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Micro-physical Properties of Carbonaceous Aerosol Particles Generated by Laser Ablation of a Graphite Target : Volume 7, Issue 9 (30/09/2014)

By Ajtai, T.

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Book Id: WPLBN0004000030
Format Type: PDF Article :
File Size: Pages 20
Reproduction Date: 2015

Title: Micro-physical Properties of Carbonaceous Aerosol Particles Generated by Laser Ablation of a Graphite Target : Volume 7, Issue 9 (30/09/2014)  
Author: Ajtai, T.
Volume: Vol. 7, Issue 9
Language: English
Subject: Science, Atmospheric, Measurement
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Utry, N., Pintér, M., Tápai, C., Kecskeméti, G., Hopp, B., Ajtai, T.,...Smausz, T. (2014). Micro-physical Properties of Carbonaceous Aerosol Particles Generated by Laser Ablation of a Graphite Target : Volume 7, Issue 9 (30/09/2014). Retrieved from

Description: Hungarian Academy of Sciences – University of Szeged (MTA-SZTE) Research Group on Photoacoustic Spectroscopy, 6720 Szeged Dóm tér 9, Hungary. In this work the authors propose laser ablation as a highly versatile tool for carbonaceous aerosol generation. The generated carbonaceous particles can be used as a model aerosol for atmospheric black carbon. Various microphysical properties including mass concentration, size distribution and morphology of aerosol particles generated by laser ablation of a high purity graphite sample were investigated in detail. These measurements proved that the proposed method can be used to generate both primary particles and fractal aggregates with a high yield. As a further advantage of the method the size distribution of the generated aerosol can cover a wide range, and can be tuned accurately with laser fluence, the ambient composition or with the volumetric flow rate of the carrier gas.

Micro-physical properties of carbonaceous aerosol particles generated by laser ablation of a graphite target

Ajtai, T., Filep, Á., Kecskeméti, G., Hopp, B., Bozóki, Z., and Szabó, G.: Wavelength dependent mass-specific optical absorption coefficients of laser generated coal aerosols determined from multi-wavelength photoacoustic measurements, Appl. Phys. A-Mater., 103, 1165–1172, 2011.; Allen, G., Sioutas, C., Koutrakis, P., Reiss, R., Lurmann, F. W., and Roberts, P. T.: Evaluation of the TEOM method for measurement of ambient particle mass in urban areas, J. Air Waste Manage., 47, 682–689, 1997.; Bond, T. C., Doherty, S. J., Fahey, D. W., Forster, P. M., Berntsen, T., DeAngelo, B. J., Flanner, M. G., Ghan, S., Kärcher, B., Koch, D., Kinne, S., Kondo, Y., Quinn, P. K., Sarofim, M. C., Schultz, M. G., Schulz, M., Venkataraman, C., Zhang, H., Zhang, S., Bellouin, N., Guttikunda, S. K., Hopke, P. K., Jacobson, M. Z., Kaiser, J. W., Klimont, Z., Lohmann, U., Schwarz, J. P., Shindell, D., Storelvmo, T., Warren, S. G., and Zender, C. S.: Bounding the role of black carbon in the climate system: a scientific assessment, J. Geophys. Res.-Athmos., 118, 1–173, 2013.; Baumgardner, D., Popovicheva, O., Allan, J., Bernardoni, V., Cao, J., Cavalli, F., Cozic, J., Diapouli, E., Eleftheriadis, K., Genberg, P. J., Gonzalez, C., Gysel, M., John, A., Kirchstetter, T. W., Kuhlbusch, T. A. J., Laborde, M., Lack, D., Müller, T., Niessner, R., Petzold, A., Piazzalunga, A., Putaud, J. P., Schwarz, J., Sheridan, P., Subramanian, R., Swietlicki, E., Valli, G., Vecchi, R., and Viana, M.: Soot reference materials for instrument calibration and intercomparisons: a workshop summary with recommendations, Atmos. Meas. Tech., 5, 1869–1887, doi:10.5194/amt-5-1869-2012, 2012.; Chakrabarty, R. K., Moosmüller, H., Arnott, W. P., Garro, M. A., Slowik, J. G., Cross, E. S., Han, J.-H., Davidovits, P., Onasch, T. B., and Worsnop, D. R.: Light scattering and absorption by fractal-like carbonaceous chain aggregates: Comparison of theories and experiment, Appl. Optics, 46, 6990–7006, 2007.; Gelencsér, A.: Carbonaceous Aerosol, Springer-Verlag GmbH, 2004.; Hand, J. L., Malm, W. C., Laskin, A., Day, D., Lee, T., Wang, C., Carrico, C., Carrillo, J., Cowin, J. P., Collett, J., and Iedema, M. J.: Optical, physical, and chemical properties of tar balls observed during the Yosemite Aerosol Characterization Study, J. Geophys. Res., 110, D21210, doi:10.1029/2004JD005728, 2005.; Hawa, T. and Zachariac, M.: Coalescence kinetics of unequal sized nanoparticles, J. Aerosol Sci., 37, 1–15, 2006.; Hopp, B., Kecskeméti, G., Smausz, T., Ajtai, T., Filep, A., Utry, N., Kohut, A., Bozóki, Z., and Szabó, G.: Characterization of excimer laser ablation generated pepsin particles using multi-wavelength photoacoustic instrument, Appl. Phys. A-Mater., 107, 429–435, 2012.; IPCC: Summary for Policymakers, in: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K. B., Tignor, M., and Miller, H. L., Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, available at: (last access: 9 June 2011), 2007.; Jerret, M., Burnett, R. T., Ma, R. J., Pope, C. A., Krewski, D., Newbold, K. B., Thurston, G., Shi, Y. L., Finkelstein, N., Cale, E. E., and Thun, M. J.: Spatial analysis of air pollution and mortality in Los Angeles, Epidemiology, 16, 727–736, 2005.; Kirchstetter, T. W. and Novakov, T.: Evidence that the spectral dependence of light absorption by aerosols is affected by organic carbon, J. Geophys. Res., 109, D21208, doi:10.1029/2004JD004999, 2004.; Pope, C. A. II


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