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Keramische WerkstoffeSensors / Stimuli-responsive materials

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Sensors / Stimuli-reponsive matrials


Developing new sensor designs capable for selective gas detection and /or for sensing in harsh environments will significantly enhance the application areas of gas sensors leading to the advancements in the environmental protection, process efficiency and safety.

Sensing under harsh environments, such as offshore oil and gas platforms, refineries, liquefied natural/petroleum gas plants, is a challenging task due to the instability of semiconducting oxides and nitrides in specific process conditions. The selective detection of gases is required in several emerging fields, among them: (i) automotive applications of ceramic gas sensors (NOx, Lambdaprobe), (ii)  detection of H2 / CxHy leaks in household appliances, (ii)i monitoring gas separation efficiency in various applications, including (i) hydrogen recovery (H/ CxHy), (ii) natural gas dehydration (CxHy / H2O), (iii) raw natural gas purification (CH/ C3H8, CH/ C4H10), (iv) detection of NOx, CxHy, SO2, and CO in exhaust gases, and (v) detection of CO2, H2O and toxic gases for air quality monitoring.


  • Exploring carbon-based and hybrid organic-inorganic ink-jet printed materials with low power consumption for room-temperature gas detection
  • Enhancement of the selectivity of chemiresistors and the improvement of their stability in harsh environments through Si-containing ceramic filters derived from polymers
  • In-situ and operando characterization for probing the gas sensing mechanisms
Representative publications
1. “Insights into the mechanism of gas sensor operation”, in Metal Oxide Nanomaterials for Chemical Sensors, Eds.: Michael A. Carpenter, Sanjay Mathur, Andrei Kolmakov, Springer, New York, 2013, 3-34
A. Gurlo
2. “Ceramic gas sensors”, in Ceramics Science and Technology, Vol. 4, Eds.: R. Riedel, I-Wei Chen, Wiley-VCH, 2013, 447-470
A. Gurlo
3. Nanosensors: towards morphological control of gas sensing activity. SnO2, In2O3, ZnO and WO3 case studies, Nanoscale, 3 (2011) 154-165 (feature article)
A. Gurlo
4. R. Riedel, Active metal electrode-oxide interface in gas sensor operation probed by in-situ time-resolved X-ray spectroscopy, ChemPhysChem, 11 (2010) 79-82
A. Gurlo
5. In situ and operando spectroscopy for assessing mechanism of gas sensing, Angewandte Chemie – International Edition, 46 (2007) 3826-3848 (review)
A. Gurlo, R. Riedel
6. Interplay between O2 and SnO2: oxygen ionosorption and spectroscopic evidence of adsorbed oxygen, ChemPhysChem, 7 (2006) 2041-52 (minireview)
A. Gurlo
7. High-sensitivity hydrogen detection: hydrogen-Induced swelling of multiple cracked palladium films on compliant substrates, Angewandte Chemie – International Edition, 50 (2011) 43, 10130-32 (highlight)
A. Gurlo, D. Clarke
8. Monitoring gas sensors at work: operando Raman-FTIR study of ethanol detection by indium oxide, Angew Chem Int Ed 52 (2013) 3607 –3610.
S. Sänze, A. Gurlo, C. Hess
9. Synthesis, characterization, electronic and gas sensing properties towards H2 and CO of transparent, large area, low layer graphene, Chemistry - a European Journal, 18 (2012) 14996-15003
E. Kayhan, R. M. Prasad, A. Gurlo, O. Yilmazoglu, J. Engstler, E. Ionescu, S. Yoon, A. Weidenkaff, J. J. Schneider
10. Nanoscaled tin dioxide films processed from organotin-based hybrid materials: an organometallic route toward metal oxide gas sensors, Nanoscale, 4 (2012) 6806-13
L. Renard, O.Babot, H. Saadaoui, H. Fuess, J. Brötz, A. Gurlo, E. Arveux, A. Klein, T. Toupance

Contact: Prof. Dr. Aleksander Gurlo (gurlo(at)ceramics.tu-berlin.de)




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