The language was changed to English.

Course Type (SWS)
Lecture: 2 │ Exercise: 1 │ Lab: 0 │ Seminar: 0
Exam Number: ZKA 41306
Type of Lecture:

Lecture based on powerpoint presentations and moodle, furthermore excercises that are solved individually. Solutions are presented in a seminar

Language: German
Cycle: SS
ECTS: 4
Exam Type
According to the examination regulation the type and duration of the examination will be defined from the lecturer before the semester starts. Therefore an examination can be a written test with a length of 60 to 120 minutes or an oral examination with a length of 30 to 60 minutes. The language of the examination is the same as the language of the lecture.
Oral Exam (30-60 min.)
Written Exam (60-120 min.)
assigned Study Courses
assigned People
assigned Modules
Information
Beschreibung:

Die wichtigsten Methoden zur Bestimmung der Nanodispersität werden vorgestellt.
Inhalt:
1. Größe und Form von Nanopartikeln. Äquivalenzdurchmesser. Größenverteilungsfunktion (differenziel und integral, Normal und Lognormalverteilung), Art der Größebestimmung (Off-,in-,on-line, in-,ex-situ).

2.Off-line und ex-situ Techniken.
2.1 Statische Probleme in der Probenahme (sampling bias, Statistik)
2.2 Probenahmetechniken
2.3 Analyse und Bildverarbeitung von TEM und SEM Daten.
2.4 BET (Gasadsorption, Brunauer-Emmett-Teller Theorie)
2.5 XRD

3 On-line Techniken
3.1 Diffusionsbatterie und tracking analysis
3.2 Differentieller mobiulitätsanalyse
3.3 Hochvakuum TechnikenQuadrupol, time-of-flight und PMS
3.4 Laserinduzierte Inkandeszenz

Lernziele:

Die Studierenden sind in der Lage, die physikalischen Hintergründe und die Funktionsweise der wichtigsten Techniken zur Bestimmung der Nanodispersität zu erklären.

Literatur:

1. F.E. Kruis, Size analysis of nanodisperse systems, manuscript, 2011.
2. P.A. Baron, K. Willeke, Aerosol Measurement Principles, Techniques, and Applications (2001)
3. K.L. Mittal, Particles on surfaces (VSP, Utrecht, 2003)
4. F.E.Kruis, Vorlesungsmanuskript physikalische Partikelsynthese (ZFUW, Kaiserslautern, 2005)
5. P. Milani and S. Iannotta, Cluster Beam Synthesis of Nanostructured Materials, Springer Series in Cluster Physics (Springer-Verlag, Berlin, 1999)
und aktuelle wissenschaftliche Veröffentlichungen

Vorleistung:
Infolink:
Bemerkung:
Description:

The most important methods to determine the nanodispersity of particle systems are being presented.
Contents:
1. Size and shape of nanoparticles. Equivalent diameters. Presentation of the particle size distribution function (differential and integral, normal and lognormal distributions, sectional presentation, weighting, conversion). Type of size measurements (Off-,in-,on-line, in-,ex-situ).

2.Off-line and ex-situ techniques.
2.1 Statistical problems in sampling (sampling bias, statistical problems).
2.2 Sampling techniques
2.3 Analysis and image analysis of TEM and SEM data.
2.4 BET (gas adsorption, Brunauer-Emmett-Teller theory)
2.5 XRD

3 On-line techniques
3.1 Diffusion battery and tracking analysis
3.2 Differential mobility analysis
3.3 Highvacuum techniques: Quadrupol, time-of-flight and PMS
3.4 Laser induced incandescence

Learning Targets:

The student are able to explain the physical background and principles of the most important methods to determine the nanodispersity.

Literature:

1. F.E. Kruis, Size analysis of nanodisperse systems, manuscript, 2011.
2. P.A. Baron, K. Willeke, Aerosol Measurement Principles, Techniques, and Applications (2001)
3. K.L. Mittal, Particles on surfaces (VSP, Utrecht, 2003)
4. F.E.Kruis, Vorlesungsmanuskript physikalische Partikelsynthese (ZFUW, Kaiserslautern, 2005)
5. P. Milani and S. Iannotta, Cluster Beam Synthesis of Nanostructured Materials, Springer Series in Cluster Physics (Springer-Verlag, Berlin, 1999)
und aktuelle wissenschaftliche Veröffentlichungen

Pre-Qualifications:
Info Link:
Notice: