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A TRIPARTITE PHYSICS-BASED MODEL FOR ORGANIC SOLAR CELLS

机译：基于三方物理学的有机太阳能电池模型

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In this paper, a tripartite macroscopic physics-based model is presented for analysis of organic solar cells (OSCs) in several aspects. This model is consisting of three sub-models (optical, electric and thermal models) which are also coupled to one another. The electric model estimates the current-voltage characteristic of an OSC considering the voltage-dependent series resistance. The 1-D optical model calculates the optical field all along the device that would be further advantageous in predicting the active layer exciton generation rate (input parameter of the electric model), optical heat generation (input parameter of the thermal model), etc. The 3-D steady-state (SS) resistive thermal model is also capable of determining the device SS temperature, also specifying the role of heat conduction, heat convection and heat radiation. These three models are verified individually with experimental data. The electric model is employed to illustrate the nonlinear series resistance in a typical OSC. The optical and thermal models are also combined to yield an opto-thermal model for thermal analysis of 1-D structured photovoltaic devices. It was found that convection (the air thermal conductivity), radiation and device architecture are three determinative parameters that may considerably alter the device SS temperature. This temperature increase may influence both the device efficiency and lifetime.
机译：在本文中，提出了一个基于三方宏观物理学的模型，用于从多个方面分析有机太阳能电池（OSC）。该模型由三个子模型（光学模型，电模型和热模型）组成，这三个子模型也相互耦合。电气模型考虑了与电压有关的串联电阻，从而估算了OSC的电流-电压特性。一维光学模型可计算整个设备的光场，这在预测有源层激子产生速率（电模型的输入参数），光学热量产生（热模型的输入参数）等方面将是更加有利的。 3-D稳态（SS）电阻热模型还能够确定器件的SS温度，还规定了热传导，热对流和热辐射的作用。这三个模型分别通过实验数据进行了验证。使用电模型来说明典型OSC中的非线性串联电阻。光学模型和热模型也被组合在一起，以产生用于对一维结构化光伏器件进行热分析的光热模型。发现对流（空气热导率），辐射和设备结构是三个决定性参数，可能会大大改变设备的SS温度。温度升高可能会影响器件效率和寿命。

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