JUNE 8-13, 2014 • DENVER, COLORADO
87
TECHNICAL PROGRAM
2:00
(253) Cathodoluminescence Study of Carrier
Transport Across Grain Boundaries in CdTe
Harvey L Guthrey
1
, John Moseley
1,2
, James Burst
1
,
Wyatt Metzger
1
, Mowafak Al-Jassim
1
1
National Renewable Energy Laboratory, Golden,
CO, USA,
2
Colorado School of Mines, Golden, CO,
USA
2:15
(254) Dual Sensor Technique for the Advanced
Characterization Of Recombination Parameters
in Photovoltaic Materials
Richard Ahrenkiel
1,2
, Steve Johnston
2
, Darius
Kuciauskas
2
, Jerry Tynan
2
1
Lakewood Semiconductors, Lakewood, CO, USA,
2
National Renewable Energy Laboratory, Golden,
CO, USA
2:30
Best Student Presentation Award Finalist
(255) Photovoltaic Material Characterization with
Steady-State and Transient Photoluminesence
Xufeng Wang
1
, Jayprakash Bhosale
1
, James Moore
1
,
Rehan Kapadia
2,3
, Peter Bermel
1
, Ali Javey
2,3
, Mark
Lundstrom
1
1
Electrical and Computer Engineering, Purdue
University, West Lafayette, IN, USA,
2
Electrical
Engineering and Computer Sciences, University of
California, Berkeley, CA, USA,
3
Material Sciences
Division, Lawrence Berkeley National Laboratory,
Berkeley, CA, USA
2:45
(256) Photoluminescence Image Evaluation
Based on an Alternative Equivalent Circuit, Not
Assuming a Constant Short Circuit Current
Density
Otwin Breitenstein
1
, Höffler Halles
2
, Haunschild
Jonas
2
1
Max Planck Institute of Microstructure Physics,
Halle, Germany,
2
Fraunhofer Institute of Solar
Energy Systems (ISE), Freiburg, Germany
Area 10 - Orals
1:30 - 3:00 PM
Ballroom 1CD
System Performance Measurements and Validation
Chair(s): Evan Riley, Lauren Ngan
1:30
(257) PV System Energy Test
Sarah Kurtz
1
, Janine Freeman
1
, Evan Riley
2
, Tim
Dierauf
3
, Robert Flottemesch
4
, Pramod Krishnani
5
1
National Renewable Energy Laboratory, Golden,
CO, USA,
2
Black & Veatch, San Francisco, CA,
USA,
3
SunPower Corporation, San Jose, CA, USA,
4
Constallation, Baltimore, MD, USA,
5
Belectric, Newark,
CA, USA
2:00
(258) Measuring Soiling Losses at Utility-scale PV
Power Plants
Michael Gostein
1
, J. Riley Caron
2
, Bodo Littmann
2
1
Atonometrics, Austin, TX, USA,
2
First Solar, San
Francisco, CA, USA
2:15
(259) Diffuse Shading Losses in Tracking Photovoltaic
Systems
Owen W Westbrook, Mark Reusser, Forrest Collins
juwi solar Inc, Boulder, CO, USA
