喷墨打印技术在材料科学中的应用

近年来,采用喷墨打印技术制备功能陶瓷、金属导线、聚合物电致发光二极管以及生物芯片等材料引起了国内外研究人员的广泛关注。介绍了喷墨打印技术在陶瓷墨水喷墨打印无模成型、单分散胶体球体自组装、金属纳米粒子的图案化排列以及有机分子多层膜的微图形蚀刻中的研究和应用进展,讨论了喷墨成型技术在材料制备中存在的问题和发展趋势,指出喷墨打印技术已成为材料领域基础研究和产品研发的一个有力工具。     

物理气相法制备材料芯片的发展

组合材料芯片技术是近几年发展起来的一种快速发现、优化和筛选新型功能材料的方法.要充分发挥其在无机功能材料研究领域的优势,必须解决3个问题:①材料芯片的设计;②材料芯片的高速并行制备;③材料芯片的快速表征.其中材料芯片的制备是整个技术应用的前提,开发适用于高密度材料芯片制备的技术有着非常重大的意义.综述了无机功能材料芯片新的制备方法--物理气相顺序沉积,并简述了相关设备的特点和功能.     

喷墨打印用陶瓷墨水的研究现状及发展趋势

简要介绍了喷墨打印成型技术的概念,分析和总结了国内外相关厂家和研究团队关于喷墨打印用陶瓷墨水的研究现状,论述了制备陶瓷墨水的几种可行性方法和相关研究成果。通过分析认为,陶瓷墨水在国内还处于研发阶段,制备工艺不够成熟,几种方法各有利弊,如何改进陶瓷墨水的制备方法让其更好地适应喷墨打印机的要求仍然是现阶段亟待解决的技术难题。     

彩喷打印市场扫描

随着打印市场的竞争日益激烈，不同品牌产品之间的差异性正在逐渐消失。在彩色喷墨打印机的墨滴大小、打印头等技术达到一定的技术极限后，彩喷打印巨头爱普生和惠普等厂商都着力改进墨水技术，希望从墨水方面获得打印质量的提高。惠普、爱普生、佳能、利盟这喷墨打印机领域的四大巨头都推出了自己的新一代墨水技术。同时，喷头和墨盒的结构也在快速演变中，各种智能芯片的应用使得新一代的照片打印机更加人性化。     

喷墨印花颜料墨水及喷墨印花方法

文章详细介绍了一种喷墨印花方法及其所使用的喷墨印花设备和喷墨印花墨水,特别是一种在纯棉或至少含棉50％以上的织物上直接进行喷墨印花的方法、喷墨印花设备和喷墨印花墨水。     

喷墨纳米导电墨水体系研究及进展状况

文章详细介绍了纳米喷墨导电墨水体系研究，其中包括对喷墨导电墨水的组成和喷墨导电墨水的打印进行了详细说明。重点展示了国内外几个重要公司的研究情况，并对纳米喷墨导电墨水的未来发展提出了一些建议。     

无机膜及无机膜反应器研究进展

无机膜具有耐温、耐化学腐蚀、耐细菌和强度高等优点 ,在化工、环保、生物等工业具有广泛的应用领域 .膜反应器是将膜分离与催化反应结合在一个单元中同时进行的设备 .许多研究结果表明 ,膜反应器在提高可逆反应的转化率、选择性及产率等方面均有明显的效果 ,是化学工程学科具有很好发展前景的领域 .结合研究工作综述了无机膜技术的发展状况 ,包括无机膜的制备、无机膜反应器的形式、应用及无机膜组件结构的研究现状 .提出了无机膜技术需要深入研究的几个主要课题     

喷墨打印电极在薄膜晶体管中的应用

喷墨打印技术具有成本低、环境友好、效率高和直接写入等优势,被广泛应用于薄膜晶体管(TFTs)中图形化电极的制备。高密度、大尺寸、柔性和低能耗电子器件的快速发展,对打印电极质量提出了更高的要求。文章对导电墨水、喷墨打印技术及喷墨打印电极工艺优化进行了总结,并指出了现阶段喷墨打印电极在薄膜晶体管应用中存在的问题及今后的研究方向。     

