%0 Journal Article %A Pei Zhai %A Sophia Haussener %A Joel W Ager %A Roger Sathre %A Karl Walczak %A Jeffery B Greenblatt %A Thomas E McKone %B Energy and Environmental Science %D 2013 %N 8 %P 2380-2389 %R 10.1039/C3EE40880A %T Net primary energy balance of a solar-driven photo-electrochemical water-splitting device %V 6 %! Energy Environ. Sci.