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Mixed FEM for quantum nanostructured solar cells

机译:量子纳米结构太阳能电池的混合有限元

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The gradient theory of piezoelectricity is developed for 3D analyses of QDs with the functionally graded lattice mismatch between the QD and the matrix. Governing equations in the gradient theory contain higher order derivatives than in conventional approaches. Then, it is needed to apply the C-1-elements for approximation of primary fields in the FEM. The mixed FEM with the C-0 continuous interpolation and collocation approach for kinematic constraints between strains and displacements is developed. The high-density arrays of quantum dots requires to consider various sizes for the representative volume element of the nanostructured solar cell created by the QD (InAs) and matrix (GaAs).
机译:开发了压电的梯度理论,用于QD与矩阵之间功能梯度晶格失配的QD的3D分析。与传统方法相比,梯度理论中的控制方程包含更高阶的导数。然后,需要在有限元法中应用C-1-元素近似主场。开发了C-0连续插值和搭配方法的混合有限元法,用于应变和位移之间的运动学约束。量子点的高密度阵列需要考虑由QD(InAs)和矩阵(GaAs)创建的纳米结构太阳能电池的代表性体积元素的各种尺寸。

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