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16 Results Found

  • Article
  • Open Access
12 Citations
3,093 Views
11 Pages

27 February 2020

Based on an analysis of the precision and preparation technology of an optical texture film with a triangular pyramid texture, the technical requirements of the original mold were determined, and precision shaping planning technology was adopted to p...

  • Article
  • Open Access
2 Citations
1,715 Views
29 Pages

1 September 2023

This work addresses the achievement of efficient control of laser light transmission through stationary microperiodic parallel stripe textures formed in films of nematic liquid crystals (NLCs) in planar-oriented cells upon a direct-current (DC) elect...

  • Article
  • Open Access
20 Citations
5,280 Views
15 Pages

Optical Gas Sensing with Liquid Crystal Droplets and Convolutional Neural Networks

  • José Frazão,
  • Susana I. C. J. Palma,
  • Henrique M. A. Costa,
  • Cláudia Alves,
  • Ana C. A. Roque and
  • Margarida Silveira

18 April 2021

Liquid crystal (LC)-based materials are promising platforms to develop rapid, miniaturised and low-cost gas sensor devices. In hybrid gel films containing LC droplets, characteristic optical texture variations are observed due to orientational transi...

  • Article
  • Open Access
104 Citations
18,300 Views
14 Pages

AZO Thin Films by Sol-Gel Process for Integrated Optics

  • Lamia Znaidi,
  • Tahar Touam,
  • Dominique Vrel,
  • Nacer Souded,
  • Sana Ben Yahia,
  • Ovidiu Brinza,
  • Alexis Fischer and
  • Azzedine Boudrioua

3 July 2013

Undoped and aluminum-doped zinc oxide (AZO) thin films are prepared by the sol-gel process. Zinc acetate dihydrate, ethanol, and monoethanolamine are used as precursor, solvent, and stabilizer, respectively. In the case of AZO, aluminum nitrate nona...

  • Article
  • Open Access
35 Citations
8,070 Views
14 Pages

Enhancing the Efficiency of Color Conversion Micro-LED Display with a Patterned Cholesteric Liquid Crystal Polymer Film

  • En-Lin Hsiang,
  • Yannanqi Li,
  • Ziqian He,
  • Tao Zhan,
  • Caicai Zhang,
  • Yi-Fen Lan,
  • Yajie Dong and
  • Shin-Tson Wu

5 December 2020

Color-converted micro-light-emitting diode (micro-LED) displays with wide color gamut, high ambient contrast ratio, and fast response time are emerging as a potentially disruptive technology. However, due to limited optical density and thickness of t...

  • Article
  • Open Access
8 Citations
3,257 Views
17 Pages

The Influence of Argon Cluster Ion Bombardment on the Characteristics of AlN Films on Glass-Ceramics and Si Substrates

  • Ivan V. Nikolaev,
  • Pavel V. Geydt,
  • Nikolay G. Korobeishchikov,
  • Aleksandr V. Kapishnikov,
  • Vladimir A. Volodin,
  • Ivan A. Azarov,
  • Vladimir I. Strunin and
  • Evgeny Y. Gerasimov

17 February 2022

In this paper, the influence of surface modification on the characteristics and properties of AlN thin films on Si and glass-ceramics substrates is investigated. The surface modification was made at various parameters of argon cluster ions. By using...

  • Article
  • Open Access
1,008 Views
18 Pages

The Material Growth and Characteristics of Transition Metal Oxide Thin Films Based on Hot Wire Oxidation Sublimation Deposition Technology

  • Fengchao Li,
  • Qingguo Kang,
  • Zhenwei Kang,
  • Tengteng Li,
  • Jiangang Yu,
  • Haibing Qiu,
  • Ting Liang and
  • Cheng Lei

31 August 2025

Transition-metal oxides (TMOs) possess pronounced optoelectronic properties and are widely exploited in photovoltaics and photocatalysis. Here, we introduce a hot wire oxidation sublimation deposition (HWOSD) that directly converts elemental Mo and W...

  • Article
  • Open Access
3 Citations
1,475 Views
16 Pages

Comprehensive Structural, Chemical, and Optical Characterization of Cu2ZnSnS4 Films on Kapton Using the Automated Successive Ionic Layer Adsorption and Reaction Method

  • Perla J. Vázquez-González,
  • Martha L. Paniagua-Chávez,
  • Lizette A. Zebadua-Chavarria,
  • Rafael Mota-Grajales,
  • C. A. Meza-Avendaño,
  • Enrique Campos-González,
  • A. Escobosa-Echavarría,
  • Yaoqiao Hu,
  • Aldo E. Pérez-Ramos and
  • Carlos A. Hernández-Gutiérrez
  • + 1 author

8 January 2025

This study provides a comprehensive structural, chemical, and optical characterization of CZTS thin films deposited on flexible Kapton substrates via the Successive Ionic Layer Adsorption and Reaction (SILAR) method. The investigation explored the ef...

