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    Al2O3 Surface Passivation Characterized on Hydrophobic and Hydrophilic c-Si by a Combination of QSSPC, CV, XPS and FTIR

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    Abstract In this work, the influence of the c-Si surface finishing (hydrophobic/hydrophilic) prior to the deposition of the Al2O3 passivation layer on the passivation quality is investigated. The samples are characterized by a combination of Quasi-Steady-State-PhotoConductance (QSSPC) Capacity-Conductance (CV), X-ray Photoelectron Spectroscopy (XPS) and Fourier Transformed InfraRed (FTIR) measurements. Furthermore, FTIR measurements are used to determine the thickness of interfacial SiOx layer
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