Mask-Based Microsphere Photolithography

2018 ◽  
Author(s):  
Chuang Qu ◽  
Edward C. Kinzel
Keyword(s):  
Ultraviolet Radiation ◽  
The Self ◽  
Photoresist Layer ◽  
Multiple Exposures ◽  
Self Assembled ◽  
Microsphere Array

Microsphere Photolithography (MPL) uses a self-assembled array of transparent microspheres to focus incident ultraviolet radiation and produce an array of photonic jets in photoresist. Typically, the microspheres are self-assembled directly on the photoresist layer and are removed after exposure during development. Reusing the microsphere array reduces the expense of the process. A mask is formed by transferring the self-assembled microsphere array to a transparent tape. This can be used for multiple exposures when pressed into contact with the photoresist. This paper demonstrates the use of this process to pattern infrared metasurface absorbers and discusses the effects of the mask-based MPL process on the metasurface performance.

Nanoscale Self-Assembly Using Ion and Electron Beam Techniques: A Rapid Review

MRS Advances ◽  
2020 ◽  
Vol 5 (64) ◽  
pp. 3507-3520
Author(s):  
Chunhui Dai ◽  
Kriti Agarwal ◽  
Jeong-Hyun Cho
Keyword(s):  
Electron Beam ◽  
Self Assembly ◽  
Ion Beam ◽  
Three Dimensional ◽  
The Self ◽  
Stress Generation ◽  
Rapid Review ◽  
High Yield ◽  
3D Nanostructures ◽  
Self Assembled

AbstractNanoscale self-assembly, as a technique to transform two-dimensional (2D) planar patterns into three-dimensional (3D) nanoscale architectures, has achieved tremendous success in the past decade. However, an assembly process at nanoscale is easily affected by small unavoidable variations in sample conditions and reaction environment, resulting in a low yield. Recently, in-situ monitored self-assembly based on ion and electron irradiation has stood out as a promising candidate to overcome this limitation. The usage of ion and electron beam allows stress generation and real-time observation simultaneously, which significantly enhances the controllability of self-assembly. This enables the realization of various complex 3D nanostructures with a high yield. The additional dimension of the self-assembled 3D nanostructures opens the possibility to explore novel properties that cannot be demonstrated in 2D planar patterns. Here, we present a rapid review on the recent achievements and challenges in nanoscale self-assembly using electron and ion beam techniques, followed by a discussion of the novel optical properties achieved in the self-assembled 3D nanostructures.

scholarly journals Self-Assembly of Shape-Tunable Oblate Colloidal Particles into Orientationally Ordered Crystals, Glassy Crystals and Plastic Crystals

Soft Matter ◽  
2021 ◽  
Author(s):  
Jiawei Lu ◽  
Xiangyu Bu ◽  
Xinghua Zhang ◽  
Bing Liu
Keyword(s):  
Crystal Structures ◽  
Self Assembly ◽  
Colloidal Particles ◽  
Building Blocks ◽  
Fundamental Question ◽  
The Self ◽  
Plastic Crystals ◽  
Self Assembled ◽  
Glassy Crystals ◽  
The Relationship

The shapes of colloidal particles are crucial to the self-assembled superstructures. Understanding the relationship between the shapes of building blocks and the resulting crystal structures is an important fundamental question....

Self-assembled luminescent cholate gels induced by a europium ion in deep eutectic solvents

Soft Matter ◽  
2021 ◽  
Author(s):  
Meng Sun ◽  
Qintang Li ◽  
Xiao Chen
Keyword(s):  
Self Assembly ◽  
Choline Chloride ◽  
Deep Eutectic Solvents ◽  
Sodium Cholate ◽  
The Self ◽  
Europium Ion ◽  
Self Assembled

Luminescent gels have been successfully fabricated through the self-assembly of sodium cholate and a europium ion in choline chloride-based deep eutectic solvents.

