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SiTaSol SIGNED

Application relevant validation of c-Si based tandem solar cell processes with 30 % efficiency target

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

SiTaSol project word cloud

Explore the words cloud of the SiTaSol project. It provides you a very rough idea of what is the project "SiTaSol" about.

front peak meet photovoltaic proof area industry tandem advantages priorities conversion efficiencies offers lt semiconductors crystalline consumption cell combining clear electricity terrestrial precursor dominant sensors absorbers sitasol huge flat ga drop industrial light wafer reactor perspective efficient manufacturing recycling lowering silicon substrate contact micro waste intention dominating market decades diodes demonstrated savings asp pv module material competitiveness reductions innovative solar si compound replacement plate stability materials back junction below photonic electronic metals epitaxy preparation watt active generation solutions additional treatment environment emitting cells enhanced competitive ways difficult gases laptops land brings performance

Project "SiTaSol" data sheet

The following table provides information about the project.

Coordinator	FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Organization address address: HANSASTRASSE 27C city: MUNCHEN postcode: 80686 website: www.fraunhofer.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Germany [DE]
Project website	https://sitasol.com
Total cost	4˙298˙201 €
EC max contribution	4˙298˙201 € (100%)
Programme	1. H2020-EU.3.3.2. (Low-cost, low-carbon energy supply)
Code Call	H2020-LCE-2016-RES-CCS-RIA
Funding Scheme	RIA
Starting year	2017
Duration (year-month-day)	from 2017-05-01 to 2020-10-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. Organization address address: HANSASTRASSE 27C city: MUNCHEN postcode: 80686 website: www.fraunhofer.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (MUNCHEN)	coordinator	1˙197˙668.00
2	AIXTRON SE AIXTRON SE Organization address address: DORNKAULSTRASSE 2 city: HERZOGENRATH postcode: 52134 website: www.aixtron.com contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (HERZOGENRATH)	participant	1˙094˙933.00
3	TOPSIL GLOBALWAFERS AS TOPSIL GLOBALWAFERS AS Organization address address: SILICIUMVEJ 1 city: FREDERIKSSUND postcode: 3600 website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DK (FREDERIKSSUND)	participant	550˙000.00
4	JOANNEUM RESEARCH FORSCHUNGSGESELLSCHAFT MBH JOANNEUM RESEARCH FORSCHUNGSGESELLSCHAFT MBH Organization address address: LEONHARDSTRASSE 59 city: GRAZ postcode: 8010 website: www.joanneum.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	AT (GRAZ)	participant	549˙940.00
5	AIXTRON LIMITED AIXTRON LIMITED Organization address address: ANDERSON ROAD BUCKINGWAY BUSINESS PARK SWAVESEY city: CAMBRIDGE postcode: CB24 5FQ website: www.aixtron.com contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (CAMBRIDGE)	participant	325˙000.00
6	AZUR SPACE SOLAR POWER GMBH AZUR SPACE SOLAR POWER GMBH Organization address address: THERESIENSTRASSE 2 city: HEIBRONN postcode: 74072 website: www.azurspace.com contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (HEIBRONN)	participant	300˙000.00
7	UNIVERSITEIT LEIDEN UNIVERSITEIT LEIDEN Organization address address: RAPENBURG 70 city: LEIDEN postcode: 2311 EZ website: www.universiteitleiden.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (LEIDEN)	participant	280˙658.00

Map

Project objective

Crystalline silicon wafer solar cells have been dominating the photovoltaic market so far due to the availability and stability of c-Si and the decades of Si technology development. However, without new ways to improve the conversion efficiencies further significant cost reductions will be difficult and the c-Si technology will not be able to maintain its dominant role. In the SiTaSol project we want to increase conversion efficiencies of c-Si solar cells to 30 % by combining it with III-V top absorbers. Such a tandem solar cell will result in huge savings of land area and material consumption for photovoltaic electricity generation and offers clear advantages compared to today’s products. The III-V/Si tandem cell with an active Si bottom junction with one front and back contact is a drop-in-replacement for today’s Si flat plate terrestrial PV. To make this technology cost competitive, the additional costs for the 2-5 µm Ga(In)AsP epitaxy and processing must remain below 1 €/wafer to enable module costs <0.5 €/Watt-peak. It is the intention of the SiTaSol project to evaluate processes which can meet this challenging cost target and to proof that such a solar cell can be produced in large scale. Key priorities are focused on the development of a new growth reactor with efficient use of the precursor gases, enhanced waste treatment, recycling of metals and low cost preparation of the c-Si growth substrate. High performance devices will be demonstrated in an industrial relevant environment. The project SiTaSol approaches these challenges with a strong industrial perspective and brings together some of the most well-known European partners in the field of Si PV and III-V compound semiconductors. Furthermore SiTaSol will support the competitiveness of the European industry by providing innovative solutions for lowering manufacturing costs of III-V materials which are essential in today’s electronic products including laptops, photonic sensors and light emitting diodes.

Deliverables

List of deliverables.
SiTaSol Project Website online	Websites, patent fillings, videos etc.	2020-01-27 14:36:31

Take a look to the deliverables list in detail: detailed list of SiTaSol deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2018	Heitmann, Ulrike; Kluska, S.; Bartsch, Jonas; Hauser, Hubert; Ivanov, Alexy; Janz, Stefan Novel approach for the bonding of III-V on silicon tandem solar cells with a transparent conductive adhesive: Paper presented at 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018, Waikoloa, Hawaii, June 10-15, 2018 published pages: , ISSN: , DOI:	Fraunhofer ISE 1	2020-01-27

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The information about "SITASOL" are provided by the European Opendata Portal: CORDIS opendata.