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ZeroR SIGNED

Resistance-free charge spreading for LEDs and solar cells

Total Cost €

0

EC-Contrib. €

0

Partnership

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Project "ZeroR" data sheet

The following table provides information about the project.

Coordinator
AALTO KORKEAKOULUSAATIO SR 

Organization address
address: OTAKAARI 1
city: ESPOO
postcode: 2150
website: http://www.aalto.fi/en/

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 Finland [FI]
 Total cost 150˙000 €
 EC max contribution 150˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-PoC
 Funding Scheme ERC-POC
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2020-06-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    AALTO KORKEAKOULUSAATIO SR FI (ESPOO) coordinator 150˙000.00

Map

 Project objective

Joule heating due to electrical resistance associated with current spreading in semiconductors is a significant loss mechanism in modern state-of-the-art high power light emitting diodes (LEDs) and high concentration solar cells. These losses can account for up to 10-30 % of the device power consumption under high power conditions, and thereby dramatically reduce the efficiency of solar energy harvesting and general lighting, whose efficiencies – apart from the resistive losses – are gradually closing in on their theoretical limits. In ZeroR we make use of a conceptually simple but functionally dramatic modification to the previous buried active region (AR) devices, like LEDs, lasers and solar cells, by relocating the AR to outside the pn-junction, allowing e.g. locating the AR on the device surface – or locating all the contact structures fully on one side of the active region, eventually enabling a fully scalable and essentially resistance free structures. We analyze the commercial prospects of the technology and show that it provides new freedom for high power semiconductor device design. The main goal of ZeroR is to facilitate further commercial development of the concept and to demonstrate the elimination of resistive losses in industrially relevant LED and solar cell prototypes using gallium nitride and gallium arsenide based compound semiconductor material systems. If successful, this approach can substantially increase the device efficiency at selected high power operating conditions and substantially expedite the ongoing solid state lighting revolution and market penetration, also providing more efficient new solutions for solar energy harvesting and selected other applications.

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

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