TY - GEN AU - Lüer L. PY - 2012 DO - 10.1364/e2.2012.et2d.1 UR - http://hdl.handle.net/20.500.12614/2231 T2 - Optical Instrumentation for Energy and Environmental Applications, E2 2012 LA - en TI - Environmental effects on the long-term stability of bulkheterojunction organic photovoltaic cells TY - conference paper ER -