Windows can become solar panels

Traditional solar PV systems use modularly connected solar cells, the units can be large and for buildings with high energy needs they can be too large for the roof space available. Thankfully there is a new solution; a thin layer of quantum dots over the glass can make it into a solar panel.


Photo credit: Los Alamos National Laboratory


Vicor Klimmov (nanotechnology engineer at Los Alamos National Laboratory) says that using the already existing glass “simplifies the device; it makes it less expensive,”.

Vicor Klimmov’s method, detailed in Nature, uses nanometer-scale semiconductors called quantum dots, which can harness the energy from the sun’s rays. Applying the technology is relatively easy, a gel containing the quantum dots and a polymer is poured onto the glass and spread thinl, the glass can then be placed in a circuit to charge a battery.

Currently the technology has reached efficiencies of 1.9%, this proof of concept however, will allow further research to be carried out into improving on this and Klimmov believes that efficiencies as low as 6% will make the technology commercially viable.


For more information Click Here.

Written by TreeThinker

Passionate about the Earth and those who inhabit it. An engineer (BEng (Hons), MSEE) from Oxfordshire, UK, specialising in designing for a sustainable future. A member of the Society of Environmental Engineers and a keen environmental advocate who volunteers for several grass roots sustainability groups. I work full time as a project manager for a renewable energy company based in Oxford and also run ‘TreeThinker’ (; converting previous pasture land into a rich permaculture farm growing produce for sale locally. I deliver workshops on sustainable living, including building renewable energy technologies, as well as workshops for schools discussing 'Energy as a resource' amongst other topics. I am qualified in ‘Information, advice and guidance’ (level 4) and experienced at teaching practical skills. I'm also a keen cyclist and have a love of wordplay - writing a blog on etymology (

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