Test‐Paper‐Like Photonic Crystal Viscometer

Zhang, Yuqi; Fu, Qianqian; Ge, Jianping

doi:10.1002/smll.201603351

Cited by 36 publications

(23 citation statements)

References 45 publications

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“…For 2D CPC devices, modifications in optical fibers, heterostructures, and molecular imprinting sensors were reported with enhanced properties, which might have enhanced glucose-sensing properties as emerging devices [94][95][96][97]. For 3D CPC systems, the test paper-like CPC materials provide rapid chemical separation and visual response as potential devices in glucose detection [98,99]. As above-mentioned, as recent research for glucose monitoring not only focuses on blood, but also on other body fluids such as sweat, urine, tear, and saliva [100], more and more diversified photonic implantable and wearable devices might appear [101,102].…”

Section: Other Emerging Devicesmentioning

confidence: 99%

Hydrogel-Based Colloidal Photonic Crystal Devices for Glucose Sensing

Tang

Chen

2020

Polymers

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Diabetes, a common epidemic disease, is increasingly hazardous to human health. Monitoring body glucose concentrations for the prevention and therapy of diabetes has become very important. Hydrogel-based responsive photonic crystal (PC) materials are noninvasive options for glucose detection. This article reviews glucose-sensing materials/devices composed of hydrogels and colloidal photonic crystals (CPCs), including the construction of 2D/3D CPCs and 2D/3D hydrogel-based CPCs (HCPCs). The development and mechanisms of glucose-responsive hydrogels and the achieved technologies of HCPC glucose sensors were also concluded. This review concludes by showing a perspective for the future design of CPC glucose biosensors with functional hydrogels.

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Section: Other Emerging Devicesmentioning

confidence: 99%

Hydrogel-Based Colloidal Photonic Crystal Devices for Glucose Sensing

Tang

Chen

2020

Polymers

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“…More precisely, a working curve from the time‐resolved reflectance spectra and silicone oil mixtures with known viscosities was established. This viscous test paper is appropriate for many viscous liquids including silicone oil, a mixture of ethylene glycol and glycerol, and the mixture of mineral oils …”

Section: Emerging Optical Applications Of Ordered Micro/nanostructuresmentioning

confidence: 99%

Section: Emerging Optical Applications Of Ordered Micro/nanostructuresmentioning

confidence: 99%

Ordered Hybrid Micro/Nanostructures and Their Optical Applications

Zhang

Yang

2019

Advanced Optical Materials

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known that the optical properties related refractive index is an important parameter for ordered micro/nanostructures. Commonly, organic substances own lower refraction. Aiming at improving which, researchers introduce highly polarizable heteroatoms or rigid aromatic moieties. However, the maximum of refractive index is limited to 1.54-1.60, [3] which is far from the requirements of rapidly developing technologies. [4] Incorporation of inorganic materials with relative higher refractive index (TiO 2 , ZnO, ZnS, graphene nanoparticles, and Si) into an organic matrix is capable of enlarging the optical parameters to a great extent, generally up to a value of 2.5-3.0, [5] which offers more chances for the fabrication of novel ordered micro/nanostructures. Photonic crystals (PCs), for example, regularly arrange materials of high and low dielectric constants on the order of the wavelength of light. The photonic bandgap (PBG) prohibiting the propagation of light results from the sufficient dielectric contrast and appropriate geometry. The structural color therefore generates. Manipulating the propagation of light via micro/nanostructures meets the requirements for modern optical devices. [6] As a result, more efforts have been applied to devices consisting of micro/nanostructures of multiple materials, such as synthetic materials and biomaterials. [7] Besides optical properties, the strength and toughness of ordered micro/nanostructures are also improved based on the hybrid material. Meanwhile, the electric and magnetic features of inorganic dopants can also exactly assist the adjustability. Therefore, the hybrid can significantly improve performance compared with its constituent.This review emphasizes on applications sought (sensing, imaging, communication, photoelectricity, etc.), the materials used (silicon, metals, polymers, etc.), and the preparation methods employed (patterning, etching, deposition, etc.). We present an attempt to classify and compare some intensively reported micro/nanostructures of hybrid materials and/or heterogeneous structures, along with recent important developments in literatures. It is organized as follows: First, we summarize some fundamental physical principles and concepts in brief. Second, we particularly highlight artificial and natural laminar structures, represented by Bragg stacks (BSs) and butterfly wings, which have drawn much attention in the latest literatures. Next, the focus shifts to the preparation routes and materials adoption of colloidal crystals and their derived periodic arrays. A few examples of highly functional materials Recent advances in manufacturing and technology of ordered hybrid micro/ nanostructures have acquired many breakthroughs. With the aid of the cooperation of various materials, the ordered hybrid micro/nanostructures exhibit high-quality performance and mechanical stability and allow the modulation on the light-matter interaction in a controllable manner, thereby enabling a wide variety of innovative applications. This article reviews recent deve...

