Personal information

Activities

Employment (5)

Ghent University: Ghent, BE

2023-02-01 to present | Associate Professor (Chemistry)
Employment
Source: Self-asserted source
Pieter Geiregat

Ghent University: Ghent, BE

2018-01-10 to 2023-02-01 | Tenure Track Assistant Professor (Chemistry)
Employment
Source: Self-asserted source
Pieter Geiregat

Fonds Wetenschappelijk Onderzoek Vlaanderen: Gent, BE

2015-10-01 to 2018-01-10 | Postdoctoral Fellow (Chemistry - Ghent University)
Employment
Source: Self-asserted source
Pieter Geiregat

European Research Council: Gent, BE

2015-02-11 to 2015-10-01 | Scientific Collaborator on ERC-PoC grant (Information Technology - UGent)
Employment
Source: Self-asserted source
Pieter Geiregat

Universiteit Gent: Gent, BE

2010-01-10 to 2015-02-10 | PhD Researcher (Chemistry)
Employment
Source: Self-asserted source
Pieter Geiregat

Education and qualifications (2)

Universiteit Gent: Gent, BE

2010 to 2015 | PhD in Engineering Physics (Faculty of Engineering and Architecture)
Education
Source: Self-asserted source
Pieter Geiregat

Universiteit Gent: Gent, BE

2005-09-01 to 2010-07-30 | Bachelor and Master of Engineering : Engineering Physics (Faculty of Engineering and Architecture)
Education
Source: Self-asserted source
Pieter Geiregat

Professional activities (1)

European Research Council: Brussels, BE

2022-12-01 | ERC Starting Grant
Distinction
Source: Self-asserted source
Pieter Geiregat

Funding (5)

NOMISS

2023 to 2027 | Grant
ERC (Brussels, BE)
Source: Self-asserted source
Pieter Geiregat

Ultrafast and Broadband Fluorescence of Advanced Nanomaterials and Integrated Devices

2017-01 to 2017-12 | Grant
Fonds Wetenschappelijk Onderzoek (Gent, BE)
GRANT_NUMBER:

1519717N

Source: Self-asserted source
Pieter Geiregat

Doped Semiconductor Nanocrystals for Optical Gain and Ultrafast Modulation on the Silicon Photonics Platform

2015-10 to 2018-10 | Contract
Fonds Wetenschappelijk Onderzoek (Gent, BE)
GRANT_NUMBER: K191016N
Source: Self-asserted source
Pieter Geiregat

InterDot - Colloidal Quantum Dots for Optical Interconnects

2015-02 to 2016-09 | Grant
Horizon 2020 (Gent, BE)
Part of GRANT_NUMBER:

641353

Source: Self-asserted source
Pieter Geiregat

Colloidal Quantum Dots for Guided Wave Photonics: from Optical Gain to Ultrafast Modulation

2010-09 to 2014-09 | Contract
Special Research Fund - Ghent University (Gent, BE)
Source: Self-asserted source
Pieter Geiregat

Works (50 of 128)

Items per page:
Page 1 of 3

Determination of the carrier temperature in weakly confined semiconductor nanocrystals using time-resolved optical spectroscopy

Nanoscale
2025 | Journal article
Contributors: Ivo Tanghe; Chao-Yang Lin; Isabella Wagner; Margarita Samoli; Servet Ataberk Cayan; Zeger Hens; Justin Hodgkiss; Kai Chen; Pieter Geiregat
Source: check_circle
Crossref

Realizing zero-threshold population inversion via plasmonic doping

Nanoscale
2025 | Journal article
Contributors: Mohsin Ijaz; Hao Zhang; Isabella Wagner; Fengjiang Liu; Margarita Samoli; Zeger Hens; Pieter Geiregat; Justin M. Hodgkiss; Richard J. Blaikie; Boyang Ding et al.
Source: check_circle
Crossref

Transforming 2D Imine into 3D Thiazole Covalent Organic Frameworks by Conjugated Connectors: Fully Conjugated Photocatalysts

Journal of the American Chemical Society
2025-03-26 | Journal article
Contributors: Maojun Deng; Jeet Chakraborty; Guizhen Wang; Kuber Singh Rawat; Laurens Bourda; Jiamin Sun; Ipsita Nath; Yanwei Ji; Pieter Geiregat; Veronique Van Speybroeck et al.
Source: check_circle
Crossref

Super Bending-Stable Flexible Colloidal QD Photodetector with Fast Response and Near-Unity Carrier Extraction Efficiency

ACS Applied Materials & Interfaces
2025-03-05 | Journal article
Contributors: Yu-Hao Deng; Ezat Kheradmand; Chao Pang; Abu Bakar Siddik; Jing Bai; Itai Lieberman; Pieter Geiregat; Dries Van Thourhout; Zeger Hens
Source: check_circle
Crossref

Mesoporous Acridinium‐Based Covalent Organic Framework for Long‐lived Charge‐Separated Exciton Mediated Photocatalytic [4+2] Annulation

Advanced Materials
2025-01 | Journal article
Contributors: Ipsita Nath; Jeet Chakraborty; Kuber Singh Rawat; Yanwei Ji; Rundong Wang; Korneel Molkens; Nathalie De Geyter; Rino Morent; Veronique Van Speybroeck; Pieter Geiregat et al.
Source: check_circle
Crossref

Beyond the free spectral range : on-chip spectrometer with multi-color cascaded colloidal quantum-dot photodiodes

2024 | Conference paper | Author
Contributors: chao pang; López March, Raúl; Ezat Kheradmand; Yu-Hao Deng; Hagelsieb, Luis Moreno; Elsinger, Lukas; Cheyns, David; Pieter Geiregat; zeger hens; Dries Van Thourhout et al.
Source: check_circle
Ghent University Academic Bibliography

Decoding excimer formation in covalent–organic frameworks induced by morphology and ring torsion

ADVANCED MATERIALS
2024 | Journal article | Author
Contributors: Chakraborty, Jeet; Chatterjee, Amrita; Korneel Molkens; Nath, Ipsita; Arenas Esteban, Daniel; Laurens Bourda; Geert Watson; 春晖 刘; Dries Van Thourhout; Bals, Sara et al.
Source: check_circle
Ghent University Academic Bibliography

Short‐wave infrared colloidal QDs photodetector with nanosecond response times enabled by ultrathin absorber layers

ADVANCED MATERIALS
2024 | Journal article | Author
Contributors: Yu-Hao Deng; chao pang; Ezat Kheradmand; Jari Leemans; Jing Bai; Matthias M. Minjauw; Jiayi Liu; Korneel Molkens; Jeroen Beeckman; Christophe Detavernier et al.
Source: check_circle
Ghent University Academic Bibliography

Solution processed bulk colloidal nanocrystals as gain material in photonic crystal surface emitting lasers across the green-red spectrum

2024 | Conference paper | Author
Contributors: Ivo Tanghe; Margarita Samoli; Wagner, Isabella; Cayan, Servet Ataberk; Khan, Ali H.; Chen, Kai; Hodgkiss, Justin; Iwan Moreels; Dries Van Thourhout; zeger hens et al.
Source: check_circle
Ghent University Academic Bibliography

Two-Dimensional Electron–Hole Plasma in Colloidal Quantum Shells Enables Integrated Lasing Continuously Tunable in the Red Spectrum

ACS Nano
2024 | Journal article | Author
Contributors: Ivo Tanghe; Korneel Molkens; Vandekerckhove, Tom; Respekta, Dobromil; Waters, Amelia; Huang, Jiamin; Beavon, Jacob; Harankahage, Dulanjan; Lin, Chao Yang; Chen, Kai et al.
Source: check_circle
Ghent University Academic Bibliography

Understanding the mechanisms behind optical gain in bulk solution processible semiconductors