无颗粒型金属导电墨水的研究进展

印刷电子是一项新兴的微电子制造技术,采用喷墨方式制备电子器件在印刷电子研究中占有极为重要的地位。常用的颗粒型金属导电墨水由于颗粒本身的性质,容易出现团聚,聚沉,甚至堵塞喷嘴的现象;而以金属前驱体化合物为主要组分的无颗粒型导电墨水相比之下却表现出了极大的优势,具有制备工艺简单,稳定性高等显著特点,尤其适用于喷墨打印过程。     

喷墨墨水技术的市场及发展

喷墨技术经过近几年的发展已成为一项成熟的新技术,本文介绍了各类喷墨墨水的性能和特点,论述了喷墨技术及喷墨墨水的发展趋势。     

Inkjet‐Printed Nanocavities on a Photonic Crystal Template

The last decade has witnessed the rapid development of inkjet printing as an attractive bottom‐up microfabrication technology due to its simplicity and potentially low cost. The wealth of printable materials has been key to its widespread adoption in organic optoelectronics and biotechnology. However, its implementation in nanophotonics has so far been limited by the coarse resolution of conventional inkjet‐printing methods. In addition, the low refractive index of organic materials prevents the use of “soft‐photonics” in applications where strong light confinement is required. This study introduces a hybrid approach for creating and fine tuning high‐Q nanocavities, involving the local deposition of an organic ink on the surface of an inorganic 2D photonic crystal template using a commercially available high‐resolution inkjet printer. The controllability of this approach is demonstrated by tuning the resonance of the printed nanocavities by the number of printer passes and by the fabrication of photonic crystal molecules with controllable splitting. The versatility of this method is evidenced by the realization of nanocavities obtained by surface deposition on a blank photonic crystal. A new method for a free‐form, high‐density, material‐independent, and high‐throughput fabrication technique is thus established with a manifold of opportunities in photonic applications.     

Characterization of polymorphic states in energetic samples of 1,3,5-trinitro-1,3,5-triazine (RDX) fabricated using drop-on-demand inkjet technology

The United States Army and the first responder community are evaluating optical detection systems for the trace detection of hazardous energetic materials. Fielded detection systems must be evaluated with the appropriate material concentrations to accurately identify the residue in theater. Trace levels of energetic materials have been observed in mutable polymorphic phases and, therefore, the systems being evaluated must be able to detect and accurately identify variant sample phases observed in spectral data. In this work, we report on the novel application of drop-on-demand technology for the fabrication of standardized trace 1,3,5-trinitro-1,3,5-triazine (RDX) samples. The drop-on-demand sample fabrication technique is compared both visually and spectrally to the more commonly used drop-and-dry technique. As the drop-on-demand technique allows for the fabrication of trace level hazard materials, concerted efforts focused on characterization of the polymorphic phase changes observed with low concentrations of RDX commonly used in drop-on-demand processing. This information is important when evaluating optical detection technologies using samples prepared with a drop-on-demand inkjet system, as the technology may be "trained" to detect the common bulk α phase of the explosive based on its spectral features but fall short in positively detecting a trace quantity of RDX (β-phase). We report the polymorphic shifts observed between α- and β-phases of this energetic material and discuss the conditions leading to the favoring of one phase over the other.     

国内计算机外设与耗材市场分析研究——彩色喷墨打印机及墨水的市场浅析

本文提供关于彩色喷墨打印器材的市场调研情况和分析。主要是关于彩色喷墨墨水方面，由于价格低廉，体积小，噪音低，色域广等优越的特性，2001年，我国彩色喷墨打印机的销售量已达1200万台，配套用的彩喷墨水市场需求量极大，目前，国内已有很多企业从事彩喷墨水的生产，已开发出一些价廉而质优的彩喷墨水产品，深受用户欢迎。     

Control of the Surface Morphology of Ceramic/Polymer Composite Inks for Inkjet Printing

The use of organic/inorganic composite inks in the Drop on Demand inkjet printing technology is a promising as well as demanding approach for the fabrication of composite thick films. Therefore, a versatile ceramic/polymer composite ink system for inkjet printing is developed in this study, containing Ba_0.6Sr_0.4TiO₃ (BST) and poly(methyl methacrylate) (PMMA). When developing such inks suitable for a one‐step fabrication, the major challenge is to fulfill the requirements of the inkjet printing technology and to obtain homogeneous surface morphologies after drying. Thus, possible influencing factors like the solvent composition, the solids content, and the ratio of ceramic to polymer are investigated to obtain a detailed knowledge for the general ink development. The fluid mechanical properties, viscosity, density, and surface tension are characterized. The main focus of this study lies on the drying behavior of the different inks, with the interactions of the ceramic particles, and the dissolved polymer molecules being highlighted. Furthermore, the drying behavior depending on the ink composition is shown. This study provides new insights into the possibility of using composite inks for the inkjet printing process and the fabrication of printed composite thick films in a single process step.

