News: Energy and Environment

An article in the journal ACS Applied Materials and Interfaces, describing work from Princeton CBE, was among the journal’s three most-read articles for September 2013.
In organic photovoltaic devices, the active layer must simultaneously be thin enough that the electrons and holes can easily be collected, yet thick enough to absorb much of the solar radiation landing upon it. In an article published recently in Nature Photonics, a Princeton team has come up with an ingenious solution to this conundrum.
In the lab down the hall from Bruce Koel’s new office, the temperature is about to go up over 11 million degrees Centigrade in a hot tub-sized chamber that cradles the energy of a burning star.