Transient Metastable Behaviour in Highly Efficient MZO/CdSeTe/CdTe Thin Film Solar Cells

被引：2

作者：

Togay, Mustafa ^{[1
]}

Greenhalgh, Rachael ^{[1
]}

Shimpi, Tushar ^{[2
]}

Walajabad, Sampath S. ^{[2
]}

Barth, Kurt L. ^{[2
]}

Walls, J. Michael ^{[1
]}

Bowers, Jake W. ^{[1
]}

机构：

[1] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, CREST, Loughborough LE11 3TU, Leics, England

[2] Colorado State Univ, NSF I UCRC Next Generat Photovolta, Ft Collins, CO 80526 USA

来源：

2021 IEEE 48TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2021年

基金：

英国工程与自然科学研究理事会;

关键词：

metastabilities; light soaking; annealing; preconditioning; degradation; MZO; CdSeTe; CdTe; Hall effect measurements;

D O I：

10.1109/PVSC43889.2021.9518997

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Metastability effects have been investigated in high efficiency MZO/CdSeTe/CdTe solar cells. Different preconditioning procedures have been studied that are used to recover the performance of the devices. J-V characteristics before preconditioning have shown an 'S' shaped behaviour which is removed during preconditioning. However, this recovery remained only for 3 days while the devices were maintained under vacuum in the dark. Temperature dependent J-V and capacitance measurements before and after preconditioning revealed the presence of recombination centres and defect levels at the MZO/absorber interface. Previous studies have shown degradation of MZO occurring if the layer is exposed to the atmosphere. Hall effect measurements on the MZO films showed no significant changes after any preconditioning or CdCl2 treatment.

引用

收藏

页码：637 / 642

页数：6

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