Vittorio Colombo full professor Emanuele Ghedini researcher.

Paolo Sanibondi post-doc Fabio Rotundo post-doc

Matteo Gherardi post-doc Marco Boselli assistant researcher

Francesca Cavrini assistant researcher Romolo Laurita PhD student

Augusto Stancampiano PhD student Anna Liguori PhD student

Vittorio Colombo full professor Emanuele Ghedini researcher.

Paolo Sanibondi post-doc Fabio Rotundo post-doc

Matteo Gherardi post-doc Marco Boselli assistant researcher

Francesca Cavrini assistant researcher Romolo Laurita PhD student

Augusto Stancampiano PhD student Anna Liguori PhD student

GROUP FOR INDUSTRIAL APPLICATIONS OF PLASMAS Alma Mater Studiorum – Università di Bologna

TD1208 COST ACTION PLASMA & LIQUIDS

- PROCESS DESIGN ORIENTED MODELING

- FULL 3D STEADY/UNSTEADY MODEL WITH EM FIELD, CFD, TURBULENCE, NON-EQUILIBRIUM, CHEMICAL REACTIONS FOR DC AND RF SOURCES

- PLASMA COMPOSITION, THERMODYNAMIC, TRANSPORT AND RADIATION PROPERTIES CALCULATED FOR CUSTOM MIXTURES

- TRACKING OF SOLID/LIQUID/GAS PRECURSOR MATERIAL AND THEIR INTERACTION WITH PLASMA

GROUP EXPERTISE

- 2D/3D NANOPARTICLE SYNTHESIS AND TRANSPORT MODELING, COUPLED WITH CFD AND PLASMA MODELS

- CHEMICAL AND NON-EQUILIBRIUM PROCESSES

THERMAL PLASMA MODELING

• INJECTED PRECURSOR IS FULLY EVAPORATED PASSING THROUGH RF OR DC HIGH TEMPERATURE PLASMA (10,000 K)

• QUENCHED VAPOURS ARE CONDENSED IN NANOPARTICLES DOWNSTREAM THE PLASMA FLAME

• NANOPARTICLES WITH CONTROLLABLE TOTAL SURFACE AREA IN THE RANGE 10-150 m2/g AND MEAN DIAMETER IN THE RANGE 20-300 NM

• PRODUCTION RATES UP TO 100 g/h

Solid micrometric precursor

Nanoparticles at outlet

PLASMA NANOPARTICLE SYNTHESIS

GROUP EXPERTISE

RF Plasma synthesis of Nanopowders

(from www.tekna.com)

LAB SCALE THERMAL PLASMA EQUIPMENT - LAB-SCALE 35 KW - 3 MHZ INDUCTIVELY COUPLED

PLASMA SYSTEM

- PLASMA REACTOR CHAMBERS DESIGNED AND OPTIMIZED FOR NANOPARTICLE SYNTHESIS AND MATERIAL TREATMENTS (PARTICLE SPHEROIDIZATION, WASTE TREATMENT, VITRIFICATION, ...)

- FEEDING SYSTEMS FOR GAS/LIQUID/SOLID PRECURSORS

- IN-SITU FUNCTIONALIZATION BY COLD ATMOSPHERIC PRESSURE PLASMAS

- 1KW PLASMA SYSTEM FOR MATERIAL TREATMENT

- NANOPARTICLE HANDLING IN CONTROLLED ATMOSPHERE IN GLOVE-BOX

- DC PLASMA SYSTEMS FOR PLASMA CUTTING (120A AND 250A)

- CLUSTER FOR PARALLEL COMPUTING (80 CORES TOTAL)

GROUP EXPERTISE

ATMOSPHERIC PRESSURE COLD PLASMAS

GROUP EXPERTISE

NON-EQUILIBRIUM PLASMA SOURCES

Design and production of tailored plasma sources; scale-up and scale-down of plasma sources. Sources developed: Dielectric Barrier Discharges (DBD), plasma jets, coplanar discharges, corona discharges, micro-plasmas, intensified plasma jets, plasma guns, resistive barrier discharges, meso-plasmas

NON-EQUILIBRIUM PLASMAS MATERIAL TREATMENT

Cleaning, activation, thin film deposition, plasma polymerization, interface adhesion improvement, hydrophilization/hydorphobization, anti-fouling treatment

BIOLOGICAL APPLICATIONS OF NON-EQUILIBRIUM PLASMAS

Sterilization, biofilm removal, wound treatment, cancer treatment, dermatological applications, blood coagulations, ...

