Fundamentals and applications of ferro- and antiferroelectric liquid crystals - the physics and chemistry of "de Vries"-type materials

铁电和反铁电液晶的基础和应用 - “de Vries”型材料的物理和化学

基本信息

项目摘要

A joint program of research in chiral/polar liquid crystals showing fast analog electrooptics is proposed between investigators at the University of Colorado, Boulder, Chalmers University of Technology, Sweden, the University of Stuttgart, Germany, Queen’s University, Canada, and the University of Strathclyde, United Kingdom.The principal investigators at the University of Colorado have broad combined expertise in the synthesis, characterization and modeling of liquid crystal materials. They collaborate in several research projects, including the multidisciplinary Liquid Crystal Materials Research Center (LCMRC), an NSF MRSEC. The LCMRC is a unique venue worldwide for research on polarity and chirality and their interplay in condensed phases. The proposed Materials World Network partners maintain similar yet complementary programs of investigation of chiral liquid crystals, with support from their national funding agencies.This proposal requests support to broaden a program of intensive joint materials research with Chalmers and Stuttgart begun in 1999, and funded as a Materials World Network in 2006. With the addition of synthetic and theoretical thrusts, the requested funding will enable enhanced collaboration in an exciting area of forefront liquid crystal research, combining the complementary capabilities of the partner groups in projects that pursue the fundamental science and applications of analog polar/chiral smectic liquid crystals as the principal overall theme. While various combinations of the MWN partners have been collaborating separately over the past several years, all with joint publications, the proposed Network will create a uniquely powerful team for forefront research on chiral liquid crystals.The intellectual merit of the proposed activity derives from the technological importance of the proposed research, the broad range of fundamental scientific questions to be addressed, and the unique and complementary areas of expertise brought to bear through the joint efforts of the partner groups. The focus is on exotic chiral smectics: the "V-shaped switching" smectic C's with the most rapid analog liquid crystal electro-optic effects; the "deVries" materials exhibiting analog behavior via extended molecular tilt correlations in the smectic A phase; the closely related "orthoconic" high-tilt antiferroelectrics; and bent-core liquid crystals with a polar smectic A phase that give phase-only electrooptic modulation. The proposed research highlights fundamental studies of the relationships of these behaviors, investigations of novel liquid crystal systems with ramifications for a variety of areas in soft materials science. The corresponding materials development will enable a variety of novel applications, including holographic data storage and projection, beam steering, and chirality detection.The broader impacts of the proposed activity in the areas of education and industrial outreach and human resource development will be substantial, augmenting and enhancing ongoing programs in Boulder and the partner institutions. Exchange visits of junior researchers and faculty will promote cultural diversity and the professional development of the participants. The partner groups will share and adapt appropriate outreach materials, including modules for K-12 science enrichment classes. The liquid crystal materials to be investigated are promising candidates for applications in the areas of displays and optical beam steering. The Boulder group has a track record of substantive technology transfer including spin-off commercial ventures producing liquid crystal display products and scientific equipment. Given the wide variety of potential applications of the proposed research, it is likely that this collaboration will engender technology transfer to the private sector both in America and Europe.Further information on the proposed International Materials World interaction and anticipated benefits are discussed in the Supplementary Documents section at the end of this proposal.
一项显示快速模拟电光的手性/极性液晶研究的联合计划由位于博尔德的科罗拉多大学、瑞典查尔默斯理工大学、德国斯图加特大学、加拿大皇后大学和英国斯特拉斯克莱德大学的研究人员提出。科罗拉多大学的主要研究人员在合成方面具有广泛的综合专业知识,液晶材料的表征和建模。他们在多个研究项目中合作,包括多学科液晶材料研究中心(LCMRC),NSF MRSEC。LCMRC是全球研究极性和手性及其在凝聚相中相互作用的独特场所。材料世界网络的合作伙伴在各自国家资助机构的支持下,继续开展类似但互补的手性液晶研究项目。该提案要求支持扩大与查尔默斯和斯图加特于1999年开始的密集联合材料研究项目,并于2006年作为材料世界网络获得资助。随着合成和理论的推进,所申请的资金将加强在前沿液晶研究的令人兴奋的领域的合作,结合合作伙伴团体在追求基础科学和模拟极性/手性近晶液晶应用的项目中的互补能力作为主要的总体主题。虽然MWN合作伙伴的各种组合在过去几年中一直在单独合作,所有都有联合出版物,但拟议的网络将为手性液晶的前沿研究创造一个独特而强大的团队。拟议活动的智力价值来自拟议研究的技术重要性,要解决的广泛基础科学问题,以及通过伙伴团体的共同努力发挥作用的独特和互补的专门知识领域。重点是异国情调的手性近晶:“V形开关”近晶C的最快速的模拟液晶电光效应;“deVries”材料通过近晶A相的扩展分子倾斜相关性表现出模拟行为;密切相关的“正交”高倾斜反铁电体;和具有极性近晶A相的双芯液晶,只提供相位电光调制。拟议的研究突出了这些行为之间关系的基础研究,对新型液晶系统的研究,以及对软材料科学各个领域的影响。相应的材料开发将使各种新的应用,包括全息数据存储和投影,光束转向,和chirality detection.The更广泛的影响,在教育和工业推广和人力资源开发领域的拟议活动将是实质性的,扩大和加强在博尔德和合作机构正在进行的计划。初级研究人员和教员的互访将促进文化多样性和参与者的专业发展。伙伴团体将分享和改编适当的宣传材料,包括K-12科学强化班的模块。待研究的液晶材料是在显示器和光束转向领域中应用的有希望的候选者。博尔德集团拥有大量技术转让的记录,包括生产液晶显示器产品和科学设备的分拆商业企业。考虑到所提议的研究的广泛的潜在应用,很可能这种合作将产生技术转让给美国和欧洲的私营部门。关于所提议的国际材料世界互动和预期效益的进一步信息,将在本提案末尾的补充文件部分进行讨论。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Orientational fluctuations near the smectic A to smectic C phase transition in two "de Vries"-type liquid crystals.
Design of liquid crystals with ‘de Vries-like’ properties: carbosilane-terminated 5-phenylpyrimidine mesogens suitable for chevron-free FLC formulations
具有类似“de Vries”特性的液晶设计:适合无 V 形 FLC 配方的碳硅烷封端 5-苯基嘧啶介晶
  • DOI:
    10.1039/c4tc00393d
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    6.4
  • 作者:
    C. P. J. Schubert;A. Bogner;J. H. Porada;K. Ayub;T. Andrea;F. Giesselmann;R. P. Lemieux
  • 通讯作者:
    R. P. Lemieux
Electroclinic effect in a chiral carbosilane-terminated 5-phenylpyrimidine liquid crystal with 'de Vries-like' properties.
具有“德弗里斯样”性质的手性碳硅烷封端的 5-苯基嘧啶液晶中的电致效应
  • DOI:
    10.1039/c5cc05212b
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    C. P. J. Schubert;C. Mueller;M. D. Wand;F. Giesselmann;R. P. Lemieux
  • 通讯作者:
    R. P. Lemieux
Reliability of Orientational Order Parameters Determined from Two-dimensional X-ray Diffraction Patterns: A Simulation Study.
从二维 X 射线衍射图确定的取向序参数的可靠性:模拟研究
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Professor Dr. Frank Gießelmann其他文献

