Team
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Head of Group
![nadjabigall-180x240](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37181036/nadjabigall-180x240-7b5f207e1f59cf677bab09914138b3e3a28fe7b8.jpg)
Photo: Nadja Bigall
Group Leader
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 343a
Front office
![Profilbild M. Manin](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/24311710/marion-manin-180x240-5c04bfb9c8361db706f9a67efb8f3bc25e6be83c.jpg)
Photo: manin
Team Assistant
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 343
Tel: +49 40 42838-3449
Fax: +49 40 42838-3462
Research associates
Research associate
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 348
Tel: +49 40 42838-3453
Email: dirk.dorfs"AT"uni-hamburg.de
![Profilbild von Hauke Heller](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13542256/hauke-heller-c7fd0fc2eb66a43477230f729452bb0e3fd16ed0.jpg)
Photo: Hauke Heller
Research Associate
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 264
Tel: +49 40 42838-9089
Fax: +49 40 42838-3452
![Profilbild von Kathrin Hoppe](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13542329/kathrin-hoppe-2f7f1420f4b71bd46bdfea7ccaef94b21c260992.jpg)
Photo: Kathrin Hoppe
Research associate
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 349
Tel: +49 40 42838-3457
Fax: +49 40 42838-3452
![Profilbild von Tobias Vossmeyer](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13542364/tobias-vossmeyer-820cb03d8c135aee3c7b8685f6d4dccc3d5b044c.jpg)
Photo: Tobias Vossmeyer
Project leader
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 349a
Tel: +49 40 42838-7069
Fax: +49 40 42838-3452
Key aspects of activity
- Sensors and Actuators Based on Self-Assembled Nanomaterials
- Nanoparticles for Bioapplications
- Nano- and Microparticles for Photonics and Mechanically Strengthened Composites
![agnes-weimer-180x240](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37223223/agnes-weimer-180x240-4a1e7bca3df2ade875279bd5c4b3ac2e498463d1.jpg)
Postdoctoral researcher
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 251
Tel: +49 40 42838-3455
Fax: +49 40 42838-3452
Key aspects of activity
- Size- and shape-controlled synthesis of superparamagnetic iron oxide nanocrystals (SPIONs)
- Synthesis of cubic and octapod star-shaped iron oxide nanocrystals in the size range of 4-60 nm for cubic and 20-80 nm for octapod star-shaped NK based on the thermal decomposition of iron oleate
- Investigation of the reaction mechanism: elucidation of nucleation precursors and pyrolysis products by means of matrix-assisted laser desorption ionization with time-of-flight mass spectrometer detection (MALDI-TOF-MS)
- Functionalization and encapsulation of iron oxide nanocrystals by seed emulsion polymerization
- Targeted post-oxidation of SPIONs to increase saturation magnetization
- Characterization of SPIONs by Magnetic Particle Spectroscopy - development of a tracer for Magnetic Particle Imaging (MPI)
Doctoral researchers
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 253, VG II
Tel: +49 40 42838-6341
Email: ahir.bose"AT"uni-hamburg.de
Key aspects of activity
- Synthesis of metal and semiconducting nanomaterials and its potential sensor applications
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 253
Tel: +49 40 42838-3985
![Profilbild Elena Felgenhauer](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/24068061/elena-felgenhauer-b802991fa6de32281867b3082d830cab80b55732.jpg)
Photo: Elena Felgenhauer
PhD student
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 253
Tel: +49 40 42838-3688
Key aspects of activity
- Katalytisch aktive Nanopartikel für die Anwendung in Brennstoffzellen
![Profilbild Julia Funk](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23763328/julia-funk2-efa4b30e5a60dcb2cf3d23334b81509a72da38c5.jpg)
Photo: Julia Funk
PhD Student
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 353
Tel: +49 40 42838-3443
Email: julia.funk"AT"uni-hamburg.de
Key aspects of activity
- Synthesis methods for CdSe/CdS core/shell-nanoplatelets for adjusting the fluoresence lifetime
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 346
Tel: +49 40 42838-3326
Email: lea.klauke"AT"uni-hamburg.de
Key aspects of activity
- Synthese, Funktionalisierung und Assemblierung von Eisenoxid-Nanopartikeln
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 253
Tel: +49 40 42838-3985
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 252
Tel: +49 40 42838-3451
PhD student
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 353
Tel: +49 40 42838-4533
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Key aspects of activity
- Shape controlled synthesis of titania nanoparticles (100-200 nm) for the application as custom designed high toughness hierarchical nanocomposite material.
- Preparation of 2d multilayer nanocomposite thin film consisting of varying organic/inorganic building blocks (titania, dicarboxylic acids, graphene oxide...).
- Characterization of mechanical properties via bulge experiments using atomic force microcopy and interferometric measurements of nanometer thin 2d nanocomposites.
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 253
Tel: +49 40 42838-3451
Key aspects of activity
- Synthese, Funktionalisierung und Assemblierung von Titanoxid-Nanopartikeln
PhD student
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Room: 353
Tel: +49 40 42838-4757
![Profilbild S. Wengler-Rust](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/23763346/soenke-wengler-rust-2-45b37d590937a66cbb94fad0ee765cd2b9a60e0a.png)
Photo: wengler-rust
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 353
Tel: +49 040 42838-4537
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 347
Tel: +49 40 42838-3450
Email: shin-da.wu"AT"uni-hamburg.de
![Profilbild von Mazlum Yesilmen](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/13542498/yesilmen-mazlum180x240-61aadba43b026e4a3e9345b060852aaa8a08688e.jpg)
Photo: Mazlum Yesilmen
PhD student
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Visiting scientists
![feld,-dr-180x240](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/37223205/feld-dr-180x240-2fdb3b055510f44e6d4add2cf71e888eb85bc566.jpg)
Associated visiting scientist
Institute of Physical Chemistry
Research Group Bigall
Grindelallee 117
20146 Hamburg
Email: artur.feld"AT"uni-hamburg.de
Technical staff
![Profilbild](https://assets.rrz.uni-hamburg.de/instance_assets/fakmin/25305480/nina-schober-ea5868ab294b8fd280098257bbfdbdb38a43b8de.jpg)
Photo: Nina Schober
Technician
Institute of Physical Chemistry
Grindelallee 117
20146 Hamburg
Room: 350, VG II
Tel: +49 40 42838-3433