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Nanostructures and Optical Materials

Crucial targets of nanoscience are new materials and devices. They can be based on known physical phenomena improving them, or they can apply completely new principles. New materials, physical phenomena, new principles - in this triangle we move with our research projects. Our fields of interest are photonic crystals, especially artificial opals, hierarchical materials, self-assembly and self-organization, directed self-assembly, alternative principles for solar cells, and Grätzel cells.

Our fields of interest are:

• Photonic crystals, especially artificial opals
• Hierarchical materials
• Self-assembly and self-organization
• Directed self-assembly
• Alternative principles for solar cells, Grätzel cells

Frank Marlow

Priv.-Doz. Dr. Frank Marlow

Since 1999
Lecturer at the University of Duisburg-Essen (Germany)
1999-2009
Lectures at the Free University of Berlin, University of Münster, University of Duisburg-Essen
Since 1999
Group leader at the Max-Planck-Institut für Kohlenforschung in Mülheim/Ruhr (Germany)
1999
Habilitation at the Freie Universität Berlin
1998-1999
Visiting researcher at University of California, Santa Barbara
1991-1998
Researcher at the Zentrum für heterogene Katalyse and Institut für Angewandte Chemie in Berlin-Adlershof
1988-1991
Researcher at the Zentralinstitut für Physikalische Chemie in Berlin
1988
Ph.D.
1986
Diploma
1981-1986
Study of physics at the Humboldt University in Berlin
1960
Born in Fürstenwalde, Germany

Lecture summer semester, University Duisburg-Essen
Recent Problems in Nanostructure Physics: Molecular Materials

See German Webpage

_____________________________________________________

Lecture winter semester, University Duisburg-Essen
Recent Problems in Nanostructure Physics: Photonic Crystals

Do butterflies, opals, and metallic-colored cars have something in common? The answer is: yes, the colors are produced by nanostructures. This lecture on nanostructured systems explains the theory and synthesis concepts of photonic crystals which are ordered dielectric nanostructures with lattice constants comparable with the wavelength of light. The lecture is usually given in winter semesters.

Download flyer W

Since 2010
Member of "CENIDE" (Duisburg)
Since 2009
Member of the NanoEnergieTechnikZentrum "NETZ" (Duisburg)
Since 2009
Lecturer at the "University of Duisburg-Essen"
Since 2003
Member of the International Max Planck Research School "SurMat" (Düsseldorf)
2014

M. Muldarisnur, F. Marlow:
Observation of Nano-Dewetting in Colloidal Crystal Drying. Angew. Chem. Int. Ed. Volume 53, Issue 33, 2014, 8761-8764
DOI: 10.1002/ange.201402423

2013

Tian-Song Deng, P. Sharifi, F. Marlow:
Opal Shell Structures: Direct Assembly versus Inversion Approach
ChemPhysChem 2013, 14, 2893-2896.
DOI: 10.1002/cphc.201300456

T. R. Khan, A. Vimalanandan, A. Erbe, F. Marlow, M. Rohwerder:
Electro-codeposition of Modified Silica Colloids and Copper.
Z. Phys.Chem. 227 (2013) 1083-1095.
DOI: 10.1524/zpch.2013.0365

H. Wiggers, D. Schunk, F. Marlow:
Hierarchische Strukturen aus Nanopartikeln für Solarzellen, Opal-artige Materialien und Mikrolinsen.
Unikate Universität Duisburg-Essen Nr. 43 (2013)  42-51
(ISBN: 978-3-934359-39-0)

2012

Khan, Tabrisur; Vimalanandan, Ashokanand; Marlow, Frank; Erbe, Andreas; Rohwerder, Michael: Existence of a lower critical radius for incorporation of silica particles into zinc during electro-codeposition.
ACS Applied Materials & Interfaces, 2012, 4 (11), 6221-6227.
DOI:10.1021/am301821m.

