Solar cell efficiency tables (version 50)

Green, Martin A.; Hishikawa, Yoshihiro; Warta, Wilhelm; Dunlop, Ewan D.; Levi, Dean H.; Hohl‐Ebinger, Jochen; Ho‐Baillie, Anita

doi:10.1002/pip.2909

Cited by 844 publications

(509 citation statements)

References 36 publications

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“…The GaAs has reached an efficiency of 28.8% as reported by Green et al [9] which is quite close to its Shockley-Queisser limit. However, irrespective of the potential to achieve high efficiency, reports of QDIBSCs have shown significantly low efficiencies.…”

Section: Introductionsupporting

confidence: 67%

The Effects of Interdot Spacing and Dot Size on the Performance of InGaAs/GaAs QDIBSC

Amin

Hasan

Islam

2017

International Journal of Photoenergy

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In 0.53 Ga 0.47 As/GaAs-based quantum dot intermediate band solar cells (QDIBSCs) have been designed and optimized for the next generation photovoltaic technology. The wave behavior of charge carriers inside the dot and their barrier have been analyzed with different dot sizes and interdot spacing. The device characteristics such as short circuit current density, J sc , open circuit voltage, V oc , and conversion efficiency, η, have been evaluated. Based on the behavior of electron wave function, it is found that varying the dot spacing leads to a change in the IB width and in the density of states, whereas varying the size of dots leads to a formation of a second IB. For a fixed dot spacing, two ranges of dot sizes vary the number of IBs in In 0.53 Ga 0.47 As/GaAs QDIBSC. Smaller dots of a size ranging from 2 nm to 5 nm form a single IB while larger dots of a size ranging from 6 nm to 9 nm can produce 2 IBs. The efficiency of 2 IBs close to 1 IB suggests that formation of multiple IBs can possibly enhance the device efficiency.

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Section: Introductionsupporting

confidence: 67%

The Effects of Interdot Spacing and Dot Size on the Performance of InGaAs/GaAs QDIBSC

Amin

Hasan

Islam

2017

International Journal of Photoenergy

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“…Recently, the highest efficiency obtained was about 22.6% in laboratory cells [3]. In addition, the commercialized CIGS-based solar cells have achieved high efficiency compared to crystalline silicon solar cells whose efficiency is around 25% while they further allow a significant reduction in the cost of solar electricity per watt.…”

mentioning

confidence: 93%

Numerical Modeling and Simulation of CIGS-Based Solar Cells with ZnS Buffer Layer

Sylla¹,

Siaka²,

Vilcot³

2017

OJMSi

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Usually a buffer layer of cadmium sulphide is used in high efficiency solar cells based on Cu(In,Ga)Se 2 (CIGS). Because of cadmium toxicity, many investigations have been conducted to use Cd-free buffer layers. Our work focuses on this type of CIGS-based solar cells where CdS is replaced by a ZnS buffer layer. In this contribution, AFORS-HET software is used to simulate n-ZnO: Al/i-ZnO/n-ZnS/p-CIGS/Mo polycrystalline thin-film solar cell where the key parts are p-CIGS absorber layer and n-ZnS buffer layer. The characteristics of these key parts: thickness and Ga-content of the absorber layer, thickness of the buffer layer and doping concentrations of absorber and buffer layers have been investigated to optimize the conversion efficiency. We find a maximum conversion efficiency of 26% with a short-circuit current of 36.9 mA/cm 2 , an open circuit voltage of 824 mV, and a fill factor of 85.5%.

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“…The efficiency of photovoltaic cells from monocrystalline silicon is currently between 18-26.3% [26][27][28][29][30] and from polycrystalline cells is between 14-21.7% [31,32]. The lowest efficiency is photovoltaic organic cells 8.7-12.1%, called third generation ones [33,34]. Continuous technological development increased the efficiency of silicon solar cells to 26.7%, which was confirmed by the Japanese National Institute of Advanced Industrial Science and Technology (AIST) and by the Fraunhofer Institute for Solar Energy Systems (FhG-ISE) in March 2017 [34].…”

Section: Analysis Of Electricity Production From Photovoltaic Panelsmentioning

confidence: 99%

The Photovoltaic Installation Application in the Public Utility Building

Piotrowska-Woroniak

2017

Ecological Chemistry and Engineering S

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Abstract:The article presents the use of photovoltaic installation in a building with office space and a section for kindergarten to support the production of electricity using solar energy. Accepted technological installation solution, capital expenditures to be incurred for the project and payback time are shown. Paper presents the results of the performance simulation of the PV system adopted depending on the angle of photovoltaic panels. Designed photovoltaic installation consists of 62 panels with a total nominal power of 15.5 kW. The use of photovoltaics in the facility allow reducing carbon dioxide emissions into the atmosphere by approximately 52%. In Poland, most of the electricity produced is still based on coal and lignite. Photovoltaics is one of the renewable sources of energy, so-called "Green" energy. The investment could be made thanks to the Regional Operational Programme Podlaski, Activity 5.2 Development of local infrastructure, environmental protection 2007-2013.

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Solar cell efficiency tables (version 50)

Abstract: Consolidated tables showing an extensive listing of the highest independently confirmed efficiencies for solar cells and modules are presented. Guidelines for inclusion of results into these tables are outlined, and new entries since January 2017 are reviewed

Cited by 844 publications

References 36 publications

The Effects of Interdot Spacing and Dot Size on the Performance of InGaAs/GaAs QDIBSC

The Effects of Interdot Spacing and Dot Size on the Performance of InGaAs/GaAs QDIBSC

Numerical Modeling and Simulation of CIGS-Based Solar Cells with ZnS Buffer Layer

The Photovoltaic Installation Application in the Public Utility Building

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