Preparation and Characterization of γ-Aminopropyltrimethoxysilane and Octadecyltrichlorosilane Self-Assembled Monolayers on Titanium Films

2008 ◽  
Vol 373-374 ◽  
pp. 472-475 ◽  
Author(s):  
C.G. Sun ◽  
Hui Chen Zhang
Keyword(s):  
Ultraviolet Radiation ◽  
Friction Force ◽  
Self Assembled Monolayers ◽  
Sliding Velocity ◽  
Friction Property ◽  
Titanium Film ◽  
Photochemical Process ◽  
Force Microscopy ◽  
Assembled Monolayers ◽  
Self Assembled

In this work, the self-assembled monolayers of γ-aminopropyltrimethoxysilane and octadecyltrichlorosilane were prepared on titanium films, radiated and solidified by ultraviolet radiation/ozone photochemical process. The characterization and friction properties of titanium film, APS SAMs, OTS SAMs and the radiated APS SAMs, OTS SAMs were explored by atomic force microscopy and friction force microscopy. The effects of functional groups, sliding velocity, load and ultraviolet radiation/ozone photochemical process on friction properties of SAMs were analyzed. The experimental results show that the titanium film coated with SAMs, especially under ultraviolet radiation/ozone, is exhibited with a good friction property. The friction property of APS SAMs is better than OTS SAMs under or no ultraviolet radiation/ozone. The friction force increases with the increasing of sliding velocity and decreases with the increasing of load.

High-performance ambipolar responses to oxidizing NO2 and reducing NH3 based on the self-assembled film of an amphiphilic tris(phthalocyaninato) europium complex

2017 ◽  
Vol 41 (20) ◽  
pp. 11955-11961 ◽  
Author(s):  
Haoyuan Wang ◽  
Xia Kong ◽  
Shuai Zhao ◽  
Junshi Wu ◽  
Xiyou Li ◽  
...  
Keyword(s):  
Temperature Sensor ◽  
High Performance ◽  
Room Temperature ◽  
Europium Complex ◽  
The Self ◽  
Quick Response ◽  
Self Assembled

High-sensitive, quick-response room-temperature sensor to NO2 and NH3 is developed, based on QLS film of a new amphiphilic tris(phthalocyaninato) europium.

Self-assembled three-dimensional hierarchical graphene hybrid hydrogels with ultrathin β-MnO2 nanobelts for high performance supercapacitors

2015 ◽  
Vol 3 (4) ◽  
pp. 1540-1548 ◽  
Author(s):  
Sheng Zhu ◽  
Hui Zhang ◽  
Ping Chen ◽  
Lin-Hui Nie ◽  
Chuan-Hao Li ◽  
...  
Keyword(s):  
Self Assembly ◽  
High Performance ◽  
Three Dimensional ◽  
The Self ◽  
Mass Loading ◽  
Hybrid Hydrogel ◽  
Precise Control ◽  
Ultrafine Structure ◽  
Hybrid Hydrogels ◽  
Self Assembled

A facile protocol for the self-assembly of the rGO/β-MnO2 hybrid hydrogel with ultrafine structure and precise control of mass-loading for high performance supercapacitors is reported.

scholarly journals Correction: Study on the efficient PV/TE characteristics of the self-assembled thin films based on bismuth telluride/cadmium telluride

RSC Advances ◽  
2017 ◽  
Vol 7 (63) ◽  
pp. 39685-39685
Author(s):  
Vivekanandan Raman ◽  
Dinah Punnoose ◽  
Pari Baraneedharan ◽  
Sunkara Srinivasa Rao ◽  
Chandu V. V. M. Gopi ◽  
...  
Keyword(s):  
Thin Films ◽  
Cadmium Telluride ◽  
Bismuth Telluride ◽  
The Self ◽  
Self Assembled

Correction for ‘Study on the efficient PV/TE characteristics of the self-assembled thin films based on bismuth telluride/cadmium telluride’ by Vivekanandan Raman et al., RSC Adv., 2017, 7, 6735–6742.

The alternative strategy for designing covalent drugs through kinetic effects of pi-stacking on the self-assembled nanoparticles: a model study with antibiotics

2016 ◽  
Vol 27 (44) ◽  
pp. 445101 ◽  
Author(s):  
Libo Du ◽  
Siqingaowa Suo ◽  
Han Zhang ◽  
Hongying Jia ◽  
Ke Jian Liu ◽  
...  
Keyword(s):  
The Self ◽  
Alternative Strategy ◽  
Pi Stacking ◽  
Model Study ◽  
Self Assembled ◽  
Kinetic Effects
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