Thin film CdS/CdTe solar cells fabricated by electrodeposition

Kim, D.; Pozder, S.; Qi, Bo; Zhu, Y.; Furtak, T. E.; Williamson, D. L.; Trefny, J. U.

doi:10.1063/1.45761

Cited by 4 publications

(3 citation statements)

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“…During over-activation in atmospheric conditions, we have observed a variety of dendrtic microstructure forming at the front interface of FTO/CdSeTe/CdTe devices. Observations of such defects has not been widely reported or well undersood The phenomenon has been reported previously in CdTe nanoparticles [7] and has also been observed to occur in CdS/CdTe devices [8], but not in the more recent selenium enhanced CdTe devices. Using a light microscope, the defects appear as white spots that conglomerate into dendritic patterns.…”

Section: Introductionmentioning

confidence: 82%

“…Using a light microscope, the defects appear as white spots that conglomerate into dendritic patterns. These have been thought to be cadmium metal or a cadmium rich phase [8].…”

Section: Introductionmentioning

confidence: 99%

“…A mechanism for dendrite formation has been suggested to be due to an uneven CdCl2 activation or vapor transport of cadmium from the surrounding areas to localised spots [8]. The activation in an oxygen environment may produce a range of oxides.…”

Section: Introductionmentioning

confidence: 99%

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The Formation of Dendrites in Overtreated CdSeTe/CdTe Solar Cells

Kornienko,

Jones,

Curson

et al. 2023

2023 IEEE 50th Photovoltaic Specialists Conference (PVSC)

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Aggressive cadmium chloride activation conditions (up to 470°C)of a FTO/CdSeTe/CdTe device in an oxygen enviroment resulted in the formation of dendrites at the front and back of the device. The majority was at the front interface (FTO/CdSeTe). Optical Microscopy and X-ray Photoelectron Spectroscopy (XPS) were used to study their morphology and chemical composition. Optical images revealed that the dendrites grow >500µm in length causing a range of discolourations from oxidation (dark brown/pink). The XPS analysis provides has evidence for the presence of cadmium oxychlorides.

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Section: Introductionmentioning

confidence: 82%

“…Using a light microscope, the defects appear as white spots that conglomerate into dendritic patterns. These have been thought to be cadmium metal or a cadmium rich phase [8].…”

Section: Introductionmentioning

confidence: 99%