Course detail

Plasma Chemistry

FCH-MAO_PLAAcad. year: 2008/2009

Thermodynamic and kinetics of plasma(nonequilibrium and equilibrium plasma,distribution functions, basic transport processes in plasma, population of electronic, vibrational and rotatiopnal states). Methods of plasma diagnostics (optical, spectral, probe and corpuscular). Plasma in labs.( ss, ac, RF, MW, plasma excited at low and high pressures, capacitively and inductively coupled plasma, dielectric properties of plasma).

Language of instruction

English

Number of ECTS credits

4

Mode of study

Not applicable.

Offered to foreign students

Of all faculties

Learning outcomes of the course unit

Fundamental properties of plasma state, principles of plasma generation and its diagnostics and present methodology of plasma chemistry.

Prerequisites

Physical chemistry - thermodynamics, kinetics.
Physics - mass point motion, electric field and current, magnetic field
Mathematics - differential equations

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Spoken examen.

Course curriculum

1. Plasma thermodynamics and kinetics
Plasma in thermodynamic equilibrium and disequilibrium, Non-isothermic plasma.
Basic collision processes, cross sections, distribution functions.
Boltzmann kinetic equation, basic transport processes in plasma.
Inner and outer plasma parameters.

2. Elementary and chemical processes in plasmas
Electron, vibrational and rotation energy of molecules and population of the appropriate states.
Metastable states, sensibilized fluorescence and non-elastic collisions, pre-dissociation and dissociative recombination.
Mechanisms of ionization and recombination, chemiluminescence in plasma.

3. Plasma diagnostics
Spectral and optical methods, electronic, excitation, vibrational and rotational temperature.
Probe methods, floating and plasma potential, simple and double Langmuir probe.
Corpuscular methods, mass spectrometry, actinometry.

4. Laboratory plasma
Properties and generation of various laboratory plasmas (DC, AC, RF, MW discharges, corona, gliding and barrier discharges).
Plasma at high pressures (arc, plasmatron, spark, unipolar RF and MW discharges), RF discharges coupled capatively and inductively, matching networks, ECR plasma.

5. Plasma properties
Electric conductivity, diffusion and ambipolar diffusion, temperature and concentration of charged particles in various discharges; dielectric properties, permittivity, refraction index, interaction with electromagnetic field; conditions for ignition of the discharges, plasma as the spectral source (ICP).

6.-9. Plasmachemical processes
Rates of the reaction in plasmas, reaction coefficients.
Homogeneous, heterogeneous and homogeny-heterogeneous reactions. PE CVD and PA CVD methods.
Atomic oxygen reactions, creation of oxides, ozone generation, ozonizators, detection.
Atomic nitrogen reactions, Nitridation, surface nitridation, reactions in the post-discharges.
Atomic hydrogen reactions (a-Si:H), plasma etching, reactive ion etching, ion melting.
Plasma polymerization.
Surface hydrophilization and hydrophobization of various materials (polymers, textile, glass, semiconductors).
Grafting, increase of adhesivity and wettability, reactions of aliphatic and aromatic hydrocarbons in plasmas.
Siloxane and silazane reactions, protective coatings, semipermeabile membranes and selective sorption layers.
Magnetron (reactive) sputtering, hard and ultra hard coatings prepared by plasmachemical processes (diamond like layers, a-C:H, microcrystaline diamond thin layers, c-BN, TiN, AlN and nanocrystaline composites).
Plasma spraying, nanocrystalic powder materials, fullerenes, nanotubes.

10. Special kinds of plasma with participation of the chemical reactions
Chemical lasers, pulsed lasers, photodissociative lasers (ASTERIX), flat plasma displays.
Plasma created in the gas mixtures and amalgam vapors, Penning mixtures, plasma in the illumination technique.

Work placements

Not applicable.

Aims

In the lecture are described the fundamental properties of plasma state and presents methodology of plasma chemistry so that students of chemical engineering can apply the unique physical characteristics of plasma to such fields as material sciences, microelectronics, biology, and polymer, organic, inorganic and analytical chemistries.

Specification of controlled education, way of implementation and compensation for absences

none

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

F. Chen, J. P. Chang: Principles of Plasma Processing, Kluwer Academic/ Plenum Publishers 2003, 0 (EN)

Recommended reading

J.R. Roth: Industrial Plasma Engineering Volume 1: Principles (EN)
J.R. Roth: Industrial Plasma Engineering Volume 2: Applications to Nonthermal Plasma Processing (EN)

Classification of course in study plans

  • Programme BPCP_CHCHT_INT Bachelor's

    branch BPCO_SCH , 1. year of study, summer semester, elective
    branch BPCO_CHTOZP , 1. year of study, summer semester, elective
    branch BPCO_CHM , 1. year of study, summer semester, elective
    branch BPCO_TCH , 1. year of study, summer semester, elective

  • Programme DPCP_CHM_INT Doctoral

    branch DPCO_CHM , 2. year of study, summer semester, elective

  • Programme IRA Master's

    branch IRA , 1. year of study, summer semester, elective

  • Programme NPCP_CHM_INT Master's

    branch NPCO_CHM , 1. year of study, summer semester, elective

  • Programme CKCP_CZV lifelong learning

    branch CKCO_CZV , 1. year of study, summer semester, compulsory-optional

Type of course unit

 

Lecture

26 hours, optionally

Teacher / Lecturer

Guided consultation in combined form of studies

39 hours, optionally

Teacher / Lecturer