     

喷墨打印技术在功能材料精密器件加工中的应用

喷墨打印技术应用于聚合物成膜或成型,已成为功能聚合物沉积和精密器件加工领域的核心技术之一。介绍了喷墨打印技术在聚合物电致发光器件、有机薄膜晶体管、太阳能电池和传感器等领域的研究和应用进展,包括聚合物墨水的制备、薄膜均匀性、聚合物溶液与打印性能的关系、新型功能材料的研究和开发等问题,并指出了存在的问题和面临的挑战。     

Patterning Techniques for Metal Organic Frameworks

The tuneable pore size and architecture, chemical properties and functionalization make metal organic frameworks (MOFs) attractive versatile stimuli‐responsive materials. In this context, MOFs hold promise for industrial applications and a fervent research field is currently investigating MOF properties for device fabrication. Although the material properties have a crucial role, the ability to precisely locate the functional material is fundamental for device fabrication. In this progress report, advancements in the control of MOF positioning and precise localization of functional materials within MOF crystals are presented. Advantages and limitations of each reviewed technique are critically investigated, and several important gaps in the technological development for device fabrication are highlighted. Finally, promising patterning techniques are presented which are inspired by previous studies in organic and inorganic crystal patterning for the future of MOF lithography.     

A General Approach for Fluid Patterning and Application in Fabricating Microdevices

Engineering the fluid interface such as the gas–liquid interface is of great significance for solvent processing applications including functional material assembly, inkjet printing, and high‐performance device fabrication. However, precisely controlling the fluid interface remains a great challenge owing to its flexibility and fluidity. Here, a general method to manipulate the fluid interface for fluid patterning using micropillars in the microchannel is reported. The principle of fluid patterning for immiscible fluid pairs including air, water, and oils is proposed. This understanding enables the preparation of programmable multiphase fluid patterns and assembly of multilayer functional materials to fabricate micro‐optoelectronic devices. This general strategy of fluid patterning provides a promising platform to study the fundamental processes occurring on the fluid interface, and benefits applications in many subjects, such as microfluidics, microbiology, chemical analysis and detection, material synthesis and assembly, device fabrication, etc.     

喷墨打印机用墨对输出数码影像质量和耐久性的影响

目前，档案部门保管的数码打印影像文件耐久性令人担忧，喷墨打印影像的质量和长久保存性受纸张和墨多种因素的影响，本文提出在打印时要根据文件的实际用途选择相应的墨。     

Fabrication of organic nanocrystals for electronics and photonics

We have presented a simple technique for the fabrication of nanocrystals of organic molecules and polymers and have shown that it is possible, using the liquid-phase technique, to fabricate organic nanocrystals ranging in size from 10 nm to 1 μm by manipulating the preparative conditions. In particular, nanocrystals of poly(4-BCMU) ranging from 20 nm to 350 nm were prepared by controlling the preparation conditions. The main advantages of the liquid-phase technique are the practicality and suitability of the technique for a wide range of materials. The fabrication of organic nanocrystals, though at a very early stage, seems a promising approach for producing low-dimensional organic materials and, like inorganic nanocrystals, another important objective for future study would be to incorporate organic nanocrystals into a variety of inorganic and organic media. It is hoped that extensive work will be done on organic nanocrystals to evaluate their potential for electronics and photonics.     

关于研发照相级喷墨打印记录材料的探讨

本文介绍了照相级喷墨打印记录材料的特性和研发途径。叙述了空隙型吸墨层的结构，染料固定技术的要旨，涂层耐水处理的方法。所用主要原材料和支持体的性能。概述了喷墨打印记录材料的质量评价方法。阐明了作者关于加速研发照相级喷墨打印记录材料的观点。