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The effect of NaF precursors on low temperature growth of CIGS thin film solar cells on polyimide substrates by Raquel Caballero; Christian A. Kaufmann; Tobias Eisenbarth; Thomas Unold; Susan Schorr; Raik Hesse; Reiner Klenk; Hans-Werner Schock is a Materials Science article available to read on EtoBox.
What is The effect of NaF precursors on low temperature growth of CIGS thin film solar cells on polyimide substrates about?
## Abstract The aim of this work is to study the effect of Na on low temperature growth of CIGS solar cells on polyimide (PI) substrates. The Na is introduced via evaporation of a NaF precursor layer prior to the absorber deposition. As reported previously, the devices at nominal __T__~sub,max~ = 500 °C are characterized by a higher __V__~oc~ when the Na content increases. However, lowering process temperature to nominally 450 °C together with high Na concentration produces a pronounced band gap grading through the absorber layer, as detected by energy dispersive X‐ray spectroscopy (EDX). The absorber layers and the devices were studied by grazing incidence X‐ray diffraction, external quantum efficiency and drive level capacitance profiling. A limit __T__~sub,max~ is identified as detrimental on the PV performance when high Na concentration is added, mainly due to a reduced __V__~oc~. 12.2% of efficiency (active area) is achieved reducing the Na concentration for the lower __T__~sub,max~. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Who reads The effect of NaF precursors on low temperature growth of CIGS thin film solar cells on polyimide substrates?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Raquel Caballero; Christian A. Kaufmann; Tobias Eisenbarth; Thomas Unold; Susan Schorr; Raik Hesse; Reiner Klenk; Hans-Werner Schock
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley; Wiley - V C H Verlag GmbbH & Co. (ISSN 0031-8965)
- Published
- 2009
- Language
- EN
- Field
- Materials Science (Physical Sciences)