Professor Dr. Frank Gießelmann的其他文献

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{{ truncateString('Professor Dr. Frank Gießelmann', 18)}}的其他基金

Fundamentals and applications of ferro- and antiferroelectric liquid crystals - the physics and chemistry of 'de Vries'-type materials
铁电和反铁电液晶的基础和应用 - “德弗里斯”型材料的物理和化学
  • 批准号:
    24840804
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Grundlagen und Anwendung von Chiralitätseffekten in lyotropen Flüssigkristallen
溶致液晶手性效应的基础与应用
  • 批准号:
    19228596
  • 财政年份:
    2005
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Struktur, Dynamik und Chiralität in photoisomerisierbaren ferroelektrischen Flüssigkristallen
光致异构铁电液晶的结构、动力学和手性
  • 批准号:
    5174598
  • 财政年份:
    1999
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Struktur und Dynamik amphiphiler Flüssigkristalle unter besonderer Berücksichtigung ihrer elektrischen Leitfähigkeit
两亲性液晶的结构和动力学,特别考虑其电导率
  • 批准号:
    5366167
  • 财政年份:
    1997
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Lyotropic Liquid Crystal Gels: Structure, Rheology, and Stimuli-Response
溶致液晶凝胶:结构、流变学和刺激响应
  • 批准号:
    289272413
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Structure and dynamics of ionic liquid crystals
离子液晶的结构和动力学
  • 批准号:
    257901426
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Research Grants

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