  • Article
  • Open Access
40 Citations
7,127 Views
10 Pages

High-Performance Polymer Dispersed Liquid Crystal Enabled by Uniquely Designed Acrylate Monomer

  • Rijeesh Kizhakidathazhath,
  • Hiroya Nishikawa,
  • Yasushi Okumura,
  • Hiroki Higuchi and
  • Hirotsugu Kikuchi

22 July 2020

The widespread electro–optical applications of polymer dispersed liquid crystals (PDLCs) are hampered by their high-driving voltage. Attempts to fabricate PDLC devices with low driving voltage sacrifice other desirable features of PDLCs. There...

  • Article
  • Open Access
1,203 Views
24 Pages

Optimizing Postharvest Edible Coatings for Fruit and Vegetables with Plant-Based Polysaccharides

  • Marcos D. Ferreira,
  • Luís E. De S. Vitolano,
  • Fernanda R. Procopio,
  • Ramon Peres Brexó,
  • Larissa G. R. Duarte,
  • Pedro H. B. Nogueira,
  • Vitor P. Bandini,
  • Milene C. Mitsuyuki and
  • Elaine C. Paris

14 November 2025

Polysaccharide-based edible coatings are increasingly explored as sustainable strategies for maintaining quality of fresh produce, acting as barriers to gas exchange while improving mechanical and optical properties. However, their effectiveness depe...

  • Article
  • Open Access
7 Citations
3,221 Views
11 Pages

Effect of Passivation Layer on the Thin Film Perovskite Random Lasers

  • Subha Prakash Mallick,
  • Yu-Heng Hong,
  • Lih-Ren Chen,
  • Tsung Sheng Kao and
  • Tien-Chang Lu

18 May 2020

Novel functionalities of disorder-induced scattering effect in random lasers, attributed to low spatial coherence, draw remarkable attention in high-contrast to superior quality speckle-free imaging applications. This paper demonstrates perovskite-po...

  • Article
  • Open Access
2 Citations
3,045 Views
35 Pages

23 February 2024

The application of materials with changing visual properties with lighting and observation directions has found broad utility across diverse industries, from architecture and fashion to automotive and film production. The expanding array of applicati...

  • Article
  • Open Access
6 Citations
5,906 Views
16 Pages

Inkjet-Printed Chemical Solution Y2O3 Layers for Planarization of Technical Substrates

  • Marta Vilardell,
  • Jordina Fornell,
  • Jordi Sort,
  • Roxana Vlad,
  • Juan Carlos Fernández,
  • Joaquim Puig,
  • Alexander Usoskin,
  • Anna Palau,
  • Teresa Puig and
  • Albert Calleja
  • + 1 author

11 December 2017

The implementation of the Chemical Solution Deposition (CSD) methodology with the Drop on Demand (DoD) inkjet printing (IJP) technology has been successfully employed to develop a Solution Deposition Planarization (SDP) method. We have used nanocryst...

  • Article
  • Open Access
14 Citations
4,337 Views
18 Pages

11 May 2022

Biological systems, by nature, are highly complex. These systems exhibit diverse hierarchical spatial and temporal features when driven far from equilibrium. The generated features are susceptible to the initial conditions that largely depend on vast...

  • Review
  • Open Access
5 Citations
5,488 Views
49 Pages

Role of Nanocellulose in Light Harvesting and Artificial Photosynthesis

  • Pieter Samyn,
  • Vibhore Kumar Rastogi,
  • Neelisetty Sesha Sai Baba and
  • Jürgen Van Erps

8 June 2023

Artificial photosynthesis has rapidly developed as an actual field of research, mimicking natural photosynthesis processes in plants or bacteria to produce energy or high-value chemicals. The nanocelluloses are a family of biorenewable materials that...

  • Article
  • Open Access
13 Citations
4,023 Views
17 Pages

The Structure, Morphology, and Mechanical Properties of Ta-Hf-C Coatings Deposited by Pulsed Direct Current Reactive Magnetron Sputtering

  • Alexis de Monteynard,
  • Huan Luo,
  • Mohamed Chehimi,
  • Jaafar Ghanbaja,
  • Sofiane Achache,
  • Manuel François,
  • Alain Billard and
  • Frédéric Sanchette

28 February 2020

Ta, Hf, TaCx, HfCx, and TaxHf1-xCy coatings were deposited by reactive pulsed Direct Current (DC) magnetron sputtering of Ta or Hf pure metallic targets in Ar plus CH4 gas mixtures. The properties have been investigated as a function of the carbon co...