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Organic Semiconductors and Photonics Lab. (OSPL)

Research

Printed Electronics

Present State of Plastic Solar Cells

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“The plastic solar cells will be commercialized soon!!”

Printed Modules

Gwangju Institute of Science and Technology develops a novel organic photovoltaic module architecture

Using an innovative series connection based on charge recombination That occurs at the contacts between charge transport layers large-area OPV modules Can be easily fabricated.

sub030105_img02 S. Hong, H. Kang&K. Lee et al., Nature Communications, 7, 10279 (2016)

GIST develops a new patterning process for perovskite photovoltaic modules.

The monolithic module architecture for large area perovskite photovoltaic modules has a geometrical fill factor of 94.1%, a module efficiency of 14.0% and an area of 9.06cm2.

sub030105_img03 S. Hong, J. Lee&K. Lee et al., Science Advances,4, 3604 (2018)

A new series connection architecture for PSC module

<A new module structure consisting of patternless ETL and HTL>

sub030105_img04 Patterning process 3 → 1
sub030105_img05 A schematic image of charge recombination
sub030105_img06 >Energy level diagrams of series connection region

New Module Concept

Seamless continual terminal (SELECT) module

A schematic description for the fabrication of SELECT module

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Pattern-free module using metal nanofilaments

A schematic description for the fabrication of SELECT module

sub030105_img09 Elimination of active layer, ETL and HTL patterning → Dead zone ↓ → Geometrical fill factor 90%
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