BibTex format
@article{Janssen:2013:10.1002/adma.201202873,
author = {Janssen, RAJ and Nelson, J},
doi = {10.1002/adma.201202873},
journal = {ADVANCED MATERIALS},
pages = {1847--1858},
title = {Factors Limiting Device Efficiency in Organic Photovoltaics},
url = {http://dx.doi.org/10.1002/adma.201202873},
volume = {25},
year = {2013}
}