2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2 2012
DOI: 10.1109/pvsc-vol2.2012.6656703
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The impact of selenisation on damp heat degradation of the CIGS back contact molybdenum

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Cited by 5 publications
(15 citation statements)
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“…The microscopic images taken from the module's back side (Figure 10a) show that the degradation takes place mostly along the scribes. The milky appearance of the degraded Mo layer is attributed, in accordance with several studies on CIGS degradation due to moisture ingress, to the formation of non‐conductive oxides, MoO x (typically with 2 < x < 3) or Mo (OH) 3 8,10,31–33 . Additionally, it is reported that the formation of the oxide layer is highly inhomogeneous and often starts at positions that were already damaged 8 .…”
Section: Resultssupporting
confidence: 84%
“…The microscopic images taken from the module's back side (Figure 10a) show that the degradation takes place mostly along the scribes. The milky appearance of the degraded Mo layer is attributed, in accordance with several studies on CIGS degradation due to moisture ingress, to the formation of non‐conductive oxides, MoO x (typically with 2 < x < 3) or Mo (OH) 3 8,10,31–33 . Additionally, it is reported that the formation of the oxide layer is highly inhomogeneous and often starts at positions that were already damaged 8 .…”
Section: Resultssupporting
confidence: 84%
“…16 The formation of MoSe 2 at the interface between the molybdenum and CIGS improves the stability of molybdenum, particularly to oxidation. 9,15 Additionally, Na-and Se-containing products were observed on the surface of degraded molybdenum layer after DH tests. 15,17,18 The CIGS absorber is not considered to be the most sensitive cell component to humidity in accelerated weathering tests.…”
Section: Introductionmentioning
confidence: 98%
“…Concerning the back contact, molybdenum (Mo) remains the material of choice because of its good conductivity, resistance to high temperatures 12 and limited diffusion in the CIGS layer. 15 However, it is very sensitive to humid environments, causing failure of the cell. 14 The scribes usually named P2 (interfacing the molybdenum and AZO layer) and P3 (interfacing the molybdenum with the atmosphere), necessary to create the series interconnected structures to reduce photocurrent and resistance losses, are especially sensitive to humidity.…”
Section: Introductionmentioning
confidence: 99%
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