Optical properties and orientation of arrays of polystyrene spheres deposited using convective self-assembly

2003 ◽  
Vol 118 (23) ◽  
pp. 10752-10757 ◽  
Author(s):  
Kurt Wostyn ◽  
Yuxia Zhao ◽  
Brandon Yee ◽  
Koen Clays ◽  
André Persoons ◽  
...  
Keyword(s):  
Optical Properties ◽  
Self Assembly ◽  
Polystyrene Spheres

Self-Assembly Optical Components

2003 ◽  
Vol 771 ◽  
Author(s):  
Pavel I. Lazarev ◽  
Michael V. Paukshto ◽  
Elena N. Sidorenko
Keyword(s):  
Optical Properties ◽  
Self Assembly ◽  
Crystalline State ◽  
Liquid Crystalline ◽  
Film Deposition ◽  
X Ray Diffraction ◽  
Optical Components ◽  
Crystal Film ◽  
Solid Film ◽  
Thin Crystal

AbstractWe report a new method of Thin Crystal Film deposition. In the present paper we describe the method of crystallization, structure, and optical properties of Bisbenzimidazo[2,1-a:1',2',b']anthra[2,1,9-def:6,5,10-d'e'f']-diisoquinoline-6,9-dion (mixture with cis-isomer) (abbreviated DBI PTCA) sulfonation product. The Thin Crystal Film has a thickness of 200-1000 nm, with anisotropic optical properties such as refraction and absorption indices. X-ray diffraction data evidences a lyotropic liquid crystalline state in liquid phase and crystalline state in solid film. Anisotropic optical properties of the film make it useful in optical devices, e.g. liquid crystal displays.

scholarly journals Binary Self-Assembly of Nanocolloidal Arrays using Concurrent and Sequential Spin Coating Techniques

Materials ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 274
Author(s):  
Shih-Jyun Shen ◽  
Demei Lee ◽  
Yu-Chen Wu ◽  
Shih-Jung Liu
Keyword(s):  
Silicon Substrate ◽  
Self Assembly ◽  
Spin Coating ◽  
Processing Parameters ◽  
The Self ◽  
Silicon Substrates ◽  
Processing Conditions ◽  
Polystyrene Spheres ◽  
Optimal Processing ◽  
Spin Coater

This paper reports the binary colloid assembly of nanospheres using spin coating techniques. Polystyrene spheres with sizes of 900 and 100 nm were assembled on top of silicon substrates utilizing a spin coater. Two different spin coating processes, namely concurrent and sequential coatings, were employed. For the concurrent spin coating, 900 and 100 nm colloidal nanospheres of latex were first mixed and then simultaneously spin coated onto the silicon substrate. On the other hand, the sequential coating process first created a monolayer of a 900 nm nanosphere array on the silicon substrate, followed by the spin coating of another layer of a 100 nm colloidal array on top of the 900 nm array. The influence of the processing parameters, including the type of surfactant, spin speed, and spin time, on the self-assembly of the binary colloidal array were explored. The empirical outcomes show that by employing the optimal processing conditions, binary colloidal arrays can be achieved by both the concurrent and sequential spin coating processes.

scholarly journals Switchable reflection/transmission utilizing polarization on a plasmonic structure consisting of self-assembly polystyrene spheres with silver patches

2017 ◽  
Vol 25 (8) ◽  
pp. 9502 ◽  
Author(s):  
Rong-Yuan Zou ◽  
Jun-Xian Shi ◽  
Hong-Kai Dai ◽  
Hong-Feng Wang ◽  
Lin-Yong Qian ◽  
...  
Keyword(s):  
Self Assembly ◽  
Polystyrene Spheres ◽  
Plasmonic Structure

scholarly journals RAFT-photomediated PISA in dispersion: mechanism, optical properties and application in templated synthesis

2019 ◽  
Vol 10 (18) ◽  
pp. 2316-2326 ◽  
Author(s):  
Vitalii Tkachenko ◽  
Camélia Matei Ghimbeu ◽  
Cyril Vaulot ◽  
Loïc Vidal ◽  
Julien Poly ◽  
...  
Keyword(s):  
Optical Properties ◽  
Diblock Copolymer ◽  
Self Assembly ◽  
Templated Synthesis ◽  
Dispersion Mechanism

Diblock copolymer nanoparticles were prepared by photomediated polymerization-induced self-assembly (“photo-PISA”) in dispersion.

scholarly journals Broadband control of the optical properties of semiconductors through site-controlled self-assembly of microcrystals

2020 ◽  
Vol 28 (17) ◽  
pp. 24981
Author(s):  
Jacopo Pedrini ◽  
Paolo Biagioni ◽  
Andrea Ballabio ◽  
Andrea Barzaghi ◽  
Maura Bonzi ◽  
...  
Keyword(s):  
Optical Properties ◽  
Self Assembly

Electrical and Optical Properties of Self-Assembled, Ordered Gold Nanocrystal/Silica Thin Films Prepared by Sol-Gel Processing

2005 ◽  
Vol 872 ◽  
Author(s):  
Kai Yang ◽  
Hongyou Fan ◽  
Michael J. O'Brien ◽  
Sima La Fontaine ◽  
Gabriel P. Lopez ◽  
...  
Keyword(s):  
Optical Properties ◽  
Surface Plasmon ◽  
Self Assembly ◽  
Sol Gel ◽  
Water Soluble ◽  
Oxide Semiconductor ◽  
Excitation Spectra ◽  
Soluble Silica ◽  
Strong Surface ◽  
Gold Nanocrystal

AbstractHighly ordered gold NC/silica films are synthesized by self-assembly of water-soluble gold nanocrystal micelles and soluble silica using a sol-gel spin-coating technique. The optical properties are analyzed using ellipsometry and ultraviolet-visible spectroscopy. The absorption spectra show a strong surface plasmon absorption band at ∼520 nm for all samples. Angular excitation spectra of the surface plasmon show a steep dip in the reflectivity curve at ∼65°. Charge transport behavior of the films is examined using metal-oxide-semiconductor (MOS) structures.MOS capacitor samples exhibit charge storage with discharge behavior dominated by electron transport within the gold NC arrays.

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