Nano-cables convert light into electricity

The nano-cables developed by Takanori Fukushita of Tokyo Japan are 16 nanometres in diameter and several micrometres long. They resemble the light-harvesting antennae used by some bacteria and transform light into electricity in a similar way to the semiconductors in solar panels, albeit on a much smaller scale.

“This is the first example of a photoconducting nanostructure,” says Takanori Fukushita of the University of Tokyo, Japan, a member of the team that built the cables.

The hollow cables can grow up to several micrometres long. To build them, Fukushita and colleagues created a compound containing hexabenzocoronene (HBC), two carbon-12 chains, and trinitrofluorenone (TNF). They placed the compound in a solution of tetrahydrofuran and bubbled methane vapour though it, causing the compound to self-assemble into hollow cables.

The HBC, which sheds electrons when hit by light, formed the inside of the cable wall, and the TNF, which readily accepts electrons, coated the outside of the wall.

At the moment, the cables cannot produce usable electricity from sunlight alone, as current does not flow well through the outer layer of TNF. The next step, Fukushita says, is to modify the outer layer, perhaps by attaching carbon-60 molecules (buckyballs), so it acts as a semiconductor and allows more current to flow.

Once this has been achieved, the nanocables could be fitted to nano-sized robots or micro-machines and power their movements, suggests Franz Würthner at the University of Würzburg in Germany. Their similarity in size and function to the antennae used by bacteria for photosynthesis means it might also be possible to connect them to such organisms, creating hybrid devices, he says.




About The Author

Tags: ,

Add comment

E-mail is already registered on the site. Please use the Login form or enter another.

You entered an incorrect username or password

Sorry, you must be logged in to post a comment.

2 comments

by Newest
by Best by Newest by Oldest
1

Check this out for FREE...

This opportunity says:

"Your Ad" Will Be Instantly Displayed on Thousands of Websites and Read By Over 10 Million People Per Week For FREE, and It Only Takes 60 Seconds To Get Started!

To find out more visit: http://myviralads.com/?affiliate=8559" REL="nofollow"> network marketing site. It successfully exposes FREE information covering Traffic and network marketing related stuff.

2

Congradulations on a well written, interesting and superb blog! Have you heard about the shocking news?

1000's of real people are earning quiet fortunes from home using the most ingenious automated system ever invented.

Are you curious to find out what this is all about?

Why not? You have nothing to lose.

You can sign up for this system absolutely free of charge and check it all out for yourself.

To start off, we have a video presentation for you to watch. Just turn up the speakers if you can, and click on the link below.

Have fun and open your mind.

It is all right here: http://www.global-mlm-money-machine.ws" REL="nofollow"> sophisticated It successfully covers sophisticated related stuff.

Come and check it out now, Scott 🙂