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Two-Dimensional Absorbers for Solar Windows: A Simulation

Lattyak, Colleen and Steenhoff, Volker and Gehrke, Kai and Vehse, Martin and Agert, Carsten (2019) Two-Dimensional Absorbers for Solar Windows: A Simulation. Zeitschrift für Naturforschung - Section A Journal of Physical Sciences, 74 (8), pp. 683-688. de Gruyter. doi: 10.1515/zna-2019-0134. ISSN 0932-0784.

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In the future, many modern buildings may rely on solar windows for energy production. Large buildings often have glass facades that have the potential to convert sunlight to electrical power. The standard photovoltaic materials used today are bulky and not transparent, making them poor candidates for solar windows. Transition metal dichalcogenides (TMDCs) and other two-dimensional absorbers are a good alternative because of their unique properties and high transparency at the monolayer and few-layer regime. This work shows the potential for TMDC-based solar windows by simulating the transmission, quantum efficiency, current density, and colour appearance of different solar cell configurations. Different contacts were investigated, along with the influence of contact thickness, to demonstrate colour-neutral solar cells. In addition, four TMDC materials were compared: MoS2, MoSe2, WS2, and WSe2. Colour-neutral solar cells with transparencies of 35 % to 55 % are presented, where a current density of 8.33 mA/cm2 was calculated for a solar cell with a 5-nm absorbing layer of MoSe2. While there are still challenges to overcome in terms of production, our simulations show that it is possible to use TMDCs for colour-neutral solar windows and act as a guideline for further research.

Item URL in elib:https://elib.dlr.de/133404/
Document Type:Article
Title:Two-Dimensional Absorbers for Solar Windows: A Simulation
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lattyak, Colleencolleen.lattyak (at) dlr.dehttps://orcid.org/0000-0001-6690-3585
Steenhoff, Volkervolker.steenhoff (at) dlr.deUNSPECIFIED
Gehrke, KaiKai.Gehrke (at) dlr.deUNSPECIFIED
Vehse, Martinmartin.vehse (at) dlr.dehttps://orcid.org/0000-0003-0578-6121
Agert, CarstenCarsten.Agert (at) dlr.dehttps://orcid.org/0000-0003-4733-5257
Date:8 July 2019
Journal or Publication Title:Zeitschrift für Naturforschung - Section A Journal of Physical Sciences
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1515/zna-2019-0134
Page Range:pp. 683-688
Publisher:de Gruyter
Keywords:BIPV; TMDCs; Transparent Photovoltaics; Ultrathin Absorber Films
HGF - Research field:Energy
HGF - Program:Technology, Innovation and Society
HGF - Program Themes:Renewable Energy and Material Resources for Sustainable Futures - Integrating at Different Scales
DLR - Research area:Energy
DLR - Program:E SY - Energy Systems Analysis
DLR - Research theme (Project):E - Energy Systems Technology (old)
Location: Oldenburg
Institutes and Institutions:Institute of Networked Energy Systems
Deposited By: Kröner, Michael
Deposited On:13 Jan 2020 09:37
Last Modified:09 Apr 2020 14:08

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