Upload
others
View
0
Download
0
Embed Size (px)
Citation preview
RTD activities in Organic Solar Cells in Crete
FORTH – IESL
ULMNP LAB
NANO LAB
TEIC
E. Kymakis E. Stratakis
in collaboration with E. Kymakis (TEIC)
Cross sectional X-ray and fluorescence
Organic solar cells blended with laser –synthesized nanoparticles and nanocomposites
Laser synthesized Graphene-based TCOs
Investigation of degradation stability via Laser induced fluorescence (LIF) complemented by
Energy Dispersion X-ray measurements
Laser synthesis of GO electron acceptors
ULMNP LAB: Application of lasers in OPVs
OPV materials Synthesis OPV materials Diagnostics
ULMNP LAB: Laser processing of 2D materials for OE
in collaboration with E. Kymakis (TEIC), T. D. Anthopoulos (ICL)
Adv. Func. Mater. (2013) / Nanoscale (2013) /Appl. Phys. Lett (2013)/IEEE JSTQE (2014)
In-situ fs laser doping for FETs
Laser interaction with monolayers
Monolayers
Bulk
Bulk
Photochemical Synthesis Photodoping
Nano Group TEI OF CRETE
0,0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0 ,8
14
12
10
8
6
4
2
0
Cur
rent
Den
sity
(mA/
cm2 )
V (Voltage)
PEDOT:PSS
GO (4.9 eV)
GO-Cl (5.04 eV)
GO-Cl (5.11 eV)
GO-Cl (5.17eV)
GO-Cl (5.23eV)
People
Characterization Synthesis
Formulate
Process
Organic Photovoltaics
Flexible electronics
Fabricate
Test
Research activities of the Nano Group at TEIC in OPVs
Replacement of electrode and interfacial layers with SPG materials, compatible with 2r2
Solution processable graphene
Metallic nanostructures enable light manipulation at the nanoscale. Photonic and plasmonic enhancement of photocurrent
Plasmonics
Novel materials
Photon Management
Device Engineering
Tandem device to enhance light harvesting; Optimize electron/hole transport
Tandem, organic-inorganic hybrids etc.
Enhancing OPV Performance and Stability through Integrated Material, Interfacial, and Device Engineering
in collaboration with E. Stratakis (ULMNP-FORTH)
Performance and Stability of Plasmonic Organic
Photovoltaics 1
Graphene-based materials for Organic Electronic
applications 2
Research ULMNP(IESL-FORTH) + Nano (TEIC)
Small (2014) / Chem. Comm. (2014)/ Adv. Mat. (2013), Adv. Funct. Mat. (2013)/ Materials Today (2013) Nanoscale (2013)/ Carbon (2013) / RSC Advances (2013)/ PCCP (2013)/ Nanoscale
(2012) / Adv. Funct. Mat. (2011)
Polymer blends with ligand-free laser synthesized nanostructures
1. Nanoparticle-based plasmonic organic photovoltaics
PCDTBT:PC71BM:NPs
P3HT:PCBM:NPs
0 20 40 60 80 100 120 1400
20
40
60
80
100
p3ht : pcbm
p3ht : pcbm : Au NPs 5%
p3ht : pcbm : Al NPs 9%
Pe
rce
nta
nce
of
initi
al E
ffic
ien
cy (
%)
Illumination time (hours)
Combining Plasmonics with Graphene: GO-Au HTLs
Al-Au NPs for enhanced performance
Cross-sectional X-ray diffraction +
fluorescence imaging of plasmonic OPVs
Plasmonic organic photovoltaics: Diagnostics
Fluorescence pattern
Energy dispersion X-ray pattern
13
TCE: Expensive ITO Carbon based materials
HTL: Hygroscopic PEDOT Metal oxides, graphene oxide
Polymer donors PTB7,PCDTBT,P3HT
Acceptors PCBM, ICBA
2. Solution processed Graphene in OPVs
Functionalized graphene
flakes for enhanced
photogeneration & charge
transport
Laser reduced
graphene
Doped Graphene oxide
Liquid Phase Exfoliation
(graphene & graphene oxide)
OPV with flexible
LrGO TCE
5 10 15 20 25 300
3
6
9
12
15
18
RSH
Tra
nsm
ittan
ce
(%)
Sh
ee
t R
esis
tan
ce
(k
/sq
)
Thickness (nm)
P=5.5 mW
30
40
50
60
70
80
90
TR
Graphene replacing ITO in flexible OPVs
0 10 20 30 40 50 60
4.9
5.0
5.1
5.2
Wor
k fu
nctio
n (e
V)
Exposure, Np
Work Function
Tuning !!!
UV Laser
Cl2 gas
Photochemical doping of GO from gas phase
! HTLs with
tunable WF !
Cl-doping: p-
type
N-doping: n-
type
! ETLs with tunable WF !
