Special Issue "Emerging Functional Devices and Advanced Photovoltaic Cells"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy".

Deadline for manuscript submissions: 31 January 2021.

Special Issue Editor

Prof. Dr. Joondong Kim
Website
Guest Editor
Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu Incheon, 22012, Korea
Interests: Solar cells; Photoelectric Devices; Energy Devices; Functional Devices; Transparent Solar cells, Metal oxides; Solar Materials; Quantum Dots; 2D materials

Special Issue Information

Dear Colleagues,

Researchers have tried to alternate the conventional and addictive fossil fuels to the renewable energy methods. Due to the limit of fossil energy-resources, human beings have been expected to encounter the energy shortage in future. However, developing, actually allowing the use of shale oil resources, the human beings may not entered the stage of oil shortage in the near future. But we know the fossil fuel is not permanent and causes the inevitable global warming and degrades the air quality.

Sustainable energy is ultimately desirable and clean method is highly required.

We may resolve the issue by developing high-efficient photovoltaic (PV) cells and functional photoelectric devices. High-performing efficiency of solar cells can accelerate their competition in market. Moreover neo-concept of photovoltaics cells will induce the appearance of new needs, such as transparent PV cells.

Transparent photovoltaic (TPV) device is the solar cell having high transparency in the visible-range light. And thus, human beings may not recognize the existence of TPV entities but the electric energy is generated through the invisible power generator. This kind of invisible TPV may open a new era for on-demand energy supplying system, by being applied in windows of cell phones, displays, vehicles, and buildings.

Various approaches are undertaking for the high-performing solar cells and functional electric devices. Dealing of electrical and optical aspects, different types of issues are considerable, including, junction processes, heterojunction structures, tandem designs, light management designs, and functional material adoptions and so on. This special issue covers the neo-concept designs and suggestions for photovoltaics cells, photoelectric devices and functional devices for energy applications.

Prof. Dr. Joondong Kim
Guest Editor

Manuscript Submission Information

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Keywords

  • Emerging photoelectric devices
  • Photovoltaics
  • Solar cells
  • Transparent solar cells
  • Tandem solar cells
  • Silicon
  • GaAs
  • Semiconductor
  • Heterojunction
  • Quantum dots
  • Nanostructures
  • Transparent electrodes
  • Transparent conductive oxide
  • Metal oxide
  • 2D materials
  • Functional devices

Published Papers (1 paper)

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Research

Open AccessArticle
Effects of Laser Doping on the Formation of the Selective Emitter of a c-Si Solar Cell
Appl. Sci. 2020, 10(13), 4554; https://doi.org/10.3390/app10134554 - 30 Jun 2020
Abstract
Laser doping, though able to improve cell characteristics, enables the formation of a selective emitter without the need for additional processing. Its parameters should be investigated to minimize laser defects, such as the heat-affected zone (HAZ), and to obtain a low contact resistance. [...] Read more.
Laser doping, though able to improve cell characteristics, enables the formation of a selective emitter without the need for additional processing. Its parameters should be investigated to minimize laser defects, such as the heat-affected zone (HAZ), and to obtain a low contact resistance. Herein, the laser fluence and speed were changed to optimize process conditions. Under a laser fluence of 1.77 J/cm2 or more, the surface deteriorated due to the formation of the HAZ during the formation of the laser doping selective emitter (LDSE). The HAZ prevented the formation of the LDSE and impaired cell characteristics. Therefore, the laser speeds were changed from 10 to 70 mm/s. The lowest contact resistivity of 1.8 mΩ·cm2 was obtained under a laser fluence and speed of 1.29 J/cm2 and 10 mm/s, respectively. However, the surface had an irregular structure due to the melting phenomenon, and many by-products were formed. This may have degraded the efficiency due to the increased contact reflectivity. Thus, we obtained the lowest contact resistivity of 3.42 mΩ·cm2, and the damage was minimized under the laser fluence and speed of 1.29 J/cm2 and 40 mm/s, respectively. Full article
(This article belongs to the Special Issue Emerging Functional Devices and Advanced Photovoltaic Cells)
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