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To: R K Oines who wrote (34783)	8/30/2004 12:19:13 AM
From: t4texas	Respond to of 206089

i see now on pages 9 and 10 of that japan prize link there is a bit more info on the TiO2 reaction, but i have yet to find a paper where the chemical mechanism is illustrated and described. japanprize.jp

To: R K Oines who wrote (34783)	8/30/2004 12:57:09 AM
From: t4texas	Respond to of 206089

i just hope that some material works for this type of catalytic reaction with sunlight. the tio2 appears to have a very, very low efficiency (i saw 0.4% in the fujishima article.), but the tio2 and the sunlight are very, very cheap to keep. the nsw profs profess that 10% efficiency can be achieved in seven years. i feel fairly secure in saying that if enough money and smart science people get on the hunt for other, more efficient compounds and processes, some good things will happpen to move this type of hydrogen extraction from water to a commercially viable level. when i heard the bush admin talk about hydrogen for the future, my first reaction was yea, sure. how many nuclear reactors were we going to try that on until gridlock sets in. bwdik. the tio2 reaction in water and sunlight is known to work although very inefficiently at this time. tio2 or other developed/discovered materials, scientists, engineering, and more money will surely yield some commercial hydrogen opportunities that are not burdened by government subsidies forever. perhaps naively i feel better.

To: R K Oines who wrote (34783)	8/30/2004 2:35:19 AM
From: t4texas	Read Replies (1) \| Respond to of 206089

this will bore some people, but from "nature" in 2001 these scientists got hydrogen using some completely different compounds But were able to use visible light as well as uv light in the process to obtain the hydrogen. use of visible light as well as ultraviolet light improves the efficiency of the catalytic process. for those willing to wade through the text, the top right paragraph descibes qualitatively the mechanism by which the material splits the water into hydrogen and oxygen. netserv.ipc.uni-linz.ac.at