Effect of cell thickness on the electrical and optical properties of thin film silicon solar cell

IF 5 2区物理与天体物理 Q1 OPTICS Optics and Laser Technology Pub Date : 2017-12-01 Epub Date: 2017-06-29 DOI:10.1016/j.optlastec.2017.06.009

A.A. Zaki , A.A. El-Amin

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引用次数: 15

Abstract

In this work Electrical and optical properties of silicon thin films with different thickness were measured. The thickness of the Si films varied from 100 to 800 μm. The optical properties of the cell were studied at different thickness. A maximum achievable current density (MACD) generated by a planar solar cell, was measured for different values of the cell thickness which was performed by using photovoltaic (PV) optics method. It was found that reducing the values of the cell thickness improves the open-circuit voltage (V_OC) and the fill factor (FF) of the solar cell. The optical properties were measured for thin film Si (TF-Si) at different thickness by using the double beam UV-vis-NIR spectrophotometer in the wavelength range of 300–2000 nm. Some of optical parameters such as refractive index with dispersion relation, the dispersion energy, the oscillator energy, optical band gap energy were calculated by using the spectra for the TF-Si with different thickness.

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电池厚度对薄膜硅太阳能电池电学和光学性能的影响

本文测量了不同厚度硅薄膜的电学和光学性能。Si薄膜的厚度在100 ~ 800 μm之间。研究了不同厚度下电池的光学特性。利用光伏光学方法测量了不同厚度下平面太阳能电池的最大可达电流密度(MACD)。研究发现，减小电池厚度可以提高太阳能电池的开路电压(VOC)和填充系数(FF)。采用双光束紫外-可见-近红外分光光度计在300-2000 nm波长范围内测量了不同厚度的薄膜Si (TF-Si)的光学性质。利用光谱计算了不同厚度TF-Si的折射率与色散关系、色散能、振子能、带隙能等光学参数。

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems