Prof. Dr.-Ing. Hoc Khiem Trieu
21073 HamburgTel. +49 40/42878-4398E-mail contactWebsite
Analysis systems and sensors
- Development of a planar integrated micromass spectrometer (PIMMS)
- New materials for Neue Materialien für strain gauges
- Fluid entrainment vacuum pump for microsystems technology
- Planar microburner in microsystems technology
- Paramagnetic oxygen sensor in microsystems technology I
- Paramagnetic oxygen sensor in microsystems technology II
Optics
- SOI-waveguide and -components based on amorphous and polycrystalline silicon
- Active and tunable microphotonic systems based on Silicon-On-Insulator (SOI)
Simulation and microfluidics systems
- Microfluidic systems development for enzymatic multistep bioreactors
- FEM simulation of coupled problems in microsystems technology
- Development of a microinjector for miniaturized gas analysis systems
Medical technology
- Implantable glucose sensor
- Optotensometry - Development of a screening process of the tubal function
- Silicon waveguide
- Intelligent osteosynthesis - Development of fixateur-interne-systems to monitor fracture healing
- Active intravascular magnetic resonance probe in microsystem stechnology for locally high-resolution characterization of tissue properties on the basis of optical signal transmission
- Tubal functions measurements and monitoring of wound healing in the middle ear - sensor structuring on highly flexible foils
- Mechanical microsystem for restoring spinal cord continuity in paraplegia
Energy systems
- Electron beam recrystallized silicon-a-Si-poly-Si-thick layer solar cell on floatglas substrate
- Micro fuel cell
- Photolithography (imagesetter, varnish process bench, ovens)
- Deposition processes (sputtering, vapor deposition, plasma polymerization, LPCVD, PECVD, electroplating, monolayers)
- Structuring processes (photolithography, nano-imprint, plasma etching & dry etching, wet chemistry)
- Sample processing (oxidation, recrystallization, tempering, sawing, grinding and polishing equipment, critical point dryer)
- Assembly and joining technology (wire bonding, anodic bonding, bonding, SMD soldering technology)
- Clean room (class ISO 2)
- Analytics (mechanical layer thickness measurement, gas chromatography, atomic force microscopy, contact angle measurement, four-point measuring station, CV measuring station, Deep Level Transient Spectroscopy (DLTS), SEM and TEM, light microscopy, laser profilometer, measuring station for photonic Si waveguides, laser, ellipsometer, Fourier transform infrared spectrometry (FTIR)
• Hensel, A., Schröter, C.J., Schlicke, H., Schulz, N., Riekeberg, S., Trieu, H.K., Stierle, A., Noei, H., Weller, H., Vossmeyer, T.: Elasticity of cross-linked titania nanocrystal assemblies probed by afm-bulge tests. (2019) Nanomaterials, 9 (9), art. no. 1230, .
• Lipka, T., Gomberg, I., Trieu, H.K.: Permanent optimization of large-FSR dual-microring bandpass filters. (2019) 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, art. no. 8871617, .
• Von Poblotzki, J.M., Lipka, T., Voss, C., Trieu, H.K.: Advances in Manufacturing of Biodegradable Spinal Cord Implants on Microscale through Micromolding and 3D Printing. (2019) 2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII, art. no. 8808647, pp. 2185-2188.
• Bohne, S., Heymann, M., Chapman, H.N., Trieu, H.K., Bajt, S.: 3D printed nozzles on a silicon fluidic chip. (2019) Review of Scientific Instruments, 90 (3), art. no. 035108, .
• Mannhardt, I., Warncke, C., Trieu, H.K., Müller, J., Eschenhagen, T.: Piezo-bending actuators for isometric or auxotonic contraction analysis of engineered heart tissue. (2019) Journal of Tissue Engineering and Regenerative Medicine, 13 (1), pp. 3-11.
• Lipka, T., Trieu, H.K.: Manufacturing variability estimations for deposited silicon photonic circuits. (2017) 14th International Conference on Group IV Photonics, GFP 2017, art. no. 8082198, pp. 65-66.
• Akay, S., Heils, R., Trieu, H.K., Smirnova, I., Yesil-Celiktas, O.: An injectable alginate-based hydrogel for microfluidic applications. (2017) Carbohydrate Polymers, 161, pp. 228-234.
