Sprayable Solar Panels?

The University of Sheffield and University of Cambridge have also created solar cells that you can spray onto surfaces including windows, car roofs, and buildings. The aim is to provide low-cost solar technology for developing countries and could drive more innovative applications.

http://www.techrepublic.com/article/10-ways-alternative-energy-is-about-to-change-the-way-tech-gets-powered/#.