报告题目：Constructing three-dimensional structures from nanocellulose for advanced applications

报 告 人：姜锋教授 加拿大不列颠哥伦比亚大学

报告时间：2023年5月18日（星期四）上午09:00

报告地点：造纸D楼306会议室

欢迎广大师生踊跃参加。

制浆造纸工程国家重点实验室

轻工科学与工程学院

2023年5月9日

报告人简介：

姜锋博士，加拿大不列颠哥伦比亚大学木材科学系助理教授，加拿大可持续功能性生物质材料研究主席(Canada Research Chair)。主要从事生物质材料高值化转化，研究方向涉及纳米纤维素的分离与改性，超分子自组装，气凝胶，水凝胶，增材制造，传感器，水处理，热调控管理，以及电子器件制备。迄今发表论文100余篇，总引用超过9000余次，其科研成果被260多个加拿大以及国际媒体报道。目前担任Carbohydrate Polymers期刊副主编，以及多个期刊杂志编委。在国际上获得多项奖项，其中包括，2021年美国化学年会纤维素与可再生材料分会KINGFA 青年学者奖获得者，2022年Paper360° TOP 50 POWER LIST，2023年UBC林学院杰出科研奖。

Prof. Feng Jiang, currently, is an assistant professor at The University of British Columbia, and also a Tier II Canada Research Chair in Sustainable Functional Biomaterials. He received his PhD degree in Macromolecular Science and Engineering from Virginia Tech in 2011, and postdoc training from University of California Davis, and University of Maryland College Park. His research areas focus on sustainable isolation and modification of lignocellulosic nanomaterials, as well as advanced manufacturing of bio-based products developments for emerging thermal, environmental, electrical, and energy applications. In past 5 years, he has published over 65 journal articles in high-impact materials and chemistry journals such as ACS Nano, Advanced Functional Materials, Nano Energy, Progress in Materials Science, and Chemical Engineering Journal. He has edited one book and published several book chapters. He has delivered over 100 presentations at international conferences and Universities. His research has generated 2 patents, and several provision patents, and has been reported by over 300 different media. He serves as Editor of Carbohydrate Polymers and Associate Editor of Frontiers in Materials. He is the 2021 recipient of ACS CELL KINGFA Young Investigator Award and 2023 recipient of UBC Faculty of Forestry Outstanding Research Award, and he has been selected as the The Paper360° 2022 TOP 50 POWER LIST. He also holds several leadership roles in ACS CELL Division and TAPPI Nano Division.

报告摘要：

近年来，由于生物质纳米材料（例如纳米纤维素）优异的力学，光学，以及纳米尺度的性能，其在诸多领域的应用引起了广泛的关注。在自然界中，作为天然的基本纳米单元，纳米纤维素在构建树木中的三维维管组织结构起到了主导作用。尽管树木自身的维管结构具有诸多优势，构建新型的多孔层级结构对于扩展纳米纤维素的应用同样具有广泛的研究价值。我们实验室致力于开发新型纳米纤维素材料，主要应用于水和环境处理，热管理，电子器件，以及能源存储等应用。本次报告将围绕如何构建纳米纤维素三维结构展开，主要介绍1）构筑超轻，超弹，以及具有优异绝热性能的高性能纳米纤维素气凝胶；2）构筑纳米纤维素基离子及电子导电水凝胶。最后，希望通过本次报告与大家一同来探讨纳米纤维在结构构造以及不同应用领域的潜能。

As nature’s most sophisticated fibrous building block, cellulose nanofibril (CNF) is featured with unique properties including ultrathin lateral dimension (1-2 nm), high aspect ratio (500-1000), superb mechanical properties (~100 GPa modulus), and versatile surface chemistries, making it ideal for assembling into varied hierarchical structures, adapting to our ever-increasing needs for sustainable functional materials. The Sustainable Functional Biomaterials lab at UBC focuses on designing various types of hierarchical structures by manipulating the assembly of CNFs, including ultra-strong fibers, films, hydrogel, aerogel, foam, and 3D printed monoliths, which demonstrated great potentials for applications in environmental remediation, water treatment, thermal management, energy storage, and sensors. In this presentation, I will discuss several examples of CNF-based 3D structures developed in my lab, including lightweight and elastic CNF aerogels for thermal insulation applications; 3D printed cellulosic monolith with controlled mechanical properties; and high-performance ionically and electrically conductive gel.