ... the UK around 20,000 patients are diagnosed with the ... cure and treatment is restricted to intravenous fluid and ... Faculty of Life Sciences, who led the research, said ... from gall stones and excessive alcohol intake combined with ...
(Date:8/20/2014)... Cancer Institute (HCI) at the University of Utah have ... encodes BCR-ABL, the unregulated enzyme driving the blood cancer ... Society, nearly 6,000 new cases of CML will be ... tyrosine kinase inhibitors (TKIs), target BCR-ABL and are effective ... but control it in a way that allows patients ...
(Date:8/20/2014)... the University of Tbingen, Arizona State University, the Wellcome ... Health Institute (Swiss TPH) isolated Mycobacterium pinnipedii ... 1000 years old. The pathogen is a relative of ... causes disease in humans today. These researchers assume that ... coast. "The link to sea lions was unexpected" comments ...
Breaking Biology News(10 mins):Insulin offers new hope for the treatment of acute pancreatitis 2Blueprint for next generation of chronic myeloid leukemia treatment 2
... - University of Kansas scientists have found that infants ... acids (LCPUFA) from birth to 12 months scored significantly ... intelligence conducted between the ages of three to six ... on detailed tasks involving pattern discrimination, rule-learning and inhibition ...
... Ill. A successful program that increased the number ... consumption by 50 percent among Latino children had two ... "First, we got mothers and other relatives ... for Latinos. Many programs, delivered at school, target only ...
... Colorado Cancer Center member recently published in the journal ... young, female cancer survivors, quality of life is significantly ... survivors to 66 healthy controls and found that, as ... the general population. Of note, survivors reported particular stress ...
Cached Biology News:DHA-enriched formula in infancy linked to positive cognitive outcomes in childhood 2Latino families in study eat more fruits and veggies, drink less soda 2Latino families in study eat more fruits and veggies, drink less soda 3Perception of fertility affects quality of life in young, female cancer survivors 2
The VersArray hybridization chamber is used for manual (coverslip) hybridization of microarrays. The chamber accommodates 2 slides and is watertight to allow incubation of slides in a water bath. Dim...
... state-of-the-art separation system using the asymmetric flow ... integrates easily with Wyatts multi-angle light scattering ... as the Optilab DSP. The combined system ... of the particles/molecules separated by the AFFF ...
Monoclonal antibodies conjugated with rhodamine...
... Moticam 2300 camera (MC2300) attaches to virtually ... trinocular port. Included in the standard package, ... software offers quick and accurate image capture, ... for examination or documentation purposes. The MC2300s ...
Biology Products: