Dr Jochen Bruckbauer

Research Fellow

Physics

Personal statement

I am a postdoctoral researcher in the Semiconductor Spectroscopy & Devices Group in the Department of Physics.

I gained my PhD from the University of Strathclyde in 2013. My PhD research was focused on the luminescence study of III-nitride semiconductor nanostructures and LEDs. I also have a Diplom (equivalent to a Master of Science) from the Technical University of Munich.

My current research focuses on the optical characterisation of III-nitride semiconductors, which are the building block for white LEDs replacing the currently used, highly inefficient light sources.

Expertise

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Prize And Awards

Outstanding Poster Award at 13th International Conference on Nitride Semiconductors (ICNS13): Recipient; 10/7/2019
Fred Stern Memorial Prize 2014: Recipient; 26/6/2014
Best poster award for the Faculty of Science at the Strathclyde Research Day 2011: Recipient; 7/6/2011

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Publications

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Publications

Imaging threading dislocations and surface steps in nitride thin films using electron backscatter diffraction: Hiller Kieran P, Winkelmann Aimo, Hourahine Ben, Starosta Bohdan, Alasmari Aeshah, Feng Peng, Wang Tao, Parbrook Peter J, Zubialevich Vitaly Z, Hagedorn Sylvia, Walde Sebastian, Weyers Markus, Coulon Pierre-Marie, Shields Philip A, Bruckbauer Jochen, Trager-Cowan Carol; Microscopy and Microanalysis Vol 29, pp. 1879-1888 (2023); https://doi.org/10.1093/micmic/ozad118
Electroluminescence hyperspectral imaging of light-emitting diodes using a liquid crystal tunable filter: Edwards Paul R, Bruckbauer Jochen, Cameron Douglas, Martin Robert W; Applied Physics Letters Vol 123 (2023); https://doi.org/10.1063/5.0165060
A cross-linkable, organic down-converting material for white light emission from hybrid LEDs: Yang Hao, Bruckbauer Jochen, Kanibolotskaya Lyudmila, Kanibolotsky Alexander L, Cameron Joseph, Wallis David J, Martin Robert W, Skabara Peter J; Journal of Materials Chemistry. C Vol 11, pp. 9984-9995 (2023); https://doi.org/10.1039/D2TC05139G
Influence of polyvinylpyrrolidone (PVP) in the synthesis of luminescent NaYF4:Yb,Er upconversion nanoparticles: Birch Ross, Bruckbauer Jochen, Gajewska Marta, Cios Grzegorz, Pal Robert, MacKenzie Lewis E; Methods and Applications in Fluorescence Vol 11 (2023); https://doi.org/10.1088/2050-6120/acd837
Crystalline grain engineered CsPbIBr2 films for indoor photovoltaics: Ghosh Paheli, Bruckbauer Jochen, Trager-Cowan Carol, Jagadamma Lethy Krishnan; Applied Surface Science Vol 592 (2022); https://doi.org/10.1016/j.apsusc.2022.152865
A systematic comparison of polar and semipolar Si-doped AlGaN alloys with high AlN content: Spasevski Lucia, Kusch Gunnar, Pampili Pietro, Zubialevich Vitaly Z, Dinh Duc V, Bruckbauer Jochen, Edwards Paul R, Parbrook Peter J, Martin Robert W; Journal of Physics D: Applied Physics Vol 54 (2021); https://doi.org/10.1088/1361-6463/abbc95

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Research

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Research Interests

My research interests are focussed on the optical spectroscopy and electron microscopy of semiconductors, especially the III-nitride material system. This quaternary system consists of GaN, InN and GaN and its various alloys.

This material system has a wide range of applications, such as solid-state lighting, optoelectronic devices (light-emitting diodes and laser diodes), high-power and high-frequency electronics, water purification, solar cells or communication.

My main research focus lies on the investigation of nanostructures, such as nanorods, of these materials using high resolution cathodoluminescence (CL) hyperspectral imaging. I am also interested in combining the CL imaging technique with electron channelling contrast imaging, an electron diffraction method in the scanning electron microscope, to correlate the structural properties of dislocations with their optical properties. Furthermore, I am collaborating with colleagues from the Department of Pure and Applied Chemistry to develop a novel organic colour converter for a hybrid organic/inorganic white LED using GaN-based nanostructures.

Characterisation techniques include CL hyperspectral imaging, photoluminescence, electroluminescence, X-ray microanalysis and electron bean-induced current.

Professional Activities

UK Nitride Consortium Winter Meeting: Speaker; 10/1/2024
Invited Talk: Materials Research Society Fall Meeting, US, December 2023. Title: Pushing the Limits of Diffraction Imaging in the Scanning Electron Microscope for the Structural Characterisation of Semiconductor Thin Films and Microstructures: Contributor; 1/12/2023
17th European Workshop on Modern Developments and Applications in Microbeam Analysis (EMAS2023): Speaker; 7/5/2023
AGH University of Science and Technology: Visiting researcher; 7/5/2023
RMS EBSD Meeting 2023: Participant; 18/4/2023
AGH University of Science and Technology: Visiting researcher; 24/3/2023

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Projects

Improving resolution and sensitivity for crystallographic analysis in the scanning electron microscope: Bruckbauer, Jochen (Principal Investigator); 01-Jan-2021 - 31-Jan-2023
Perylene bisimide based materials for application as downconverters: Bruckbauer, Jochen (Co-investigator); Co-I on mini-project (£30,500) funded by EPSRC platform grant led by Prof. P. Skabara, Glasgow University; 01-Jan-2021 - 31-Jan-2022
Solubility prediction for solution-processed optoelectronic devices: Bruckbauer, Jochen (Co-investigator); Co-I on mini-project (£8,615) funded by EPSRC platform grant led by Prof. P. Skabara, Glasgow University; 13-Jan-2021 - 12-Jan-2022
Doctoral Training Partnership 2020-2021 University of Strathclyde | Hiller, Kieran: Trager-Cowan, Carol (Principal Investigator) Bruckbauer, Jochen (Co-investigator) Hiller, Kieran (Research Co-investigator); 01-Jan-2020 - 01-Jan-2024
Doctoral Training Partnership 2018-19 University of Strathclyde | Waters, Dale: Trager-Cowan, Carol (Principal Investigator) Bruckbauer, Jochen (Co-investigator) Waters, Dale (Research Co-investigator); 01-Jan-2019 - 01-Jan-2025
Hyperspectral electroluminescence imaging tool: Bruckbauer, Jochen (Principal Investigator); PI on mini-project (£15,000) funded by EPSRC platform grant led by Prof. P. Skabara, Glasgow University; 01-Jan-2018 - 30-Jan-2019