photocatalysis Archives – The Green Optimistic green tech news, since 2008 Wed, 27 Jul 2016 11:28:20 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Grass – The New Source of Cheap Hydrogen Fuel https://www.greenoptimistic.com/grass-new-sourse-cheap-hydrogen-for-fuel-20160727/ https://www.greenoptimistic.com/grass-new-sourse-cheap-hydrogen-for-fuel-20160727/#respond Wed, 27 Jul 2016 11:28:10 +0000 https://www.greenoptimistic.com/?p=60289 Scientists from Cardiff University claim to have found a rapid and affordable way to generate hydrogen using common grass. Hydrogen fuel is undoubtedly one of the best renewable alternatives to fossil fuels. It has incredible energy content and it does not emit any polluting gasses. Unfortunately, current methods for producing hydrogen are the exact opposite […]

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]]> https://www.greenoptimistic.com/grass-new-sourse-cheap-hydrogen-for-fuel-20160727/feed/ 0 60289 Solar Powered Coating Developed for Self-Cleaning Surfaces https://www.greenoptimistic.com/solar-powered-coating-developed-for-self-cleaning-surfaces-20120718/ https://www.greenoptimistic.com/solar-powered-coating-developed-for-self-cleaning-surfaces-20120718/#respond Wed, 18 Jul 2012 17:58:37 +0000 https://www.greenoptimistic.com/?p=25539 Today’s technology is not just about smart gadgets, but also about smart materials that possess self-cleaning capabilities as well. Talking about progress, even cleaning is becoming more time and energy-efficient. Scientists belonging to the Fraunhofer Photocatalysis Alliance, which is composed of ten Fraunhofer Institutes, are conducting research on titanium dioxide. Titanium dioxide is a photocatalyst; […]

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]]> https://www.greenoptimistic.com/solar-powered-coating-developed-for-self-cleaning-surfaces-20120718/feed/ 0 25539 Photocatalysis-Based Water Purifier Uses Sunlight to Break Down Impurities https://www.greenoptimistic.com/photocatalysis-water-purifier-20110111/ https://www.greenoptimistic.com/photocatalysis-water-purifier-20110111/#comments Tue, 11 Jan 2011 17:25:55 +0000 https://www.greenoptimistic.com/?p=16680 Cleaning water effectively so it becomes potable is an important issue in poor countries nowadays. Using solar power, a team from the Hong Kong Polytechnic University led by Xuming Zhang, built a water purifier that improves the technology with a novel approach.

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