Artificial leaf jumps developmental hurdle

Scientists report advances toward perfecting a functional artificial leaf. Designing an artificial leaf that uses solar energy to convert water cheaply and efficiently into hydrogen and oxygen is an important goal. Hydrogen is an important fuel in itself and serves as an indispensible reagent for the production of light hydrocarbon fuels from heavy petroleum feed stocks. Society requires a renewable source of fuel that is widely distributed, abundant, inexpensive and environmentally clean. Society needs cheap hydrogen.
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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/cJ_b3LxKDEk/140218124430.htm