Non-steady state operation of polymer/TiO2 photovoltaic devices

Conference item

Data of the initial period of operation of polymer/TiO2 composite solar cells (CSC) in a non-steady state regime was investigated. The transient behavior is accounted for using an equivalent circuit model (ECM) of the photovoltaic device with time-dependent resistors. It was found that the kinetics and the magnitude of the changes in the device parameters were affected by the materials employed in the bi-layer cells as well as by the spectral range and the intensity of the incident light. It was observed that the open circuit voltage of the cells decreases much more rapidly in measurements done without a UV filter, and it can fall to several mV in a matter of 30 minutes of illumination.

Authors: Kirov, K; Burlakov, V; Carey, M; Henry, B; Xie, Z

• Publication status: Published
• Journal: NANOSTRUCTURED MATERIALS IN ALTERNATIVE ENERGY DEVICES
• Volume: 822
• Pages: 71-76
• Publication date: 2004-01-01
• Event title: Symposium on Nanostructured Materials in Alternative Energy Devices
• ISSN: 0272-9172
• ISBN: 1558997725
• Keywords: ORIGIN; OPEN-CIRCUIT VOLTAGE