Fabrication of Photonic Crystals in Microchannels

2004 ◽  
Vol 817 ◽  
Author(s):  
Chun-Wen Kuo ◽  
Hui-Mei Hsieh ◽  
Jung-Chuan Ting ◽  
Yi-Hong Cho ◽  
Kung Hwa Wei ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Particles ◽  
Expansion Method ◽  
Large Area ◽  
Optical Components ◽  
Colloidal Photonic Crystals ◽  
Fabrication Procedure ◽  
Evaporation Induced Self Assembly ◽  
Easy Integration

AbstractWe have developed a fabrication procedure for growing photonic crystals in the lithographic defined microchannels, which enables easy integration with other planar optical components. This technique is based on the directed evaporation induced self-assembly of nanoparticles in the microchannels. Substrates with pre-patterned microchannels (30-100 μm wide) were dipped into solution of nanoparticles for several days. By controlling the evaporation rate, the meniscus contacting the microchannels will undergo evaporation-induced self-assembly. The capillary forces cause nanospheres to crystallize within the microchannels forming colloidal photonic crystals in the microchannels. Two types of colloidal particles, polystyrene and silica, have been employed to fabricate colloidal photonic crystals in the microchannels. Both types of colloidal particles were found to form large-area well-ordered colloidal single crystals in the microchannels. The optical reflection spectra from the (111) surfaces of the colloidal crystals formed by various sizes of nanoparticles have been measured. And the measured reflection peaks agree with the photonic bandgap calculated by the plane wave expansion method.

“Smart” Defects in Colloidal Photonic Crystals

2005 ◽  
Vol 901 ◽  
Author(s):  
Friederike Fleischhaker ◽  
André C. Arsenault ◽  
Nicolas Tétreault ◽  
Zhuo Wang ◽  
Vladimir Kitaev ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Tunable Laser ◽  
Chemical Diversity ◽  
Vapor Pressures ◽  
Transfer Printing ◽  
Solvent Vapor ◽  
Colloidal Photonic Crystals ◽  
Evaporation Induced Self Assembly ◽  
External Stimuli

AbstractWe present a bottom-up approach for the construction of "Smart" active defects in colloidal photonic crystals (CPCs). These structures incorporate polyelectrolyte multilayer (PEM) planar defects embedded in silica CPCs through a combination of evaporation induced self-assembly and microcontact transfer printing. We show how the enormous chemical diversity inherent to PEMs can be harnessed to create chemically active defect structures responsive to solvent vapor pressures, light, temperature as well as redox cycling. A sharp transmission state within the photonic stopband, induced by the PEM defect, can be precisely, reproducibly and in some cases reversibly tuned by these external stimuli.These materials could find numerous applications as optically monitored chemical sensors, adjustable notch filters and CPC-based tunable laser sources.

From colloidal particles to photonic crystals: advances in self-assembly and their emerging applications

2021 ◽  
Author(s):  
Zhongyu Cai ◽  
Zhiwei Li ◽  
Serge Ravaine ◽  
Mingxin He ◽  
Yanlin Song ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Particles ◽  
State Of The Art ◽  
The State ◽  
Colloidal Photonic Crystals

This paper reviews the advances in the state-of-the-art colloidal self-assembly methods to fabricate colloidal photonic crystals and their emerging applications.

A simple self-assembly method for colloidal photonic crystals with a large area

2005 ◽  
Vol 286 (2) ◽  
pp. 573-578 ◽  
Author(s):  
Jianguo Deng ◽  
Xiaoming Tao ◽  
Pei Li ◽  
Pu Xue ◽  
Yihe Zhang ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Large Area ◽  
Assembly Method ◽  
Colloidal Photonic Crystals

Fabrication and Defect Designs on DNA Linked 2-D Colloidal Photonic Crystals Using a Nd:YAG Pulsed Laser

2005 ◽  
Vol 901 ◽  
Author(s):  
Ramazan Asmatulu ◽  
Sejong Kim ◽  
Robin Bright ◽  
Phillip Yu ◽  
Fotios Papadimitrakopoulos ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Particles ◽  
Second Harmonic ◽  
Pulsed Laser ◽  
Single Strand ◽  
Glass Substrates ◽  
Hexagonal Close Packed ◽  
Colloidal Photonic Crystals ◽  
Self Assembled

