University of Groningen
PbS colloidal quantum dots for near-infrared optoelectronics
Bederak, Dima
DOI:
10.33612/diss.172171198
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Publication date: 2021
Link to publication in University of Groningen/UMCG research database
Citation for published version (APA):
Bederak, D. (2021). PbS colloidal quantum dots for near-infrared optoelectronics. University of Groningen. https://doi.org/10.33612/diss.172171198
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PbS colloidal quantum dots for
near-infrared optoelectronics
PbS colloidal quantum dots for near-infrared optoelectronics
Zernike Institute PhD thesis series: 2021-15
ISNN: 1570-1530
The work in this thesis was performed in the Photophysics and
OptoElectronics group of the Zernike Institute for Advanced Materials at the
University of Groningen in The Netherlands. The research was funded by the
Dieptestrategie program from Zernike Institute for Advanced Materials.
Cover design: Dmytro Bederak. The cover depicts a colloidal quantum dot
that is approaching the Earth like an asteroid. This is an allusion to the event
which dramatically re-shaped the life on Earth approximately 66 million
years ago.
The cover photo by Nathan Anderson on Unsplash. The structure of the PbS
colloidal quantum dot is provided by Arjen Kamp.
PbS colloidal quantum dots for
near-infrared optoelectronics
PhD thesis
to obtain degree of PhD at the
University of Groningen
on the authority of the
Rector Magnificus Prof. C. Wijmenga
and in accordance with
the decision by the College of Deans.
This thesis will be defended in public on
Friday 25 June 2021 at 11.00 hours.
by
Dmytro Yaroslavovych Bederak
born on 20 February 1993 in Cherkasy, Ukraine
Supervisors
Prof. M.A. Loi Prof. L.J.A. Koster
Assessment committee
Prof. B. Ehrler Prof. G. Palasantzas Prof. R.A.J. Janssen
Table of Contents
1. Introduction ... 1
1.1 Quantum confinement effect ... 2
1.2 Synthesis of colloidal quantum dots ... 5
1.3 Faceting and the surface of PbS CQDs ... 7
1.4 Ligand exchange ... 8
1.5 Fieldeffect transistors ... 10
1.6 Lightemitting fieldeffect transistors ... 13
1.7 CQD solar cells ... 13
1.8 Outline of this thesis ... 16
1.9 References ... 17
-2. Comparing Halide Ligands in PbS Colloidal Quantum Dots for Field-Effect Transistors and Solar Cells ... 21
2.1 Introduction ... 22
2.2 Results and discussion ... 23
2.3 Conclusions ... 32
2.4 Experimental Section ... 33
2.5 References ... 37
2.6 Appendix ... 40 -3. S-Rich PbS Quantum Dots: A Promising p-Type Material for Optoelectronic Devices.
3.1 Introduction ... 46
3.2 Results and Discussion ... 47
3.3 Conclusions ... 54
3.4 Experimental Section ... 54
3.5 References ... 57
3.6 Appendix ... 59
-4 On the Colloidal Stability of PbS Quantum Dots Capped with Methylammonium Lead Iodide Ligands ... 65
4.1 Introduction ... 66
4.2 Results and Discussion ... 67
4.3 Conclusions ... 76
4.4 Experimental Section ... 76
4.5 References ... 79
4.6 Appendix ... 83
-5. Heterostructure of PbS Quantum Dots and Carbon Nanotubes for High Efficiency NIR LightEmitting FieldEffect Transistors ... 89
5.1 Introduction ... 90
5.2 Results and discussion ... 91
5.3 Conclusions ... 97
5.4 Experimental Section ... 97
5.6 Appendix ... 102 Summary ... 103 Samenvatting ... 106 Acknowledgements ... 109 Curriculum Vitae ... 111 List of publications ... 112
