聚合物-富勒烯太阳能电池的电流-电压特性

Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002. Pub Date : 2002-05-19 DOI:10.1109/PVSC.2002.1190853

I. Riedel, V. Dyakonov, J. Parisi, L. Lutsen, D. Vanderzande, J. Hummelen

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引用次数: 2

摘要

研究了温度和光照强度对聚合物-富勒烯异质结太阳能电池电流-电压特性的影响。开路电压在200K-300K范围内随温度线性变化，在T=80K时接近930mV。短路电流密度和填充系数均为严格正的温度系数。这使得器件效率随着温度达到T=330K而稳步增加。短路电流密度几乎随光强线性增加。在260K ~ 330K温度范围内，入射光强度对填充系数的影响不显著。在较低的温度下，可以观察到填充系数的负斜率。由于最大功率点随光强呈次线性变化，因此当光强高于3mW/cm/sup 2/时，功率效率会下降。

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Current-voltage characteristics of polymer-fullerene solar cells

We have studied the influence of temperature and light intensity on the current-voltage characteristics of polymer-fullerene bulk-heterojunction solar cells. The open-circuit voltage varies linearly with temperature in the range 200K-300K and approaches a value of 930mV at T=80K. Strictly positive temperature coefficients were found for both, the short-circuit current density and the fill factor. These cause the device efficiency to increase steadily with temperature up to T=330K. The short-circuit current density increases almost linearly with light intensity. The fill factor is not significantly influenced by the incident light intensity in the temperature range from 260K to 330K. At lower temperatures, a negative slope of the fill factor is observed. Since the maximum power point varies sublinearly with light intensity, a decrease of the power efficiency is obtained at light intensities higher than 3mW/cm/sup 2/.

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来源期刊

Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002.

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