[citation][nom]warezme[/nom]If this is so efficient at absorbing light and converting to heat why not use it to absorb multiple frequencies and have it directly absorb light from the sun and convert it to heat to run a steam engine or similar? A small surface area would produce tremendous heat.[/citation]You don't need such a new tech to do that.
http/en.wikipedia.org/wiki/Solar_thermal_collector
http/en.wikipedia.org/wiki/Solar_thermal_collector