2024 | Conference paper | Author
Contributors: Ivo Tanghe; Margarita Samoli; Wagner, Isabella; Cayan, Servet Ataberk; Khan, Ali H.; Chen, Kai; Hodgkiss, Justin; Iwan Moreels; Dries Van Thourhout; zeger hens et al.
Source: check_circle
Ghent University Academic Bibliography

Multi-Exciton and Phonon Dynamics Impact Intraband Transitions in CdSe/ZnS Colloidal Quantum Dots

The Journal of Physical Chemistry C
2024-09-26 | Journal article
Contributors: Ashley M. Stingel; Chilaluck C. Konkankit; Pieter Geiregat; Poul B. Petersen
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Stimulated Emission and Lasing from Bulk CdSe Nanocrystals

The Journal of Physical Chemistry Letters
2024-09-26 | Journal article
Contributors: Servet Ataberk Cayan; Margarita Samoli; Ivo Tanghe; Chao-Yang Lin; Dobromił Respekta; Justin M. Hodgkiss; Kai Chen; Zeger Hens; Pieter Geiregat
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

The Impact of Partial Carrier Confinement on Stimulated Emission in Strongly Confined Perovskite Nanocrystals

ACS Nano
2024-07-09 | Journal article
Contributors: Pieter Geiregat; Onur Erdem; Margarita Samoli; Kai Chen; Justin M. Hodgkiss; Zeger Hens
Source: check_circle
Crossref

A silicon photonics waveguide-coupled colloidal quantum dot photodiode sensitive beyond 1.6 µm

APL Photonics
2024-06-01 | Journal article
Contributors: Chao Pang; Yu-hao Deng; Ezat Kheradmand; Luis Moreno Hagelsieb; Yujie Guo; David Cheyns; Pieter Geiregat; Zeger Hens; Dries Van Thourhout
Source: check_circle
Crossref

Changing the face of phase change memory with Sb2Te3/TiTe2 superlattices

2023 | Conference abstract | Author
Contributors: Seppe Van Dyck; Aryana, Kiumars; Devulder, Wouter; Hopkins, Patrick; Pieter Geiregat; Christophe Detavernier
Source: check_circle
Ghent University Academic Bibliography

Integrated spectrometer based on arrayed waveguide grating and PbS colloidal quantum dot photodiode array

2023 | Conference paper | Author
Contributors: Pang, Chao; Yu-Hao Deng; Ezat Kheradmand; Robin Petit; Elsinger, Lukas; Christophe Detavernier; Pieter Geiregat; zeger hens; Dries Van Thourhout
Source: check_circle
Ghent University Academic Bibliography

Optical gain and lasing from bulk cadmium sulfide nanocrystals

2023 | Other | Author
Contributors: Ivo Tanghe; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography

Optical gain and lasing from bulk cadmium sulfide nanocrystals through bandgap renormalization

NATURE NANOTECHNOLOGY
2023 | Journal article | Author
Contributors: Ivo Tanghe; Margarita Samoli; Wagner, Isabell; Cayan, Servet Ataberk; Khan, Ali; Chen, Kai; Hodgkiss, Justin; Iwan Moreels; Dries Van Thourhout; zeger hens et al.
Source: check_circle
Ghent University Academic Bibliography

Understanding photocatalytic hydrogen peroxide production in pure water for benzothiadiazole-based covalent organic frameworks

CATALYSIS SCIENCE & TECHNOLOGY
2023 | Journal article | Author
Contributors: Wang, Linyang; Sun, Jiamin; deng, maojun; 春晖 刘; Cayan, Servet Ataberk; Korneel Molkens; Pieter Geiregat; Rino Morent; Nathalie De Geyter; Chakraborty, Jeet et al.
Source: check_circle
Ghent University Academic Bibliography

Integrated PbS Colloidal Quantum Dot Photodiodes on Silicon Nitride Waveguides

ACS Photonics
2023-12-20 | Journal article
Contributors: Chao Pang; Yu-Hao Deng; Ezat Kheradmand; Nithin Poonkottil; Robin Petit; Lukas Elsinger; Christophe Detavernier; Pieter Geiregat; Zeger Hens; Dries Van Thourhout
Source: check_circle
Crossref

Colloidal CdSe/CdS Core/Crown Nanoplatelets for Efficient Blue Light Emission and Optical Amplification

Nano Letters
2023-04-26 | Journal article
Contributors: Carmelita Rodà; Alessio Di Giacomo; Lucía Camila Tasende Rodríguez; Chandra Sekhar M; Jari Leemans; Zeger Hens; Pieter Geiregat; Iwan Moreels
Source: check_circle
Crossref

Narrow homogeneous linewidths and slow cooling dynamics across infrared intra-band transitions in n-doped HgSe colloidal quantum dots

The Journal of Chemical Physics
2023-03-21 | Journal article
Contributors: Ashley M. Stingel; Jari Leemans; Zeger Hens; Pieter Geiregat; Poul B. Petersen
Source: check_circle
Crossref

Charge Carrier Dynamics in Colloidally Synthesized Monolayer MoX2 Nanosheets

The Journal of Physical Chemistry Letters
2023-03-16 | Journal article
Contributors: Chandra Sekhar M.; Gabriele Pippia; Ivo Tanghe; Beatriz Martín-García; Anastasia Rousaki; Peter Vandenabeele; Pieter Schiettecatte; Iwan Moreels; Pieter Geiregat
Source: check_circle
Crossref

A roadmap to decipher ultrafast photophysics in two-dimensional nanomaterials

The Journal of Chemical Physics
2023-01-07 | Journal article
Contributors: Pieter Schiettecatte; Zeger Hens; Pieter Geiregat
Source: check_circle
Crossref

Broadband and ultrafast optical phase modulation by colloidal 2D semiconductors

2022 | Conference abstract | Author
Contributors: Tanghe, Ivo; Tamming, Ronnie; Hodgkiss, Justin; Chen, Kai; Singh, Shalini; Dries Van Thourhout; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography

Disruptive optical gain in bulk-like CdS quantum dots through strong band gap renormalization

2022 | Conference abstract | Author
Contributors: Tanghe, Ivo; Wagner, Isabella; Margarita Samoli; Wen, Kai; Cayan, Servet Ataberk; Khan, Ali; Dries Van Thourhout; Hodgkiss, Justin; zeger hens; Iwan Moreels et al.
Source: check_circle
Ghent University Academic Bibliography

Disruptive optical gain metrics in the green and near-infrared spectrum using weakly confined CdX (X=S,Se,Te) quantum dots

2022 | Conference abstract | Author
Contributors: Tanghe, Ivo; Cayan, Servet Ataberk; Margarita Samoli; Wagner, Isabella; Hodgkiss, Justin; Chen, Kai; Iwan Moreels; zeger hens; Dries Van Thourhout; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography

Enhanced carrier-carrier and carrier-phonon coupling in perovskite quantum dots enables low threshold optical gain

2022 | Conference paper | Author
Contributors: Pieter Geiregat; Onur Erdem; Chen, Kai; Maes, Jorick; Hodgkiss, Justin; zeger hens
Source: check_circle
Ghent University Academic Bibliography

Optical gain in core-only CdSe and Core/crown CdSe/CdS 3.5 monolayer nanoplatelets

2022 | Conference abstract | Author
Contributors: Carmelita Rodà; Alessio Di Giacomo; Pieter Geiregat; Iwan Moreels
Source: check_circle
Ghent University Academic Bibliography

Role of Thermally Occupied Hole States in Room‐Temperature Broadband Gain in CdSe/CdS Giant‐Shell Nanocrystals

