On Wednesday 25 September 2025, the annual NanoDay of the Laboratory of Nano and Quantum Engineering took place in Hannover. The latest research results from the interdisciplinary working groups in the field of nanotechnology were presented in eight lectures and a poster session.

This year there were 43 posters! The poster prizes sponsored by the Leibniz Universitätsgesellschaft e. V. went this year to:

• Towards Molecular Based Single Photon Emitters: STML Studies on Organic Dye Molecules
  Andreas Reutter, Yannis Hilgers, Anastasia Abrahamik, Stefan Kück, Markus Etzkorn, Uta Schlickum
  TU Braunschweig, Institut für Angewandte Physik
• Microfluidic Integration of Functionalized Hydrogels for Non-invasive Glucose and pH Sensing
  Ammar Ahmed¹˒², Lars Steinsiek¹˒², Kaussar El-Jamal¹˒², Alina Heidelmeier¹˒², Maria Leilani Torres-Mapa¹˒², Alexander Heisterkamp¹˒²
  ¹ Lower Saxony Center for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany
  ² Institute of Quantum Optics (IQO), Leibniz University Hannover, Hannover, Germany
• The Mag(net)ic Quest: A Journey through Synthesis and Self-Assembly
  Marion Görke, Georg Garnweitner
  Institute for Particle Technology, TU Braunschweig
  Laboratory for Emerging Nanometrology, TU Braunschweig

Congratulations and many thanks to all participants of NanoDay 2025!

Talks: Leibniz Universität Hannover, Appelstr. 4, 30167 Hanover, multimedia lecture hall, technical computer science (Building 3703)

Poster Session: Leibniz Universität Hannover, Schneiderberg 39, 30167 Hannover, Foyer, Laboratory of Nano and Quantum Engineering (Building 3430)

09:00 Greetings

09:15 - 10:45 Session I (in the multimedia lecture hall)

• From Semiconductor Photonics to Quantum Communication
  Jingzhong Yang
  Institute for Solid State Physics

• Colloidal semiconductor nanocrystals: from flask to function
  Artsiom Antanovich
  Institute of Physical Chemistry and Electrochemistry

• Einstein Telescope
  Michèle Heurs
  Institute for Gravitational Physics

10:45 Conference photo

10:50 - 11:20 Coffee break

11:20 - 12:20 Session II

• Adaptive Nanotechnology: Stimuli Responsive Particles in Polymer Matrices for Biomedical Use
  Florian Klodwig-Kirstein & Valentin Hagemann  
  Institute of Inorganic Chemistry

• Development of scalable surface-electrode ion traps and advanced packaging methods
  Friederike Giebel
  QUEST Institute for Experimental Quantum Metrology, PTB & Institute for Quantum Optics

12:20 - 13:30 Lunch break

13:30 - 15:00 Poster Session (in the LNQE research building)

15:15 – 16:45 Session III

• Miniaturized 3D Glass Package for High-Efficiency and High-Power Density 48V DC-DC Converter
  Jannik Koch
  Institute for Microproduction Technology

• Magnetic nanoparticles and their assembly: a toolkit for novel functional materials
  Irene Morales Casero
  Institute of Inorganic Chemistry & Cluster of Excellence PhoenixD

• Tuning Electronic Properties in Graphene-Systems through Strain
  Lina Bockhorn
  Institute for Solid State Physics

16:45 – 17:00 Award ceremony of the poster prize

Follow-up: Get-together in the LNQE-research building to conclude the NanoDay 2025