Walter, Johannes › CRC 1411 Design of Particulate Products

Dr.-Ing. Johannes Walter

Managing Director; Project Leader C04

Interdisciplinary Center for Functional Particle Systems (FPS); Institute of Particle Technology (LFG)
Friedrich-Alexander-Universität Erlangen-Nürnberg

Room 01.808
Cauerstraße 4
91058 Erlangen

Recent publications

A full list can be found here.

Lin W., Greve C., Härtner S., Götz K., Walter J., Wu M., Rechberger S., Spiecker E., Busch S., Schmutzler T., Avadhut Y., Hartmann M., Unruh T., Peukert W., Segets D.:
Unraveling Complexity: A Strategy for the Characterization of Anisotropic Core Multishell Nanoparticles
In: Particle & Particle Systems Characterization (2020)
ISSN: 0934-0866
DOI: 10.1002/ppsc.202000145
Rey M., Uttinger M., Peukert W., Walter J., Vogel N.:
Probing particle heteroaggregation using analytical centrifugation
In: Soft Matter 16 (2020), p. 3407-3415
ISSN: 1744-683X
DOI: 10.1039/D0SM00026D
Uttinger M., Boldt S., Wawra S., Freiwald T., Damm C., Walter J., Lerche D., Peukert W.:
New Prospects for Particle Characterization Using Analytical Centrifugation with Sector-Shaped Centerpieces
In: Particle & Particle Systems Characterization (2020)
ISSN: 0934-0866
DOI: 10.1002/ppsc.202000108
Wawra S., Onishchukov G., Maranska M., Eigler S., Walter J., Peukert W.:
A multiwavelength emission detector for analytical ultracentrifugation
In: Nanoscale Advances (2019)
ISSN: 2516-0230
DOI: 10.1039/C9NA00487D
Peukert W., Walter J.:
Centrifugation | Analytical Ultracentrifugation
In: Paul Worsfold, Colin Poole, Alan Townshend, Manuel Miró (ed.): Encyclopedia of Analytical Science, Elsevier, 2019, p. 372-382
DOI: 10.1016/B978-0-12-409547-2.14528-7
Peukert W., Walter J.:
Specific Properties of Nanoparticles
In: Ko Higashitani, Hisao Makino, Shuji Matsusaka (ed.): Powder Technology Handbook, Fourth Edition, CRC Press, 2019, p. 59-68
Uttinger M., Wawra S., Guckeisen T., Walter J., Bear A., Thajudeen T., Sherwood PJ., Smith AS., Wagemans AM., Stafford WF., Peukert W.:
A Comprehensive Brownian Dynamics Approach for the Determination of Non-ideality Parameters from Analytical Ultracentrifugation
In: Langmuir (2019)
ISSN: 0743-7463
DOI: 10.1021/acs.langmuir.9b01916
Klupp Taylor R., Meincke T., Sadafi FZ., Walter J., Pflug L., Watanabe S., Peukert W., Stingl M.:
Anisometric engineering of particle interfaces: Multidimensional characterization and gram‐scale production
ProcessNet‐Jahrestagung und 33. DECHEMA‐Jahrestagung der Biotechnologen 2018 (Aachen, 11. September 2018 - 13. September 2018)
In: Chemie Ingenieur Technik (Special Issue: ProcessNet‐Jahrestagung und 33. DECHEMA‐Jahrestagung der Biotechnologen 2018), Weinheim: 2018
DOI: 10.1002/cite.201855147
URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/cite.201855147?af=R
Wawra S., Thoma M., Walter J., Lübbert C., Thajudeen T., Damm C., Peukert W.:
Ionomer and protein size analysis by analytical ultracentrifugation and electrospray scanning mobility particle sizer
In: European Biophysics Journal 47 (2018), p. 777-787
ISSN: 0175-7571
DOI: 10.1007/s00249-018-1314-2
Pearson J., Walter J., Peukert W., Coelfen H.:
Advanced Multiwavelength Detection in Analytical Ultracentrifugation
In: Analytical Chemistry 90 (2018), p. 1280-1291
ISSN: 0003-2700
DOI: 10.1021/acs.analchem.7b04056
Akdas T., Walter J., Gorbet G., Segets D., Demeler B., Peukert W.:
2D analysis of polydisperse core-shell nanoparticles using analytical ultracentrifugation
In: Analyst 142 (2017), p. 206-217
ISSN: 0003-2654
DOI: 10.1039/c6an02236g
Thajudeen T., Walter J., Srikantharajah R., Lübbert C., Peukert W.:
Determination of the length and diameter of nanorods by a combination of analytical ultracentrifugation and scanning mobility particle sizer
In: Nanoscale Horizons 2 (2017), p. 253-260
ISSN: 2055-6756
