The moisture - absorbing
photocatalytic paint can be applied to any surface such as building facades, introducing the novel capability of generating hydrogen fuel just about anywhere.
Not exact matches
The only way to do it cheaply is with photovoltaics or a
photocatalytic agent that is as cheap as
paint.
Also, «A field trial in London did not show strong evidence of reduced NOx concentrations due to the
photocatalytic surface and it was difficult to discern any clear effect that could be attributed to the influence of the
paint.»