AbstractControlled defects were created on DNA linked 2-D colloidal photonic crystals using a Nd:YAG pulsed laser. The 2-D photonic crystals were self-assembled using 1.8 μm polystyrene (PS) microspheres on functionalized glass substrates. To synthesize the hexagonal close packed crystalline samples, both substrate and particles attached single-strand DNA, sequence A on the substrate and sequence B on the particles. The DNA was hybridized using the DNA linker with complementary single-strand A’B’ that anchored the particles to the substrate during self-assembly. The 532 nm second harmonic wavelength beam of the pulsed Nd:YAG laser (1064 nm) with a pulse width of 10 ns was used for the removal of individual colloidal particles from the self assembled photonic crystals. In the present tests, the diameter of the laser beam was optically reduced from 7 mm to about 1.8 μm. Controlled line defects and geometrical shapes (e.g., hexagonal and triangle) were created in the 2D arrays in an aqueous medium.

A self-assembly based on a hydrogel interface: facile, rapid, and large-scale preparation of colloidal photonic crystals

2020 ◽  
Vol 4 (8) ◽  
pp. 2409-2417
Author(s):  
Mengfan Wu ◽  
Chuyan Zhang ◽  
Fujing Wei ◽  
Huifang An ◽  
Xiaqing Wang ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Large Scale ◽  
The Self ◽  
Colloidal Photonic Crystals ◽  
Large Scale Preparation ◽  
Scale Preparation ◽  
First Time

This is the first time that a hydrogel interface has been used as an assembly interface for the self-assembly of photonic crystals with excellent performances.

scholarly journals Leveraging Hierarchical Self-Assembly Pathways for Realizing Colloidal Photonic Crystals

ACS Nano ◽  
2020 ◽  
Vol 14 (5) ◽  
pp. 5348-5359 ◽  
Author(s):  
Abhishek B. Rao ◽  
James Shaw ◽  
Andreas Neophytou ◽  
Daniel Morphew ◽  
Francesco Sciortino ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Photonic Crystals ◽  
Assembly Pathways

Self assembly of large area 3D photonic crystals

2012 ◽  
Author(s):  
S Ahirwar ◽  
S Saxena ◽  
S Shukla
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Large Area

Self-Assembly of Spherical Colloidal Photonic Crystals inside Inkjet-Printed Droplets

2016 ◽  
Vol 16 (2) ◽  
pp. 1017-1026 ◽  
Author(s):  
Enrico Sowade ◽  
Thomas Blaudeck ◽  
Reinhard R. Baumann
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Photonic Crystals

Preparation and Properties of Silica Inverse Opal via Self-Assembly

2014 ◽  
Vol 699 ◽  
pp. 318-324 ◽  
Author(s):  
Syara Kassim ◽  
S. Padmanabhan ◽  
J. McGrath ◽  
M.E. Pemble
Keyword(s):  
Photonic Crystals ◽  
Self Assembly ◽  
Colloidal Particles ◽  
Photonic Band Gap ◽  
Three Dimensional ◽  
Colloidal Synthesis ◽  
3 Dimensional ◽  
Inverse Opals ◽  
Simple Processing ◽  
Potential Applications

The bottom-up colloidal synthesis of photonic band gap (PBG) materials or photonic crystals (PC) has attracted considerable interest as compared to so-called top-down lithographic approaches due to the simple processing steps involved and the prospect of the economically viable production of complex 3-dimensional optical materials from simple colloidal particles. To date self-assembly techniques constitute the most popular approach to fabricate 3D photonic crystals from colloidal particle suspensions. Based on the natural tendency of monodisperse colloidal particles to organise into ordered arrays, this method represent the best option due to the ease of fabrication, ability to produce larger area samples and cost. Here we report on the fabrication of long range three-dimensional (3D) ordered poly (methyl methacrylate) (PMMA)-silica PC structures and the subsequent fabrication of robust silica inverse opals using self-assembly methods. The optical properties of these materials are described and discussed in terms of potential applications of these materials.

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