PLASMA IN LIQUIDS Disinfection, decontamination, material modification, material synthesis

DIAGNOSTICS AND ANALYSIS TOOLS

GROUP EXPERTISE

PLASMA DIAGNOSTICS

- Emission spectroscopy (OES) and enthalpy probe for temperature measurement

- High-speed camera for transients and flow visualization

- iCCD camera for visualization of very fast plasma instabilities

- Schlieren photography

MATERIAL CHARACTERIZATION

BET, FTIR, SEM, TEM and EDS, WCA and Surface Energy measurement

GROUP EXPERTISE

NANOPARTICLE SYNTHESIS

• RF production of Si nanoparticle – modelling, diagnostics, design (EU FP7 - SIMBA project)

• RF production of carbon based nanomaterials (graphene, fullerene, nanotubes) – modeling, experiments

• DC production of nanoparticles – modelling, diagnostics, design • Modelling of fume formation (nanoparticles) in plasma welding (intersection with

Area 5 topics on nanosafety)

THERMAL PLASMA APPLICATIONS

• Modelling, diagnostics, design and experiment of: RF and DC plasma systems, DC twin torch and TIG-MIG welding, AC three-phase plasma furnace

• Plasma waste treatment by RF plasmas • Powder spheroidization by RF plasmas • Intellectual property consulting

ATMOSPHERIC PRESSURE COLD PLASMAS APPLICATIONS

Design, production, characterization and tuning of plasma sources for/to: • Sterilization of pharmaceutical packaging materials • Sterilization and sanitation of packaging materials for the food chain • Increase biocompatibility of materials for tissue engineering • Modification of materials to improve gluing and painting • Cleaning and activation of surfaces • Synthesis of materials in liquid environment • Polymer and thin film deposition

PREVIOUS EXPERIENCES

NMK 2 - 2015: INTEGRATION OF NOVEL NANOMATERIALS INTO EXISTING PRODUCTION LINES (TRL 5-6)

NMK 1 - 2014: OPEN ACCESS PILOT LINES FOR COST EFFECTIVE NANOCOMPOSITES (TRL 4-5)

INTEGRATION OF PLASMA REACTOR FOR IN-SITU NANOMATERIAL PRODUCTION AND FUNCTIONALIZATION IN A PILOT LINE. SELECTION, TESTING AND OPTIMISATION OF MATERIALS. TRL 4 (technology validated in lab) and TRL 5 (technology validated in relevant environment) assessed.

REACTOR CHAMBER DESIGN MODELING

POTENTIAL NMP ACTIVITIES – THERMAL PLASMAS (1)

1) Design through modeling of reactors for plasma synthesis of tailored nanoparticles to be included in a pilot line: • Metallic (Si, Fe, Al, Ni, Ag, Sn, Au, ...) • Oxydes (TiO2, Fe2O3, SiO2, Al2O3, ...) • Carbides (WC, SiC, TiC) • Nitrides (AIN, TiN, BN nanotubes) • Borides (TiB2, LaB6) • Metal alloy nanoparticles (Si-Sn, Si-Cu) • Core-Shell nanoparticles (Si Carbon

coated nanoparticles)

2) Testing of specific nanomaterials to be used in polymer or metallic nanocomposites (e.g. Al2O3, SiO2, Al3Ni2, TiOx)

3) Possibility of online functionalization (thermal or cold plasmas) to increase adhesion between nanoparticle and filling materials or to enhance nanomaterial performance (e.g. Silicon/Carbon-coated nanoparticles)

4) Plasma reactors for the in-situ production of carbon nanostructures (graphene flakes, fullerenes, single wall nanotubes) to be used in nanocomposite materials or pilot lines

NMK 8 - 2014: SCALE-UP OF NANOMEDICINE PRODUCTION (TRL 4-5)

Plasma synthesis can be used as device for bulk production of: - Gold nanoparticles: therapeutic agent delivery, biomarker for

diagnosis of cancers and heart disease, therapeutic agent for cancer treatment...

- Fe-oxide based nanoparticles: imaging contrast agents in diagnostics, cellular and molecular magnetic separation, therapeutic agent...

- Fullerene: as photosensitizer for cancer treatment (C60)...

TRL 4 (technology validated in lab) already assessed

Plasma synthesized graphene nanoflakes

Plasma synthesized fullerene

POTENTIAL NMP ACTIVITIES – THERMAL PLASMAS (2)

NMK 13 - 2014: STORAGE OF ENERGY PRODUCED BY DECENTRALISED SOURCES (TRL 5)

Nanotubes, material for batteryes

NMK 14 - 2015: ERA-NET ON MATERIALS FOR ENERGY

Plasma synthesis can produce: - Nanoparticles for anode material replacement in Li-ion batteries (e.g. Si or Si/C

nanoparticles for graphite anode replacement) to increase battery life (FP-7-NMP2008-SMALL SIMBA project)

- Carbon nanotubes for hydrogen storage, solar cells applications, electronics - Fullerenes for new generation fuel cells

NMK 20 - 2014: WIDENING MATERIALS MODELS (TRL 5)

Modeling tools for Plasma and nanoparticle production developed by UNIBO group can be linked to other models to develop a multi scale framework architecture of the nanomaterial from the production phase to the final product, spanning from MD to continuum phase models.

