The ability to generate not just a single material with
improved properties, but multiple materials (of different structure and/or
composition) with these properties would, no doubt, increase the probability
that at least one of these candidates could be integrated successfully into a
commercial technology. Combinatorial chemistry the technique of creating vast
numbers of compounds by reacting a set of components in all possible combinations
at once has been adopted nearly universally by the pharmaceutical industry in
their search for new drugs.
Synthetic strategies in these industries, unlike
pharmaceuticals, vary from thin film methods such as physical and chemical
vapor deposition to more traditional bulk techniques and the use electrochemical
methods.screening strategies can also vary widely, depending on the targeted
application of the material. In another proof of concept study, selim senkan of
university of California at los angeles has employed resonant enhanced multiphotonionization
to examine the catalytic dehydrogenation of cyclohexane to benzene.
As a final example illustrating the power of the
combinatorial approach, we consider heterogeneous catalysts for the oxidative dehydrogenation
of ethane to ethylene. On the order of 20 ago. Youang and coworkers at union
carbide investigatied this reaction over mixed metal oxides and found that
those composed of Mo, V and Nb provided superior performance, particularly at
low temperatures.
source : proquest
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