DOI: 10.1039/c7nh00050b
Thajudeen T., Walter J., Uttinger M., Peukert W.:
A Comprehensive Brownian Dynamics-Based Forward Model for Analytical (Ultra)Centrifugation
In: Particle & Particle Systems Characterization 34 (2017), Article No.: 1600229
ISSN: 0934-0866
DOI: 10.1002/ppsc.201600229
Nacken T., Halbig CE., Wawra S., Damm C., Romeis S., Walter J., Tehrani MJ., Hu Y., Ishii Y., Eigler S., Peukert W.:
Structural factors controlling size reduction of graphene oxide in liquid processing
In: Carbon 125 (2017), p. 360-369
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2017.09.066
Salaheldin AM., Walter J., Herre P., Levchuk I., Jabbari Y., Kolle J., Brabec C., Peukert W., Segets D.:
Automated synthesis of quantum dot nanocrystals by hot injection: Mixing induced self-focusing
In: Chemical Engineering Journal 320 (2017), p. 232-243
ISSN: 0300-9467
DOI: 10.1016/j.cej.2017.02.154
URL: http://www.sciencedirect.com/science/article/pii/S1385894717303340
Uttinger M., Walter J., Thajudeen T., Wawra S., Peukert W.:
Brownian dynamics simulations of analytical ultracentrifugation experiments exhibiting hydrodynamic and thermodynamic non-ideality
In: Nanoscale 9 (2017), p. 17770-17780
ISSN: 2040-3364
DOI: 10.1039/c7nr06583c
Akdas T., Haderlein M., Walter J., Apeleo Zubiri B., Spiecker E., Peukert W.:
Continuous synthesis of CuInS2 quantum dots
In: RSC Advances 7 (2017), p. 10057-10063
ISSN: 2046-2069
DOI: 10.1039/c6ra27052b
Peukert W., Karabudak E., Brookes E., Lesnyak V., Gaponik N., Eychmüller A., Walter J., Segets D., Wohlleben W., Demeler B., Cölfen H.:
Simultaneous Identification of Spectral Properties and Sizes of Multiple Particles in Solution with Subnanometer Resolution
In: Angewandte Chemie-International Edition 55 (2016), p. 11770-11774
ISSN: 1433-7851
DOI: 10.1002/anie.201603844
Peukert W., Walter J.:
Dynamic range multiwavelength particle characterization using analytical ultracentrifugation.
In: Nanoscale 8 (2016), p. 7484-95
ISSN: 2040-3364
DOI: 10.1039/c5nr08547k
Lin W., Haderlein M., Walter J., Peukert W., Segets D.:
Spectra library: An assumption-free in situ method to access the kinetics of catechols binding to colloidal ZnO quantum dots
In: Angewandte Chemie International Edition 55 (2016), p. 932-935
ISSN: 1433-7851
DOI: 10.1002/anie.201508252
Walter J., Segets D., Peukert W.:
Extension of the Deep UV-Capabilities in Multiwavelength Spectrometry in Analytical Ultracentrifugation: The Role of Oil Deposits
In: Particle & Particle Systems Characterization 33 (2016), p. 184-189
ISSN: 0934-0866
DOI: 10.1002/ppsc.201500212
Margraf J., Lodermeyer F., Strauß V., Haines P., Walter J., Peukert W., Costa RD., Clark T., Guldi DM.:
Using carbon nanodots as inexpensive and environmentally friendly sensitizers in mesoscopic solar cells
In: Nanoscale Horizons 1 (2016), p. 220-226
ISSN: 2055-6756
DOI: 10.1039/c6nh00010j
Halbig CE., Nacken T., Walter J., Damm C., Eigler S., Peukert W.:
Quantitative investigation of the fragmentation process and defect density evolution of oxo-functionalized graphene due to ultrasonication and milling
In: Carbon 96 (2016), p. 897-903
ISSN: 0008-6223
DOI: 10.1016/j.carbon.2015.10.021
Peukert W., Nacken T., Walter J., Thajudeen T., Segets D., Sherwood P., Stafford W.:
Multidimensional Nanoparticle Characterization by Means of Analytical Ultracentrifugation and Multiwavelength Detection
In: Chemie Ingenieur Technik 88 (2016)
ISSN: 0009-286X
DOI: 10.1002/cite.201650214
Lin W., Walter J., Burger A., Maid H., Hirsch A., Peukert W., Segets D.:
A General Approach To Study the Thermodynamics of Ligand Adsorption to Colloidal Surfaces Demonstrated by Means of Catechols Binding to Zinc Oxide Quantum Dots
In: Chemistry of Materials 27 (2015), p. 358--369
ISSN: 0897-4756
DOI: 10.1021/cm504080d
Peukert W., Wang W., Damm C., Walter J., Nacken T.:
Photobleaching and stabilization of carbon nanodots produced by solvothermal synthesis.
In: Physical Chemistry Chemical Physics 18 (2015), p. 466-475
ISSN: 1463-9076
DOI: 10.1039/c5cp04942c
Peukert W., Walter J., Lin W., Segets D., Sherwood P., Stafford W.:
Simultaneous Analysis of Hydrodynamic and Optical Properties Using Analytical Ultracentrifugation Equipped with Multiwavelength Detection
In: Analytical Chemistry 87 (2015), p. 3396--3403
ISSN: 0003-2700
DOI: 10.1021/ac504649c
Toni F., Xing H., Walter J., Strauß V., Nacken T., Damm C., Wirth KE., Guldi DM., Peukert W.:
Production of well dispersible single walled carbon nanotubes via a "floating catalyst"-method
In: Chemical Engineering Science 138 (2015), p. 385-395
ISSN: 0009-2509
DOI: 10.1016/j.ces.2015.08.002
Schindler T., Walter J., Peukert W., Segets D., Unruh T.:
In Situ Study on the Evolution of Multimodal Particle Size Distributions of ZnO Quantum Dots: Some General Rules for the Occurrence of Multimodalities
In: Journal of Physical Chemistry B 119 (2015), p. 15370-15380
ISSN: 1520-6106
DOI: 10.1021/acs.jpcb.5b08005
Akdas T., Walter J., Segets D., Distaso M., Winter B., Birajdar B., Spiecker E., Peukert W.:
Investigation of the size-property relationship in CuInS2 quantum dots
In: Nanoscale 7 (2015), p. 18105-18118
ISSN: 2040-3364
DOI: 10.1039/c5nr04291g
Walter J., Thajudeen T., Süß S., Segets D., Peukert W.:
New possibilities of accurate particle characterisation by applying direct boundary models to analytical centrifugation
In: Nanoscale 7 (2015), p. 6574--6587
ISSN: 2040-3364
DOI: 10.1039/c5nr00995b
Nacken T., Damm C., Walter J., Rüger A., Peukert W.:
Delamination of graphite in a high pressure homogenizer
In: RSC Advances 5 (2015), p. 57328-57338
ISSN: 2046-2069
DOI: 10.1039/c5ra08643d
Walter J., Löhr K., Karabudak E., Reis W., Mikhael J., Peukert W., Wohlleben W., Coelfen H.:
Multidimensional Analysis of Nanoparticles with Highly Disperse Properties Using Multiwavelength Analytical Ultracentrifugation
In: ACS nano 8 (2014), p. 8871--8886
ISSN: 1936-0851
DOI: 10.1021/nn503205k
Walter J., Nacken T., Damm C., Thajudeen T., Eigler S., Peukert W.:
Determination of the Lateral Dimension of Graphene Oxide Nanosheets Using Analytical Ultracentrifugation
In: Small 11 (2014), p. 814--825
ISSN: 1613-6829
DOI: 10.1002/smll.201401940
Strauß V., Margraf J., Dolle C., Butz B., Nacken T., Walter J., Bauer W., Peukert W., Spiecker E., Clark T., Guldi DM.:
Carbon Nanodots: Toward a Comprehensive Understanding of Their Photoluminescence
In: Journal of the American Chemical Society 136 (2014), p. 17308--17316
ISSN: 0002-7863
DOI: 10.1021/ja510183c
Rumpel A., Novak M., Walter J., Braunschweig B., Halik M., Peukert W.:
Tuning the molecular order of C-60 functionalized phosphonic acids
In: ACS National Meeting Book of Abstracts 244 (2012)
ISSN: 0065-7727
(anderer)
Braunschweig B, Engelhardt K, Rumpel A, Walter J, Peukert W:
Protein adsorption at the electrified air-water interface: Implications on foam stability
244 (2012), Article No.: 562-COLL
ISSN: 0065-7727
(anderer)
Engelhardt K., Rumpel A., Walter J., Dombrowski J., Kulozik U., Braunschweig B., Peukert W.:
Protein adsorption at the electrified air-water interface: Implications on foam stability
In: Langmuir 28 (2012), p. 7780-7787
ISSN: 0743-7463
DOI: 10.1021/la301368v
Rumpel A., Novak M., Walter J., Braunschweig B., Halik M., Peukert W.:
Tuning the Molecular Order of C60 Functionalized Phosphonic Acid Monolayers
In: Langmuir 27 (2011), p. 15016 - 15023
ISSN: 0743-7463
DOI: 10.1021/la203916h
URL: http://pubs.acs.org/doi/abs/10.1021/la203916h?prevSearch=%255BAllField%253A%2B%255BAllField%253A%2BTuning%2Bthe%2BMolecular%2BOrder%2Bof%2BC60%2BFunctionalized%2BPhosphonic%2BAcid%2BMonolayers%255D%255D&searchHistoryKey=