Advanced Optical Materials
2022 | Journal article | Author
Contributors: Tanghe, Ivo; Llusar, Jordi; Climente, Juan I.; Barker, Alex; Paternò, Giuseppe; Scotognella, Francesco; Polovitsyn, Anatolii; Khan, Ali Hossain; zeger hens; Dries Van Thourhout et al.
Source: check_circle
Ghent University Academic Bibliography

State filling and stimulated emission by colloidal InP/ZnSe core/shell quantum dots

ADVANCED OPTICAL MATERIALS
2022 | Journal article | Author
Contributors: Sousa Velosa, Filipe; Van Avermaet, Hannes; Schiettecatte, Pieter; Mingabudinova, Leila; Pieter Geiregat; zeger hens
Source: check_circle
Ghent University Academic Bibliography

Stimulated emission from stable bipolaron states in fully inorganic perovskite quantum wells

2022 | Conference paper | Author
Contributors: Pieter Geiregat; Wagner, Isabella; Chen, Kai; Hodgkiss, Justin; zeger hens
Source: check_circle
Ghent University Academic Bibliography

Stimulated emission via multi-exciton complexes in colloidal 2D materials

2022 | Conference abstract | Author
Contributors: Pieter Geiregat; Wagner, Isabella; Hodgkiss, Justin; Chen, Kai; zeger hens
Source: check_circle
Ghent University Academic Bibliography

Ultrafast continuum infrared spectroscopy of n-type HgSe quantum dots

2022 | Conference paper | Author
Contributors: Pieter Geiregat; Stingel, Ashley; Petersen, Poul; Jari Leemans; zeger hens
Source: check_circle
Ghent University Academic Bibliography

Unraveling the photophysics of liquid-phase exfoliated two-dimensional ReS2 nanoflakes

2022 | Conference abstract | Author
Contributors: Poonia, Deepika; Schiettecatte, Pieter; Tanghe, Ivo; Maiti, Sourav; Failla, Michele; Kinge, Sachin; zeger hens; Siebbeles, Laurens; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography

Area-Independence of the Biexciton Oscillator Strength in CdSe Colloidal Nanoplatelets

Nano Letters
2022-12-14 | Journal article
Contributors: Carmelita Rodà; Pieter Geiregat; Alessio Di Giacomo; Iwan Moreels; Zeger Hens
Source: check_circle
Crossref

Slow Hole Localization and Fast Electron Cooling in Cu-Doped InP/ZnSe Quantum Dots

The Journal of Physical Chemistry Letters
2022-10-27 | Journal article
Contributors: P. Tim Prins; Dirk A. W. Spruijt; Mark J. J. Mangnus; Freddy T. Rabouw; Daniel Vanmaekelbergh; Celso de Mello Donega; Pieter Geiregat
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Size matters - Amplified spontaneous emission limited by accumulation of dark excitons in thin quasi-2D perovskites

2022-10-18 | Preprint
Contributors: Kai Chen; Isabella Wagner; Wouter Van Gompel; Laurence Lutsen; Dirk Vanderzande; Sheng Hsiung Chang; Pieter Geiregat; Justin Hodgkiss
Source: check_circle
Crossref

Quantum dot lasing from a waterproof and stretchable polymer film

Light: Science & Applications
2022-09-15 | Journal article
Contributors: Mohammad Mohammadimasoudi; Pieter Geiregat; Frederik Van Acker; Jeroen Beeckman; Zeger Hens; Tangi Aubert; Kristiaan Neyts
Source: check_circle
Crossref

Beyond the Purcell Effect: Modifying Spontaneous Emission via Plasmonic Doping

2022-02-14 | Preprint
Contributors: Boyang Ding; Yu-Hui Chen; Mohsin Ijaz; Isabella Wagner; Fengjiang Liu; Margarita Samoli; Zeger Hens; Pieter Geiregat; Justin Hodgkiss; Richard Blaikie et al.
Source: check_circle
Crossref

