30 Jan '12, 8pm

Take Nanocrystals, Add Boiling Water, and Get a 400-Fold Increase in Luminescence

Take Nanocrystals, Add Boiling Water, and Get a 400-Fold Increase in Luminescence

Just when you were about to throw out those old nanocrystals, a last minute shine from an ultraviolet light reveals previously non-existent luminescence. Is there a word for something that is even more serendipitous than serendipity? Perhaps we will have to invent one after Prashant Jain, out of habit, put some nanocrystals that he was about to throw out under an ultraviolet light and discovered a significant increase in their luminescence . Jain, now a chemist with the University of Illinois, was part of a team of researchers led by chemist Paul Alivisatos at the U.S. Department of Energy's Lawrence Berkeley National Laboratory. The team was looking at the "cation-exchange" technique for creating core/shell nanocrystals, in which one type of semiconductor is enclosed within another. While this type of nanocrystal and technique for making them added a new contestant to com...

Full article: http://spectrum.ieee.org/nanoclast/semiconductors/nanotec...

Tweets

8 Quick Ways to Increase Your AdWords CTR

8 Quick Ways to Increase Your AdWords CTR

searchengineland.com 30 Jan '12, 5pm

There are times you just want to increase your click-through rates. You might need to raise it to help Quality Scores, inc...

Prepare for increase in fees in open car parks

tankinlian.blogspot.com 30 Jan '12, 11pm

MR PAUL Chan said in his letter "Park funds in the right car park" (Jan 25) that "residents would prefer to use an open ca...

Next up in my resilient design series: water. Planning for drought and water shortages:

Next up in my resilient design series: water. P...

buildinggreen.com 31 Jan '12, 11pm

July, 2011 dust storm in Phoenix, Arizona. Photo: Militec, Inc. Click on image to enlarge. Periodic drought is something t...

SEMRush to Add Google AdSense Advertiser Report

SEMRush to Add Google AdSense Advertiser Report

searchenginewatch.com 30 Jan '12, 7pm

SEMRush will officially launch their new AdSense Advertiser Report as part of their SEO toolkit on Feb. 1. The report offe...