GO GO-Li
ETL Jsc(mA/cm2) Voc(mV) FF(%) PCE(%)
TiOx 11.28 878 55.6 5.51
GO/TiOx 10.73 883 51.6 4.89
GO-Li/TiOx 12.51 890 56.5 6.29
Publications ULMNP-Nano (2013 - 2015)
2013
1. Kymakis E., Savva K., Stylianakis M.M., Fotakis, C.,Stratakis EAdvanced Functional Materials, 23, 2742-2749 2. Petridis C. , Savva K. , Lin Y. , Eda G. , Kymakis E., Anthopoulos T.D., Stratakis E., Applied Physics
Letters, 102, 093115 3. Stratakis E., Stylianakis M., Koudoumas E., Kymakis E., Nanoscale, 5 (10), 4144-4150 4. Beliatis M.,Henley S., Han S., Gandhi K., Adikaari D., Stratakis E., Kymakis E., Silva S. R. Physical
Chemistry Chemical Physics, 15, 8237-8244 5. Stratakis E., Kymakis E., Materials Today, 16 (4), 133-146. 6. Kakavelakis G., Stratakis E., Kymakis E., RSC Advances, 3 (37), 16288-16291 7. Paci B., Bailo D., Albertini V., Wright J., Ferrero C., Spyropoulos G.D., Stratakis E.,Kymakis, E.,, Advanced Materials, 25(34), 4760–4765.
2014
1. Kymakis E., Petridis C., Anthopoulos T.D., Stratakis E. , IEEE Journal of Selected Topics in
Quantum Electronics, 20 (1) , art. no. 6573325 2. Viskadouros G., Stylianakis M.M., Kymakis E., Stratakis E., ACS Applied Materials & Interfaces, 6(1), pp 388–393 3. Viskadouros, G., Zak A., Stylianakis, M.M., Kymakis, E, Tenne, R., Stratakis, E., Small, 10, 2398-2403 4. Kakavelakis G., Stratakis E., Kymakis E. Chemical Communications, 50 (40), 5285 – 5287 5. Savva K., Lin A.Y-H., Petridisc C., Kymakis E., Anthopoulos T.H., Stratakis E., Journal of Materials
Chemistry C, 2, 5931-5937 6. Konios D., Stylianakis M.M., Stratakis E., Kymakis E., Journal of Colloid And Interface
Science (2014), 430, 108-112 7. Paradisanos I., Kymakis E., Fotakis C., Kioseoglou G., Stratakis E., Applied Physics Letters (2014), 105, 041108. 8. Stratakis E., Savva K., Konios D., Petridis C., Kymakis E., Nanoscale, 6, 6925-6931 9. Pattanasattayavong P.,Sygletou M., Kymakis E., Stratakis E.,Yan F.,Gregoriou V.G., Anthopoulos T.H., Chochos C.L., RSC Advances, 4 (102), 58404-58411.
10. Kakavelakis G., Konios D., Stratakis E., Kymakis E., Chemistry of Materials, 26 (20), 5988–5993 11. Viskadouros, G., Konios D., Kymakis, E, Stratakis, E., Applied Physics Letters, 105, 203104
2015
1. Stylianakis M.M., Sygletou M., Savva K., Kakavelakis G., Kymakis E., Stratakis E., Advanced Optical
Materials , DOI: 10.1002/adom.201400450
2.Konios D., Petridis C.,Kakavelakis G.,., Sygletou M., Savva K., Stratakis E., Kymakis E., Advanced Optical Materials DOI: 10.1002/adom.201400450
3. Bonaccorso F., Balis N., Stylianakis M.M., Savarese M., Adamo C., Gemmi M., Pellegrini V., Stratakis E., Kymakis E. Advanced Functional Materials, DOI: 10.1002/adfm.201501052
4. Kymakis E., Spyropoulos G.D., Fernandes R., Kakavelakis G., Kanaras A.G., Stratakis E., ACS Photonics, DOI: 10.1021/acsphotonics.5b00202
Objective
The main objective of the Life Long Learning (LLP) Erasmus
Project “Organic Electronics & Applications” – OREA is the
development of a MSc curriculum in the field of Organic
Electronics. In this project there is synergy between Universities,
Research Institutions and Enterprises
Erasmus LLP Organic Electronics & Applications - OREA
Funding / Support
Graphene Flagship, EU
ΚΡΗΠΙΣ ΠΡΟΕΝΥΛ, ΓΓΕΤ
ERASMUS, LLP, OREA
CΟST MP1307, StableNextSol
FORTH - IESL
Ultrafast Laser Micro/Nano Processing Group
Emmanuel Stratakis
e-mail: [email protected]
http://www.iesl.forth.gr/research/activity.aspx?id=29
TEIC - CEMATEP
Nanomaterials & Organic Electronics Group
Emmanuel Kymakis
e-mail: [email protected]
http://nano.teicrete.gr/