This portfolio demos examples of advanced materials I have developed in team-work projects.

1. Engineered Advanced
Materials Portfolio
Vahid Raeesi, Ph.D. in Nano-Biomaterials technology

2. Outline
 Organic Nanomaterials
 Inorganic Nanomaterials
 Inorganic-Organic Nanocomposites
(Multifunctional Materials)

3.  Organic Nanomaterials

4. Polymer Nanoparticles
• Material: Biodegradable PLGA polymer
• Synthesis method: Wet chemistry
• Application: Vehicles for drug storage, Controlled release
Nanocapsules (<100nm) Nanocapsules (>100nm) Solid Nanoparticles
Scale bar is 100nmUnpublished work

5. Copolymer Microparticles
Unpublished work
Oil-in-Water emulsion from mPEG-b-PLGA Water-in-Oil emulsion from mPEG-b-PLGA
• Material: Biodegradable PEG-b-PLGA copolymer
• Synthesis method: Wet chemistry
• Application: Vehicles for cargo storage, Controlled release

6.  Inorganic Nanomaterials

7. Gold Nanorods
• Synthesis methods: Seeded growth
• Application: Photo-thermal nanoconvertor, Drug delivery
Gold Nanorods
V.Raeesi and W. C. Chan, Nanoscale, 2016, DOI: 10.1039/C5NR08463F
Mohamed A. Abdou Mohamed and Vahid Raeesi, Patricia Turner, Anu Rebbapragada, Kate Banks, Warren C. W. Chan, Biomaterials,
10.1016/j.biomaterials.2016.04.009 (1st Co-author)

8. Gold Nanospheres(50nm) Gold Nanospheres(120nm)
Gold Nanospheres
• Synthesis methods: Controlled salt-reduction
• Application: Diagnostic probes, Drug delivery, Bioimaging
V.Raeesi and W. C. Chan, Nanoscale, 2016, DOI: 10.1039/C5NR08463F

9. Zinc Oxide Nanostructures
ZnO nanoparticles ZnO nanofilm ZnO nanowire film
• Synthesis methods:
Thermal decomposition, Chemical Vapor Deposition, Supercritical Fluid
A.Reiser, V. Raeesi, G.M. Prinz, M. Schirra, M. Feneberg, U. Roder, R. Sauer, K.Thonke, Microelectronics, Vol. 40, 2,
306-308 (2009)
• Application:
Blue emission LED devices, High electron mobility electrodes for solar cells,
Piezoelectric electrodes for biosensing

10. Positive Temperature Coefficient Fillers
• Synthesis method:
Organo-modification by
Dimethylglyoxime
• Application:
As fillers for polymer composite
temperature-dependent switches
• Material:
Carbon black modified with Ni & Au
particles
B.Pourabbas,V.Raeesi and S.Ghasemi,”Polymer based PTC composites from Carbon Blacks modified with metal particles
”,IUPAC International Polymer Congress MACRO2004,Symposium 5.1:Polymers for energy ,electronic,opto-electronic and
optical applications ,France , July 4-9, 2004
SEM image of Carbon black modified with Ni particles

11. Nanophosphors
• Synthesis method: Chemical Vapor Synthesis, Wet Chemistry
• Application: High quality white LEDs
• Material: YAG:Ce (or BaFBr2)
H.Paul, H. Kaps, Th. Gleich, V. Raeesi, U. Herr and M. Zachau, Solid State Phenomena, Vol. 128 (2007), pp712

12.  Inorganic-Organic Nanocomposites
(Multifunctional materials)

13. Polymer/Gold Nanoparticles
100nm
Gold NP-embedded Polymer Nanocapsule Gold NR-embedded Polymer Nanoparticle
100nm
Gold NP-impregnated Polymer Nanoparticles
Unpublished work
• Material: PLGA polymer , Gold nanoparticles
• Synthesis method: Wet chemistry
• Application: Multifunctional nanoparticles for light-triggered drug delivery,
bioimaging, bacterial disinfection

14. Photo-thermal Nanogel
• Material: Thermogel , Gold nanoparticles
• Synthesis method: Wet chemistry
• Application: Controlled microscopic heat concentrator, High heating rate
applications, Bacterial disinfector, Smart light-responsive coatings
Mohamed A. Abdou Mohamed and Vahid Raeesi, Patricia Turner, Anu Rebbapragada, Kate Banks, Warren C. W. Chan, Biomaterials,
10.1016/j.biomaterials.2016.04.009 (1st Co-author)

15. DNA-based Nanoassemblies
Scale bar is 50nm
• Material: DNA , Gold nanoparticles
• Synthesis method: DNA assembly
• Application: Multifunctional nanovehicle for light-triggered drug & nucleic
acid delivery, bioimaging
V.Raeesi, Chou. L.C., W.C.Chan, ”(final review in “Advanced Materials”)

16. Polymer/Quantum Dot Nano-Microparticles
Unpublished work
• Material: PLGA polymer , Quantum Dots(640nm)
• Synthesis method: Wet chemistry
• Application: Multifunctional nanoparticles for drug delivery, bioimaging
QD-encapsulated MicrocapsulesQD-coated Nanocapsules

17. Polymer/clay nanocomposite
Intercalated clay
ABS matrix
• Synthesis method:
Solvent / Non-solvent
• Application:
Retarded thermal degradation, flame
point
• Material:
ABS/Silicate Nanocomposite
B.Pourabas ,V. Raeesi, Polymer, 46, 5533-5540 (2005)
TEM image of ABS/Silicate Nanocomposite