Efficient CdTe/CdS solar cells and modules by spray processing

Albright, S.P.; Ackerman, Bruce; Jordan, J.F.

doi:10.1109/16.46379

Cited by 64 publications

(6 citation statements)

References 4 publications

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“…The CdTe-based polycrystalline solar cells are among the top contenders for terrestrial solar energy application, and several companies are already involved in developing modules based on this material [1,2]. The most successful device structure for this material is a heterostructure with a CdS window layer.…”

Section: Introductionmentioning

confidence: 99%

Nucleation and growth mechanism of CdTe cluster grown on CdS films

Castro-Rodrı́guez

Martel

Mendez-Gamboa

et al. 2007

Journal of Crystal Growth

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Section: Introductionmentioning

confidence: 99%

Nucleation and growth mechanism of CdTe cluster grown on CdS films

Castro-Rodrı́guez

Martel

Mendez-Gamboa

et al. 2007

Journal of Crystal Growth

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“…Therefore, CdTe films are nowadays objecting of study, given its importance as an absorbent layer in the CdS/CdTe solar cells. Commercial scale modules with efficiencies of 6-10 % [5][6][7][8][9] and the theoretical efficiency of 28-30 % [10,11] have been produced by several CdTe deposition techniques. Thus, different efforts in this way are currently performing to increase the efficiency such that intensive study of each component is required.…”

Section: Introductionmentioning

confidence: 99%

Effects of various deposition times and RF powers on CdTe thin film growth using magnetron sputtering

2016

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Cadmium telluride (CdTe) is a p-type II-VI compound semiconductor, which is an active component for producing photovoltaic solar cells in the form of thin films, due to its desirable physical properties. In this study, CdTe film was deposited using the radio frequency (RF) magnetron sputtering system onto a glass substrate. To improve the properties of the CdTe film, effects of two experimental parameters of deposition time and RF power were investigated on the physical properties of the CdTe films. X-ray Diffraction (XRD), atomic force microscopy (AFM) and spectrophotometer were used to study the structural, morphological and optical properties of the CdTe samples grown at different experimental conditions, respectively. Our results suggest that film properties strongly depend on the experimental parameters and by optimizing these parameters, it is possible to tune the desired structural, morphological and optical properties. From XRD data, it is found that increasing the deposition time and RF power leads to increasing the crystallinity as well as the crystal sizes of the grown film, and all the films represent zinc blende cubic structure. Roughness values given from AFM images suggest increasing the roughness of the CdTe films by increasing the RF power and deposition times. Finally, optical investigations reveal increasing the film band gaps by increasing the RF power and the deposition time.

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“…In a CdS/CdTe thin film solar cell, this is achieved by reducing thickness of the CdS layer. There are several reports where the value of 100 mA/cm 2 of Jsc was recorded which is greater than 24 mA/cm 2 [36][37][38]. In the following paragraphs, we present an analysis of various cell parameters influenced by the CdS layer thickness.…”

Section: Reduction In Thickness Of the Cds Window Layermentioning

confidence: 93%

Opto-Electronics Review

Lilhare,

Khare

2020

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The solar photovoltaic technology is one of the renewable technologies with the potential to shape a future-proof, reliable, scalable and affordable electricity system. It is important to provide better resources for any upcoming technology. CdS/CdTe thin films have long been considered as one enticing option for reliable and cost-effective solar cells to be developed. N-type CdS as a transparent window layer in heterojunction structures is one of the best choices for CdTe cells. In a solar cell structure, window layer material plays a very crucial role to improve its performance. For this reason, this review focuses on the basic and significant aspects such as importance of the window layer thickness, degradation effect, use of nano-wire arrays, and an ammonia-free process to deposit the window layer. Also, an attempt has been made to analyze various processes improving window layer properties. Necessary discussions have been included to review the impact of solar cell parameters on the above aspects. It is anticipated that this review article will fulfill the requirement of knowledge to be used in the fabrication of CdS/CdTe solar cells.

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Efficient CdTe/CdS solar cells and modules by spray processing

Cited by 64 publications

References 4 publications

Nucleation and growth mechanism of CdTe cluster grown on CdS films

Nucleation and growth mechanism of CdTe cluster grown on CdS films

Effects of various deposition times and RF powers on CdTe thin film growth using magnetron sputtering

Opto-Electronics Review

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