• Lipka, T., Moldenhauer, L., Wahn, L., Trieu, H.K.: Optofluidic biomolecule sensors based on a-Si:H microrings embedded in silicon-glass microchannels. (2017) Optics Letters, 42 (6), pp. 1084-1087.
• Moldenhauer, L., Lipka, T., Venegas-Rojas, D., Igeta, K., Trieu, H.K.: Optofluidic a-Si:H-based photonic lab-on-chip with dispersion engineered resonance spectra. (2017) IEEE Photonics Technology Letters, 29 (4), art. no. 7814250, pp. 412-415.
• Besztejan, S., Keskin, S., Manz, S., Kassier, G., Bücker, R., Venegas-Rojas, D., Trieu, H.K., Rentmeister, A., Miller, R.J.D.: Visualization of Cellular Components in a Mammalian Cell with Liquid-Cell Transmission Electron Microscopy. (2017) Microscopy and Microanalysis, pp. 1-10. Article in Press.
• Lipka, T., Moldenhauer, L., Trieu, H.K.: Towards energy-efficient CMOS-backend compatible photonic circuits. (2016) 2016 Optical Fiber Communications Conference and Exhibition, OFC 2016, art. no. 7537535.
• Lipka, T., Muller, J., Trieu, H.K.: Systematic nonuniformity analysis of amorphous silicon-on-insulator photonic microring resonators. (2016) Journal of Lightwave Technology, 34 (13), art. no. 7445821, pp. 3163-3170.
• Lipka, T., Moldenhauer, L., Müller, J., Trieu, H.K.: Photonic integrated circuit components based on amorphous silicon-on-insulator technology. (2016) Photonics Research, 4 (3), pp. 126-134.
• Brazda, N., Estrada, V., Voss, C., Seide, K., Trieu, H.K., Müller, H.W.: Experimental strategies to bridge large tissue gaps in the injured spinal cord after acute and chronic lesion. (2016) Journal of Visualized Experiments, 2016 (110), art. no. e53331, .
• Keskin, S., Besztejan, S., Kassier, G., Manz, S., Bücker, R., Riekeberg, S., Trieu, H.K., Rentmeister, A., Miller, R.J.D.: Visualization of Multimerization and Self-Assembly of DNA-Functionalized Gold Nanoparticles Using In-Liquid Transmission Electron Microscopy. (2015) Journal of Physical Chemistry Letters, 6 (22), pp. 4487-4492.
• Lipka, T., Moldenhauer, L., Müller, J., Trieu, H.K.: Energy-Efficient Wavelength Multiplexers Based on Hydrogenated Amorphous Silicon Resonators. (2015) IEEE Photonics Journal, 7 (5), art. no. 6600211, .
• Meyne Nee Haase, N., Fuge, G., Trieu, H.K., Zeng, A.-P., Jacob, A.F.: Miniaturized Transmission-Line Sensor for Broadband Dielectric Characterization of Biological Liquids and Cell Suspensions. (2015) IEEE Transactions on Microwave Theory and Techniques, 63 (10), art. no. 7244256, pp. 3026-3033.
• Lipka, T., Moldenhauer, L., Müller, J., Trieu, H.K.: Athermal and wavelength-trimmable photonic filters based on TiO2-cladded amorphous-SOI. (2015) Optics Express, 23 (15), pp. 20075-20088.
• Fagaschewski, J., Sellin, D., Wiedenhöfer, C., Bohne, S., Trieu, H.K., Hilterhaus, L.: Spatially resolved in situ determination of reaction progress using microfluidic systems and FT-IR spectroscopy as a tool for biocatalytic process development. (2015) Bioprocess and Biosystems Engineering, 7 p. Article in Press.
• Lipka, T., Kiepsch, M., Trieu, H.K., Müller, J.: Hydrogenated amorphous silicon photonic device trimming by UV-irradiation. (2014) Optics Express, 22 (10), pp. 12122-12132.
Meyne, N., Müller-Wichards, W., Trieu, H.K., Jacob, A.F.: Quasi-lumped coplanar transmission-line sensors for broadband liquid characterization. (2014) European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference, art. no. 6986527, pp. 687-690.