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“…By introducing responsive building blocks, polymers, or other components into the colloidal photonic crystals, responsive photonic crystals can be prepared and their color can be changed depending on the physical or chemical stimulations . These photonic crystals with brilliant structural colors have attracted considerable interests due to their growing applications in the field of reflection mode‐based color display, sensor, printing, anti‐counterfeiting, optical device, photocatalysis, and solar cell …”

Section: Introductionmentioning

confidence: 99%

Simple and Ultrafast Fabrication of Invisible Photonic Prints with Reconfigurable Patterns

Yang

Huang

2020

Advanced Optical Materials

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tunable particle sizes can be synthesized in large-scale and low cost, which can be packed into ordered structures with good quality. By introducing responsive building blocks, polymers, or other components into the colloidal photonic crystals, responsive photonic crystals can be prepared and their color can be changed depending on the physical or chemical stimulations. [3][4][5] These photonic crystals with brilliant structural colors have attracted considerable interests due to their growing applications in the field of reflection mode-based color display, [6][7][8][9][10][11] sensor, [12][13][14][15][16][17][18][19][20] printing, [21][22][23][24][25][26][27] anti-counterfeiting, [28][29][30][31][32][33][34] optical device, [35][36][37][38][39] photocatalysis, [40][41][42][43] and solar cell. [44][45][46] Photonic crystal prints show intrinsic advantages in color display and information storage due to their structures induced anti-photobleaching properties compared to the conventional organic dyes or heavy metal pigments. The traditional photonic prints with tailored color contrast between the pattern and background have been widely investigated. These visible photonic prints with elaborate patterns can be prepared through ink-jet printing of particles with different sizes, [26] and selective fixing the structures of photonic crystals by UV light, [47,48] magnetic, [49] and electric field. [7,21,50] In contrast to the visible pattern, invisible photonic prints that can hide and show the patterns under normal circumstance and external stimulus respectively are appealing especially in counterfeiting of high security. However, the practical applications of invisible photonic prints remain a big challenge due to the following reasons: 1) the contrast of the reflection peak between the pattern and background must be as small as possible (ideal state: Δλ = 0) in order to hide the pattern into the background at normal conditions, 2) the color contrast between the pattern and background should be as large as possible to reveal the pattern when the external stimulation is applied, 3) the invisible pattern can be reconfigured repeatedly to realize the low resource consuming and environmentally friendly materials, and 4) the whole fabrication and reconfiguration process should be simple, fast and efficient in an economic way.Currently, various strategies have been developed to fabricate invisible photonic prints on the basis of cross-linking, drying, or modification of the selected regions of photonic papers, and the patterns can be revealed by dint of water, [51][52][53][54] deformation, [55,56] magnetic field, [57] UV light, [58] and vapor of Photonic prints integrated with invisible and reconfigurable patterns are highly desired due to their potential applications in combining anti-counterfeiting, anti-photobleaching, and low-resource consuming. Here, a simple and fast approach is reported to fabricate invisible photonic prints, which are prepared by coating a layer of oleylamine (OAm) on the selective region of hydrop...

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Test‐Paper‐Like Photonic Crystal Viscometer

Cited by 36 publications

References 45 publications

Hydrogel-Based Colloidal Photonic Crystal Devices for Glucose Sensing

Hydrogel-Based Colloidal Photonic Crystal Devices for Glucose Sensing

Ordered Hybrid Micro/Nanostructures and Their Optical Applications

Simple and Ultrafast Fabrication of Invisible Photonic Prints with Reconfigurable Patterns

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