Connect with us

Hi, what are you looking for?

CleanTechnica

Solar Cells

Dye-Sensitized Solar Cells Reach Highest Efficiency Ever

dye-sensitized solar cells

Chinese and Swiss researchers announced earlier this week that they have reached the highest efficiency yet for dye-sensitized solar cells (Grätzel cells). The photovoltaic cells are cheaper than silicon-based solar cells, but until this week’s discovery their drawbacks have outweighed their benefits.

In the past, Grätzel cells have been inefficient at converting light into electricity, and their performance dropped after only short exposure to sunlight.

The research team, which included dye-sensitized solar cell inventor Michael Grätzel, used solar cells made with ruthenium-based dye to increase their light-harvesting ability. The new technique yielded efficiency levels as high as 10 percent—a record for this type of solar cell. Additionally, the cells retained over 90 percent of their initial output after 1,000 hours in the sun.

While silicon-based solar cells have typical efficiencies of about 12 percent, they are significantly more expensive to produce. And since the prohibitive cost of silicon solar cells prevents many homes and businesses from committing to solar energy, a cheaper solution should be welcomed.

Photo Credit: National Renewable Energy Laboratory

 

Advertisement
 
Appreciate CleanTechnica’s originality? Consider becoming a CleanTechnica Member, Supporter, Technician, or Ambassador — or a patron on Patreon.
 
Have a tip for CleanTechnica, want to advertise, or want to suggest a guest for our CleanTech Talk podcast? Contact us here.

Written By

was formerly the editor of CleanTechnica and is a senior editor at Co.Exist. She has contributed to SF Weekly, Popular Science, Inhabitat, Greenbiz, NBC Bay Area, GOOD Magazine, and more. A graduate of Vassar College, she has previously worked in publishing, organic farming, documentary film, and newspaper journalism. Her interests include permaculture, hiking, skiing, music, relocalization, and cob (the building material). She currently resides in San Francisco, CA.

Comments

You May Also Like

Clean Power

Ford South Africa’s assembly plant is now generating 35% of its electricity needs onsite from a newly commissioned 13.5 MW solar carport system. Through...

Clean Power

Capo VW goes solar as the California sun shines!

Clean Power

New technology for constructing taller wind turbines will open up the wind power floodgates in the US Southeast.

Clean Power

Green hydrogen is going down in cost, and concentrating solar power could pick up the pace by ditching electrolysis in favor of a thermochemical...

Copyright © 2021 CleanTechnica. The content produced by this site is for entertainment purposes only. Opinions and comments published on this site may not be sanctioned by and do not necessarily represent the views of CleanTechnica, its owners, sponsors, affiliates, or subsidiaries.