Nantenna and SED/NED Nano-Emissive Displays - Solar Power

Reference Links
Nano-Emissive Display (SED/NED TV)
Nantenna Solar Panel
So - I was thinking about this idea of nantennas - basically a super solar panel. The link to Wikipedia above outlines the basic concept. The thing that I am thinking - if you read the other link, about SED/NED displays is that the NED/SED displays exist, and basically are the nantenna process in the reverse.
the Nantenna, visible and IR light goes in, and it moves electrons in a circuit. In a SED/NED display - (which does exist already) - is electrons moving in a circuit making photos go out.
So - my thinking is that we ALREADY have nantennas, and they have the potential to be over 80% efficient. (current commercial PV solar panels are about 20% efficient, so that's 4 times more efficient).
Even if they can make one that's 50% or 60% that's still almost triple the efficiency.
I have read that the average home solar installation has about 5kw of panels - which is not enough to provide all the power for the house, but it offsets some of its power needs and occasionally produces a surplus. With a nantenna you're looking at the same surface area producing 15 to 20kw, which would power the house in question and its neighbors.
We gotta get on that.

UPDATE:
I expanded on the above in my next post:
Suggestions for research into other applications of Nantennas

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