Broadband Optical Phase Modulation by Colloidal CdSe Quantum Wells

Nano Letters
2022-01-12 | Journal article
Contributors: Ivo Tanghe; Justinas Butkus; Kai Chen; Ronnie R. Tamming; Shalini Singh; Yera Ussembayev; Kristiaan Neyts; Dries van Thourhout; Justin M. Hodgkiss; Pieter Geiregat
Source: check_circle
Crossref

Carrier dynamics and optical gain in colloidal InP-based quantum dots

2021 | Conference paper | Author
Contributors: Sousa Velosa, Filipe; Van Avermaet, Hannes; Schiettecatte, Pieter; Mingabudinova, Leila; Pieter Geiregat; zeger hens; Congreve, Daniel; Nielsen, Christian; Musser, Andrew J.; Baran, Derya
Source: check_circle
Ghent University Academic Bibliography

Dye-sensitized Er3+-doped CaF2 nanoparticles for enhanced near-infrared emission at 1.5 µm

PHOTONICS RESEARCH
2021 | Journal article | Author
Contributors: Liu, Jing; Artizzu, Flavia; Zeng, Min; Pilia, Luca; Pieter Geiregat; Rik Van Deun
Source: check_circle
Ghent University Academic Bibliography

Electrically Pumped QD Light Emission from LEDs to Lasers

Information Display
2021 | Journal article | Author
Contributors: Wu, Longjia; Pieter Geiregat; Liu, Wenyong; Lu, Zizhe; Yan, Yiran; Lin, Xiongfeng; Iwan Moreels; Yan, Xiaolin; zeger hens; Yang, Yixing
Source: check_circle
Ghent University Academic Bibliography

Extended and localized states in colloidal quantum dots based microring lasers

2021 | Conference paper | Author
Contributors: Korneel Molkens; Tanghe, Ivo; Saxena, D.; Kit Ng, W.; Sapienza, R.; Pieter Geiregat; Dries Van Thourhout
Source: check_circle
Ghent University Academic Bibliography

Intraband dynamics of mid-infrared HgTe quantum dots

Nanoscale
2021 | Journal article | Author
Contributors: Ruppert, Matthias; Bui, Hanh; Sagar, Laxmi Kishore; Pieter Geiregat; zeger hens; Bester, Gabriel; Huse, Nils
Source: check_circle
Ghent University Academic Bibliography

Molecular size matters : ultrafast dye singlet sensitization pathways to bright nanoparticle emission

ADVANCED OPTICAL MATERIALS
2021 | Journal article | Author
Contributors: Liu, Jing; Pieter Geiregat; Pilia, Luca; Rik Van Deun; Artizzu, Flavia
Source: check_circle
Ghent University Academic Bibliography

Stimulated emission from stable multiexciton-polaron states in fully inorganic perovskite quantum wells

2021 | Conference abstract | Author
Contributors: Wagner, Isabella; Chen, Kai; Hodgkiss, Justin; zeger hens; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography

Stimulated emission through an electron-hole plasma in colloidal CdSe quantum rings

2021 | Conference abstract | Author
Contributors: Carmelita Rodà; Salzmann, Bastiaan B.V; Wagner, Isabella; Yera Ussembayev; Chen, Kai; Hodgkiss, Justin; Iwan Moreels; Kristiaan Neyts; Vanmaekelbergh, Daniel; Pieter Geiregat
Source: check_circle
Ghent University Academic Bibliography
Items per page:
Page 1 of 3

Peer review (16 reviews for 12 publications/grants)

Review activity for ACS applied nano materials. (1)
Review activity for ACS nano. (1)
Review activity for ACS photonics. (1)
Review activity for Advanced materials. (1)
Review activity for Advanced optical materials (1)
Review activity for Angewandte Chemie. (1)
Review activity for Journal of chemical physics. (1)
Review activity for Nano letters. (2)
Review activity for Nature communications (1)
Review activity for Nature nanotechnology (1)
Review activity for Nature photonics (1)
Review activity for The journal of physical chemistry letters. (4)