This is an old question but still valid for the development of organic solar cells.

I think the major obstacle in commercializing the organic solar cells is their lower photconversion efficiency. In addition to their long-term stability. They are far inferior than the metallic solar cells and also against the new promising perovskite solar cells. Perovskite solar cells receive very intensive research to surpass their difficulties such as the longterm instability and the toxicity of some of their constituents.

There is also tremendous advancements in thin film silicon solar cells which makes tremendous semicondcutor material saving.

We developed a new type of heavily doped silicon solar cells that have high efficiency and can be fabricated from lower cost heavily doped silicon.

I would like that you consider such effort and push it forward with us.

For the structure please see tha paper in the link: Article Performance Enhancement of a Proposed Solar Cell Microstruct...

Best wishes

Please Read this - Heliatek achieves 12% organic solar cell efficiency http://optics.org/news/4/1/36 -- Heliatek says that thanks to OPV’s unique behaviour at high temperatures and low light conditions – when its performance either improves or remains stable – the 12% efficiency figure is equivalent to about 14% to 15% efficiency of traditional solar technologies such as crystalline silicon and thin film PV. Also see - .Flexible solar cell reaches 20.4% efficiency -- http://www.eetimes.com/design/smart-energy-design/4405415/Flexible-solar-cell-reaches-20-4--efficiency http://www.extremetech.com/extreme/144027-stanford-creates-flexible-high-efficiency-peel-and-stick-solar-cells. Flexible solar cell research --http://en.wikipedia.org/wiki/Flexible_solar_cell_research

It is good to keep a track of the latest info using the web and check .Wikipedia. Goggling gives good results.

Germany had 50% of its energy by Solar Last April. on a single day. - Solar electricity world record: Germany cranks half its power with PV - producing at 22 gigawatts http://www.smartplanet.com/blog/intelligent-energy/solar-electricity-world-record-germany-cranks-half-its-power-with-pv/16354

In California for more than six hours, solar was producing more power than any other renewable energy source in California. In August 2012 - 1,300 megawatts of power over a three-hour period of time: https://www.facebook.com/photo.php?fbid=516142355095888&set=pb.100001003836883.-2207520000.1361598536&type=3&theater

Main problem is to get a SMART grid and distributed Solar Generation to get higher Percentage.

When many countries get interconnected with large HV DC Transmission Links without storage we will be able meet all the Power needs

Read the following http://www.go100percent.org/cms/

http://www.renewables100.org/programs/

Renewables GLOBAL FUTURES REPORT 2013.

http://new.ren21.net/Portals/0/REN21_GFR_2013_print.pdf

GENI — Linking Renewable Energy Resources Around the World

http://www.geni.org/ --

http://www.geni.org/globalenergy/library/technical-articles/generation/general-renewable-energy/san-francisco-chronicle/world-can-be-powered-by-alternative-energy-in-20-40-years/index.shtml

http://www.geni.org/globalenergy/library/technical-articles/generation/general-renewable-energy/sustainablebuisiness.com/100-percent-renewable-energy-indeed-possible-say-stanford-u-researches/index.shtml

100% Renewable Energy: Becoming the New Normal?

Read more at http://cleantechnica.com/2013/02/22/100-renewable-energy-becoming-the-new-normal/#SewaUFUMD0dMgEMf.99

Please visit Solar Energy India FB for info on India https://www.facebook.com/groups/388347794570992/

A good uncorrupted political will Must be there and the Present OIL and COAL producers and the business people will not allow the Solar Energy to come up quickly. To conclude -- https://www.facebook.com/photo.php?fbid=513123522064438&set=pb.100001003836883.-2207520000.1361600696&type=3&theater

Technical problems of system stability with highly varying Solar energy has to be solved by interlinking all countries around the world. More development in SMART grid higher efficient lower cost solar PV are to be developed. It is happening slow and steadily

https://www.facebook.com/photo.php?fbid=513563568687100&set=pb.100001003836883.-2207520000.1361600696&type=3&theater

http://en.wikipedia.org/wiki/File:PVeff(rev130212).jpg

CPV and CSP bring higher efficiency with some storage as well. When storage costs drop we can absorb more Solar in to the grid.

Level playing field must be given in giving subsidy like what is given to Coal and OIL fuel production and Generation. Renewables get very small percentage of the funding recived by fosile fuels and Nuclear Reactors!

Please feel free to post any questions or clarification you may have.

Best Wishes

K.Gnanalingam Canada

Thanks for your kind information

My great pleasure if it is valuable to you.

This is an old question but still valid for the development of organic solar cells.

I think the major obstacle in commercializing the organic solar cells is their lower photconversion efficiency. In addition to their long-term stability. They are far inferior than the metallic solar cells and also against the new promising perovskite solar cells. Perovskite solar cells receive very intensive research to surpass their difficulties such as the longterm instability and the toxicity of some of their constituents.

There is also tremendous advancements in thin film silicon solar cells which makes tremendous semicondcutor material saving.

We developed a new type of heavily doped silicon solar cells that have high efficiency and can be fabricated from lower cost heavily doped silicon.

I would like that you consider such effort and push it forward with us.

For the structure please see tha paper in the link: Article Performance Enhancement of a Proposed Solar Cell Microstruct...

Best wishes

Thank you Professor for your valuable explanation. Article suggestion.