soppom+ – rationale...solution-based processing and printing of functional materials for...
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![Page 1: SOPPOM+ – Rationale...Solution-Based Processing and Printing of Functional Materials for electronic, photonic and energy applications Prof. Z. Hens Physics and Chemistry of Nanostructures](https://reader034.vdocuments.mx/reader034/viewer/2022043009/5f9a82acfb0e5039512a78c1/html5/thumbnails/1.jpg)
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http://www.nano.UGent.be
SOPPOM+ Solution-Based Processing and Printing of Functional Materials
for electronic, photonic and energy applications Prof. Z. Hens
Physics and Chemistry of Nanostructures
Ghent University
Presented by
SOPPOM+ – Rationale
Zeger Hens
The SOPPOM program
reducing product cost (of PV modules) by implementing solution-based processing and printing
as alternative production technologies
generic know-how on precursors – inks – processing – transformation –
in-situ characterization
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Presented by
SOPPOM know-how
Zeger Hens
Precursors • Particles
§ Bottom-up, colloidal synthesis routes (advanced functionality)
§ Semiconductors / metal oxides / metals
§ Top-down milling approaches (low-cost)
• Up-scaled production facility
• Molecular complexes § ‘green’ chemistry § Metal oxides / metals
Presented by
SOPPOM know-how
Zeger Hens
Inks / Dispersions • Nanocrystal surface
chemistry § Understanding binding of
ligands / surfactants / dispersants to nanocrystals
§ Analysis methodology § Conceptual chemical
framework
• Functional ligands
• Ink formulation § Bridging scientific
laboratory and functional R&D approaches
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Presented by
SOPPOM know-how
Zeger Hens
Processing / Transformation • Precursor Coatings
§ Various technologies at industrial partners (screen printing / inkjet printing)
• Transformation § Insight in annealing /
sintering § Extensive in-situ analysis
tools
• Nanoparticle functionalized foils or coatings
Presented by
A Practical Example
Zeger Hens
Reactive CIGS precursor inks • CuInS2 precursor inks stabilized by Se-based species
• Heat treatment on printed film can replace gas-phase selenization
Maes et al, Sol Energy Mat, doi:10.1016/j.solmat.2015.08.023
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Presented by
SOPPOM+
solution-based processing and printing as manufacturing technologies are relevant far beyond
photovoltaics
Application-driven Internet of Things – need for low-cost smart objects
Printed sensor tag
Sensor Electronics
Memory Display Power
Forms basis of first SOPPOM+ ICON Met@link Focused on printed conductors
Presented by
SOPPOM+
solution-based processing and printing as manufacturing technologies are relevant far beyond
photovoltaics
Application-driven Internet of Things – need for low-cost smart objects
Printed sensor tag
Sensor Electronics
Memory Display Power
Forms basis of the broad scope of SOPPOM+ towards materials and applications
(Fundamental) Research on Functional, Solution-Processable Nanomaterials is Imperative
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Presented by
SOPPOM+ An example from literature
Prof. Zeger Hens
Scott Stinner et al, Nano Lett. 2015, 15 , 7155–7160
flexible, high-speed analog and digital
colloidal nanocrystal integrated circuits
Colloidal nanocrystal film is the conductive channel
Innovation-driven New materials – enable new technologies
Presented by
Semiconductor Nanocrystals
Zeger Hens
• Lab-scale and intermediate-scale colloidal synthesis metods established
Ø Can be extended to metals, metal oxides, …
• By synthesis ready for solution-based processing
• Enable all opto-electronic applications of semiconductors and more
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Presented by
Semiconductor Nanocrystals Semiconductor Nanocrystals (Quantum Dots)
Zeger Hens
Smaller nanocrystals
Higher frequency
Light absorption/emission shifts to the blue
!="# CdSe, InP, perovskite, …
printable / solution processable downconversion
phosphor with tunable emission /
adjustable absorption
Presented by
Semiconductor Nanocrystals Quantum Dots – processing & applications
Zeger Hens
highly controlled surface chemistry
ideal for matrix embedding
new opportunities in display applications
IWT-SBO Lumicor
Low power consumption High color gamut
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Presented by
Semiconductor Nanocrystals Quantum Dots – processing & applications
Zeger Hens
highly controlled surface chemistry
ideal for matrix embedding
opportunities in luminescent solar concentrators
CdSe, QDs in PMMA
Meinardi et al, Nature Nano. 2014, 8 , 392
Presented by
Semiconductor Nanocrystals Quantum Dots – processing & applications
Zeger Hens
new opportunities in IR photodetectors
Unique opportunity as little if any alternative solution-processable
IR absorbers are available
Tunable IR absorbers
Extensively studied for
PV applications
IWT-SBO MIRIS
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Presented by
SOPPOM+ A summary of the roadmap
Prof. Zeger Hens
Presented by
Thanks to The Met@link consortium Quantum-dot dispersion testing Funding
Prof. Zeger Hens