most citedDirect measurements of band gap grading in polycrystalline CIGS solar cells

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physics.optics2010★ 1 cited

Direct measurements of band gap grading in polycrystalline CIGS solar cells

M. P. Heinrich, Z-H. Zhang, Y. Zhang +4

We present direct measurements of depth-resolved band gap variations of CuIn(1-x)Ga(x)Se2 thin-film solar cell absorbers. A new measurement technique combining parallel measurement…