TRL 5 – technology validated in relevant environment already assessed

MOLECULAR DYNAMICS

MESO-SCALE MODELS

CONTINUUM SCALE MODELS

END PRODUCT MODELS

POTENTIAL NMP ACTIVITIES – THERMAL PLASMAS (3)

ELECTRIC

FIELD

UV

RADIATION

CHARGED

PARTICLES

REACTIVE SPECIES

COLD PLASMA (T<40°C)

INCREASE/DECREASE OF SURFACE ENERGY

ADDITION OF CHEMICAL FUNCTIONALITIES

THIN FILM DEPOSITION

POLYMERIZATION

BIOCOMPATIBILIZATION

SCALE-UP & SCALE-DOWN (PATTERNING)

POTENTIAL NMP ACTIVITIES - COLD PLASMAS APPLICATIONS (1) SURFACE MODIFICATIONS (TOPICS NMK 1, 2, 4, 17, 19, 22, 24)

2D surfaces 3D porous materials Micro- nano-fibers Nano-particles Textiles

ELECTRIC

FIELD

UV

RADIATION

CHARGED

PARTICLES

REACTIVE SPECIES

COLD PLASMA (T<40°C)

POTENTIAL NMP ACTIVITIES - COLD PLASMAS APPLICATIONS (1) SURFACE MODIFICATIONS (TOPICS NMK 1, 2, 4, 17, 19, 22, 24)

NANOMATERIAL DISPERSION MATERIAL MODIFICATION

DECONTAMINATION

POTENTIAL NMP ACTIVITIES - COLD PLASMAS APPLICATIONS (2) TREATMENT OF LIQUIDS (TOPICS NMK 1, 2, 5, 17)

CONFIDENTIAL INFORMATION of Alma Mater Studiorum – Università di Bologna Group for Industrial Applications of Plasmas – Prof. Vittorio Colombo (vittorio.colombo@unibo.it )

CONFIDENTIAL INFORMATION of Alma Mater Studiorum – Università di Bologna Group for Industrial Applications of Plasmas – Prof. Vittorio Colombo (vittorio.colombo@unibo.it )

NO VACUUM EQUIPMENT NO CHEMICAL WASTE COST EFFECTIVE

EASY TO IMPLEMENT IN EXISTING PRODUCTION CHAINS

ADAPTABLE TO IRREGULAR GEOMETRIES

POTENTIAL NMP ACTIVITIES - COLD PLASMAS APPLICATIONS (3)

NMK 2 - 2015: INTEGRATION OF NOVEL NANOMATERIALS INTO EXISTING PRODUCTION LINES (TRL 5-6)

NMK 1 - 2014: OPEN ACCESS PILOT LINES FOR COST EFFECTIVE NANOCOMPOSITES (TRL 4-5)

NMK 17 - 2014: DEVELOPMENT OF NOVEL MATERIALS AND SYSTEMS FOR OLED LIGHTING OR DISPLAYS

NMK 19 - 2015: MATERIALS FOR SEVERE OPERATING CONDITIONS, INCLUDING ADDED-VALUE FUNCTIONALITIES (TRL 5)

NMK 24 - 2015: LOW-ENERGY SOLUTIONS FOR DRINKING WATER PRODUCTION – PILOT PLANTS (TRL 4-5)

NMK 4 - 2014: HIGH DEFINITION PRINTING OF MULTIFUNCTIONAL MATERIALS (TRL 4-5)

NMK 22 - 2015: FIBRE-BASED MATERIALS FOR NON-CLOTHING APPLICATIONS (TRL 6)

AREA 1: BRIDGING THE GAP BETWEEN NANOTECHNOLOGY RESEARCH AND MARKETS

AREA 4: EXPLOITING THE CROSS-SECTOR POTENTIAL OF NANOTECHNOLOGIES AND

ADVANCED MATERIALS TO DRIVE COMPETITIVENESS AND SUSTAINABILITY

NMK 5 - 2014: NANOMATERIALS FOR PRINTING APPLICATIONS (TRL 4-5)

POTENTIAL NMP ACTIVITIES - COLD PLASMAS APPLICATIONS (4)

NMK 26 – 2014: ACCELERATING THE INDUSTRIAL UPTAKE OF NANOTECHNOLOGIES OR ADVANCED MATERIALS BY SMES

OTHER POTENTIAL NMP RELATED ACTIVITIES

AREA 4: EXPLOITING THE CROSS-SECTOR POTENTIAL OF NANOTECHNOLOGIES AND ADVANCED MATERIALS TO DRIVE COMPETITIVENESS AND SUSTAINABILITY

AREA 6: ADDRESSING GENERIC NEEDS IN SUPPORT OF GOVERNANCE, STANDARDS, MODELS AND STRUCTURING IN NANOTECHNOLOGY, ADVANCED MATERIALS AND ADVANCED MANUFACTURING AND PROCESSING

All Topics

AREA 5: SAFETY OF NANOTECHNOLOGY-BASED APPLICATIONS AND SUPPORT FOR THE

DEVELOPMENT OF REGULATION

All Topics

e.g. modeling of nanoparticle transport and diffusion in ambient

Strong skills in Intellectual Properties. Experience in collaboration with SME and development of new products and process

optimization.