M. Muldarisnur, I. Popa, and F. Marlow:
Angle-resolved transmission spectroscopy of opal films.
Phys. Rev. B 86 (2012) 024105.
DOI: 10.1103/PhysRevB.86.024105

P. Sharifi ,  H. Eckerlebe, F. Marlow:
SANS analysis of opal structures made by the capillary deposition method.
Phys. Chem. Chem. Phys., 14 (2012) 10324–10331,
DOI: 10.1039/C2CP40825B

D. Schunk, S. Hardt, H. Wiggers, F. Marlow:
Monodisperse titania microspheres via controlled nanoparticle aggregation.
Phys. Chem. Chem. Phys., 14 (2012) 7490-7296.
DOI: 10.1039/C2CP40658F

T.-S. Deng and F. Marlow:
Synthesis of Monodisperse Polystyrene@Vinyl-SiO2 Core@Shell Particles and Hollow SiO2 Spheres.
Chem. Mater. 24 (2012) 536-546.
DOI: 10.1021/cm203099m

D. Schunk, F. Marlow:
Nanopartikel-Aggregate: Das Ganze ist mehr als die Summe seiner Teile …
NanoEnergie 7 (CENIDE Newsletter Juni 2012)
http://www.uni-due.de/imperia/md/content/cenide/nanoenergie_07_2012_web.pdf

2011

Muldarisnur and F. Marlow: Opal Films: Crystal Orientation and Defects. J. Phys. Chem. C 115 (2011) 414–418

F. Marlow, M. Muldarisnur, P. Sharifi, H. Zabel:
Interpretation of Small Angle Diffraction Experiments on Opal-like Photonic Crystals.
Phys. Rev. B 84 (2011) 073401.
DOI: 10.1103/PhysRevB.84.073401

T. R. Khan, A. Erbe, M. Auinger, F. Marlow, M. Rohwerder:
Electrodeposition of Zinc Silica Composite Coatings: Challenges in Incorporation of Functionalized Silica Particles within the Zinc Metal Matrix
Sci. Technol. Adv. Mater. 12 (2011), no. 055005, 1-9,
http://edoc.mpg.de/572368

2009

C. R. Mendonca, D. S. Correa, F. Marlow, T. Voss, P. Tayalia, E. Mazur:
Three-dimensional fabrication of optically active microstructures containing an electroluminescent polymer.
Applied Physics Letters 95 (2009) 113309. DOI:10.1063/1.3232207

Frank Marlow, Muldarisnur, Parvin Sharifi, Rainer Brinkmann, and Cecilia Mendive:
Opals: Status and Prospects (Invited Review)
Angew. Chem. Int. Ed. 2009, 48, 6212 – 6233 » details, Angew. Chem. 2009, 121, 6328 – 6351

Ahmed S.G. Khalil, Frank Marlow:
Controlled Growth of SBA-3-like Hierarchical Assemblies on Different Homogeneous and Patterned Surfaces.
Mater. Res. Soc. Symp. Proc. Vol. 1114, 2009.

2008

I. Popa, F. Marlow:
Post-deposition opal evolution.
ChemPhysChem 9 (2008) 1541-1547.

D. Konjhodzic, S. Schröter, F. Marlow,
Ultra-low refractive index mesoporous substrates for waveguide structures. In: Nanophotonic Materials (Eds.: R.B. Wehrsporn, H. Kitzerow, K. Busch) Wiley-VCH 2008 (Reprint von Nr. 90).

M. Tiemann, F. Marlow, J. Hartikainen, Ö. Weiss, M. Lindén:
Ripening Effectsf in ZnS Nanoparticles.
J. Phys. Chem. C, Vol. 112, No. 5 (2008) 1463

2007

J. H. Wülbern, M. Eich, U. Hübner, R. Boucher, F. Marlow, W. Volksen:
Omni-directional photonic band gap in polymer photonic crystal slabs.
Appl. Phys. Lett.91, 22, 221104, (2007)

T. Voss, G. T. Svacha, E. Mazur, S. Müller, C. Ronning, D. Konjhodzic, F. Marlow:
High Order Waveguide Modes in ZnO Nanowires.
Nano Letters 7 No. 12 (2007) 3675 DOI: 10.1021/nl071958w

F. Schüth, F. Marlow.
Colloidal crystals find new order. (News and Views)
Nature Vol 449 (2007) 550, DOI:10.1038/449550a

F. Marlow, A. S. G. Khalil, M. Stempniewicz:
Circular mesostructures: Solids with novel symmetry properties.
Invited Feature. J. Mater. Chem. 17 (2007) 2168-2182 DOI:10.1039/B700532F.

M. Stempniewicz, M. Rohwerder, F. Marlow:
Release from SBA-3-like Fibers: Cross-wall Transport and External Diffusion Barrier. ChemPhysChem 8 (2007) 188.

D. Konjhodzic, S. Schröter, F. Marlow,
Ultra-low refractive index mesoporous substrates for waveguide structures.
phys. stat. sol. (a) 204 (2007) 3676-3688. DOI: 10.1002/pssa.200776405.

