Harnessing molecular assembly phenomena in multidimensional printed organic functional materials

利用多维印刷有机功能材料中的分子组装现象

• 批准号: RGPIN-2021-03119
• 负责人: Laventure, Audrey
• 金额: $ 1.75万
• 依托单位: Université de Montréal
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=748691
• 关键词: Harnessing; molecular; assembly; phenomena; multidimensional

Our research program aims to harness physicochemical knowledge related to the molecular principles at play in multidimensional printed organic functional materials to facilitate the development of 3D printed objects with built-in, localized functionalities relevant for numerous applications, including energy conversion. *** Additive manufacturing, also referred to as three-dimensional (3D) printing, is revolutionizing the way materials are designed and produced. For instance, 3D printing is capable of generating on-demand and customized objects in complex geometrical form without requiring expensive tools or multi-step processes. However, this level of democratization has not been translated yet to the fabrication of 3D printed objects that require to perform specific functionality, such as sensing, optoelectronic and energy conversion. Currently, there is no technique capable to print the object form and function all at once. *** In this context, the long-term goal of our research aims to address this challenge by harnessing molecular assembly phenomena to facilitate localized built-in functionalities in 3D printed materials, bypassing the 3D printing equipment limitations, and rather develop and exploit chemical assembly concepts. *** Although the aforementioned functionalities emerge from a property that is dictated by the molecular organization of a functional material, which is itself influenced by the material's processing, the structure-property-function relationships in 3D printed organic functional materials, and more specifically in organic semiconducting (OSC) compounds, remain largely unexplored. *** Hence, we propose to investigate structure-processing-property-function relationships involved in the 3D printing of multicomponent OSC materials, with the following objectives: 1) Elucidating the mechanisms contributing to the preparation of aligned (long-range ordered) 3D printed OSC materials; 2) Understanding the principles governing the in situ formation of OSC nanostructures during 3D printing; and 3) Uncovering novel strategies for the localization of OSC components in 3D printed materials. *** Harnessing this fundamental physicochemical knowledge will help us to understand, control and predict the organization of molecular assemblies in ways that facilitate 3D printing of OSC materials with unprecedented built-in charge transport properties and localized energy conversion functionalities. The expected outcomes of our research program will contribute to unleash the full disruptive innovation potential of 3D printed organic functional materials, in addition to foster new opportunities in energy and manufacturing, contributing to make Canada a recognized leader in these fields. Finally, our program will train highly qualified scientists with a unique multidisciplinary skillset in chemistry of materials, which can be leveraged towards innovative careers meeting the needs in research, industry and government.

我们的研究项目旨在利用与多维打印有机功能材料中发挥作用的分子原理相关的物理化学知识，以促进具有与多种应用相关的内置、局部功能的 3D 打印物体的开发，包括能量转换。 *** 增材制造，也称为三维 (3D) 打印，正在彻底改变材料的设计和生产方式。例如，3D 打印能够按需生成复杂几何形状的定制物体，而无需昂贵的工具或多步骤流程。然而，这种程度的民主化尚未转化为需要执行特定功能（例如传感、光电和能量转换）的 3D 打印物体的制造。目前，还没有技术能够同时打印对象的形式和功能。 *** 在此背景下，我们研究的长期目标旨在通过利用分子组装现象来促进3D打印材料中的本地化内置功能，绕过3D打印设备的限制，并开发和利用化学物质来应对这一挑战。装配概念。 *** 尽管上述功能是由功能材料的分子组织决定的特性产生的，而功能材料本身又受到材料加工、3D 打印有机功能材料中的结构-特性-功能关系的影响，更具体地说是在有机半导体（OSC）化合物在很大程度上仍未得到探索。 *** 因此，我们建议研究多组分 OSC 材料 3D 打印中涉及的结构-加工-性能-功能关系，其目标如下：1) 阐明有助于制备对齐（长程有序）3D 材料的机制印刷 OSC 材料； 2) 了解3D打印过程中OSC纳米结构原位形成的原理； 3) 发现 3D 打印材料中 OSC 组件本地化的新策略。 *** 利用这一基本物理化学知识将帮助我们理解、控制和预测分子组装体的组织，从而促进 OSC 材料的 3D 打印，并具有前所未有的内置电荷传输特性和局部能量转换功能。我们的研究计划的预期成果将有助于释放 3D 打印有机功能材料的全部颠覆性创新潜力，此外还培育能源和制造业的新机遇，有助于使加拿大成为这些领域公认的领导者。最后，我们的项目将培养在材料化学方面具有独特多学科技能的高素质科学家，这些技能可用于满足研究、工业和政府需求的创新职业。