Magdalena Stempniewicz, Ahmed S. G. Khalil, Michael Rohwerder, and Frank Marlow:
Diffusion in Coiled Pores - Learning from Microrelease and Microsurgery.
J. Am. Chem. Soc.129 (2007) 10561. DOI: 10.1021/ja0728167.

M. Stempniewicz, M. Rohwerder, F. Marlow:
Release of Guest Molecules from Modified Mesoporous Silica.
Stud. Surf. Sci. Catal. 165 (2007) 825-828.

 

Monday, 14:00 - 15:00 Uhr , weekly , Seminar room Altbau

Schedule:
W:\Workgroup Marlow\Seminars-AGMarlow & other

Lecture summer semester, University Duisburg-Essen
Recent Problems in Nanostructure Physics: Molecular Materials

See German Webpage

_____________________________________________________

Lecture winter semester, University Duisburg-Essen
Recent Problems in Nanostructure Physics: Photonic Crystals

Do butterflies, opals, and metallic-colored cars have something in common? The answer is: yes, the colors are produced by nanostructures. This lecture on nanostructured systems explains the theory and synthesis concepts of photonic crystals which are ordered dielectric nanostructures with lattice constants comparable with the wavelength of light. The lecture is usually given in winter semesters.

Download flyer
Download script part 1

_____________________________________________________
 

DFG Schwerpunkt 1113 "Photonische Kristalle"

EURESCO Conference: Guest-Functionalized Molecular-Sieve Systems, Hattingen 2004
 

Other Authors on Our Works

"Coiled Stones" Max Planck Society, Press Release, June 13, 2006

"Hariboschnecken im Reagenzglas" Max-Planck-Gesellschaft, Presseinformation, May 8, 2006

"Gas Diffusion and Microstructral Properties of Ordered Mesoporous Silica Fibres-"
Y.S. Lin and H. Alsyouri, J. Phys. Chem. B 2006, 110, 11606

"Chemists direct silicon oxide into a selected hierarchical structure"
www.physorg.com, June 14, 2006

"Schnecken im Reagenzglas" in www.chemie.de, May 2006

"The Architecture of the Very Small"
Nancy K. McGuire, Today´s Chemist at Work, November 2003


Fotos

Impressions from the Open House Day on May 24, 2014

 

Research Topics

Opals and photonic crystals
Opals and photonic crystals

Opals and photonic crystals

Opals are not only beautiful gemstones, they also have fundamental significance as prototypes for photonic crystals. They may lead to new photonic and photocatalytic materials. The crucial problems of these materials are the spontaneous defects and the desired incorporation of specially designed defects. In the works below, we described basic ideas and our approaches to special topics.

Review:

F. Marlow, Muldarisnur, P. Sharifi, R. Brinkmann, C. Mendive:
Opals: Status and Prospects
Angew. Chem. Int. Ed. 2009, 48, 6212
DOI: 10.1002/anie.200900210

Fabrication of PhCs:
F. Marlow, W. Dong:
Engineering Nanoarchitectures for Photonic Crystals.
ChemPhysChem. 4 (2003) 549
DOI: 10.1002/cphc.200200531

H. Li, F. Marlow:
Controlled Arrangement of Colloidal Crystal Strips.
Chem. Mater. 2005, 17, 3809
DOI:10.1021/cm051114i


Properties of Opals:
Muldarisnur and F. Marlow:
J. Phys. Chem. C 115 (2011) 414
(We describe some unique properties of opals made by the capillary deposition method)
DOI:10.1021/jp108975p

Fabrication of potential PhC Units:

Tian-Song Deng, P. Sharifi, F. Marlow:
Opal Shell Structures: Direct Assembly versus Inversion Approach
ChemPhysChem 2013, 14, 2893-2896.
DOI: 10.1002/cphc.201300456
 

Solids with novel symmetry properties
Solids with novel symmetry properties

Solids with novel symmetry properties

A prerequisite for an efficient „molding the flow of light“ by photonic crystals is the molding of materials in desired nanostructures. Very often, conventional materials and processing techniques cannot fulfill the theoretical requirements for the materials and structures. Sol-gel methods enable material processing in opal pores and the controlled introduction of pores into materials. The porosity can be used for lowering the refractive index, for soft processing of the materials and for stress relaxation. Examples for this approach are ultra-low refractive index films used as supports for 2D photonic crystals, inverse opals with a skeleton-like unit cell filling and ferroelectric films with high transparency. Especially we are able to fabricate mesoporous silica films with a refractive index of 1.14 for use in 2D photonic crystal waveguide systems. Important achievements are described in the following papers:


Magdalena Stempniewicz, Ahmed S. G. Khalil, Michael Rohwerder, and Frank Marlow:
Diffusion in Coiled Pores - Learning from Microrelease and Microsurgery.
J. Am. Chem. Soc.129 (2007) 10561. 
DOI: 10.1021/ja0728167


F. Marlow, A. S. G. Khalil, M. Stempniewicz:
Circular mesostructures: Solids with novel symmetry properties. Invited Feature.
J. Mater. Chem. 17 (2007) 2168-2182
DOI: 10.1039/B700532F

A. S. G. Khalil, D. Konjhodzic, F. Marlow:
Hierarchy Selection, Position Control, and Orientation by Patterned Surfaces.
Adv. Mater. Vol 18, (2006) 1055.  
DOI: 10.1002/adma.200502238
 

Low-n films and other optical materials
Low-n films and other optical materials

Low-n films and other optical materials

Mesoporous structures are more than just materials with pores (2 nm < dmeso < 50 nm) bigger than micropores (dmicro < 2 nm). They show new structures, shapes and symmetries that induce new properties and reveal unexpected applications. A central point of our research is one especially-perfect class of mesoporous structures (circulites), exhibiting circularly arranged pores which represent a novel symmetry behavior. These structures are strictly-defined hierarchies which can serve as a prototype for the description and formation of hierarchical structures. Here, coiling is regarded as a general approach to the assembly of hierarchies. The control and design of hierarchical structures are the ultimate aims and have been achieved for this hierarchy type. Surfaces can be used for the selection of the hierarchy type, position control and alignment of the resulting particles. A molecular structuring of the support leads to pixel-like, highly-defined growth of a hierarchical arrangement containing 4 hierarchy levels. The properties of the hierarchies can be very specific, as the diffusion behavior. Important achievements are described in the following papers:

M. Schmidt, G. Boettger, M. Eich, W. Morgenroth, U. Huebner, H. G. Meyer, D. Konjhodzic, H. Bretinger, F. Marlow:
Ultra low refractive index substrates – a novel base for photonic crystal slab waveguides.
Appl. Phys. Lett. 85 (2004) 16-18. Web-Reprint: Virtual Journal of Nanoscale Science & Technology, 10 (2004) Issue 2
DOI:10.1063/1.1767962

D. Konjhodzic, H. Bretinger, U. Wilczok, A. Dreier, A. Ladenburger, M. Schmidt, M. Eich, F. Marlow:
Low-n Mesoporous Silica Films: Structure and Properties.
Applied Physics A 81 (2005) 425
DOI:10.1007/s00339-005-3244-y

F. Marlow, M.D. McGehee, D. Zhao, B.F. Chmelka, G.D. Stucky:
Doped mesoporous silica fibers: A new laser material.
Adv. Mater. 11 (1999) 632.
DOI:10.1002/(SICI)1521-4095(199906)11:8<632::AID-ADMA632>3.0.CO;2-Q

J. Loerke, F. Marlow:
Laser Emission from Dye-Doped Mesoporous Silica Fibers.
Adv. Mater. 14 (2002) No. 23
DOI: 10.1002/1521-4095(20021203)14:23<1745::AID-ADMA1745>3.0.CO;2-M
 
 

Nanoparticel Aggregates
Nanoparticel Aggregates

Nanoparticel Aggregates

Many synthesis techniques deliver interesting brick stones for nanotechnology, but how can we assemble them in a reasonable manner? Very likely, there is not a single universal procedure to construct nano devices. Such devices have to be generated by a whole hierarchy of assembly steps. The aggregation in emulsions is a promising tool on the lowest hierarchy level. NPAs are one possible step towards more complicating assemblies.

Publication:
D. Schunk, S. Hardt, H. Wiggers, F. Marlow:
Monodisperse titania microspheres via controlled nanoparticle aggregation.
Phys. Chem. Chem. Phys. 14 (2012) 7490-7496.
DOI: 10.1039/C2CP40658F

General Description:
D. Schunk, F. Marlow: NanoEnergie 7
(CENIDE Newsletter Juni 2012)

 

Research Reports

 

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  •  Jeganathan Akilavasan

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