RUI: Phase Stability and Chromophore Reorientation in Photorefractive Polymer Composites

RUI:光折变聚合物复合材料中的相稳定性和发色团重新取向

基本信息

  • 批准号:
    0103817
  • 负责人:
  • 金额:
    $ 13.39万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2001
  • 资助国家:
    美国
  • 起止时间:
    2001-09-01 至 2005-08-31
  • 项目状态:
    已结题

项目摘要

This RUI project addresses photo-refractive macromolecular materials research with emphasis on the synthesis and characterization of new chromophores with appropriate non-linear optical response, and seeks to identify the relationship between phase stability and chromophore reorientation in low-Tg (glass transition temperature) photorefractive polymers. Photorefractive polymers blended with nonlinear optical dye molecules exhibit relatively large refractive index modulations due to spatial reorientation of the dye. An interdisciplinary team of Drew University students and faculty from the Chemistry and Physics departments will fabricate photorefractive polymers spanning a range of materials behavior by synthesizing dye molecules of relatively similar optical properties but considerably different interactions with the host polymer. The phase stability of each composite will be observed through measurements of the time dependent optical absorption coefficient. The refractive index modulation will be determined by diffraction efficiency measurements, and the relative orientational mobility of the dyes will be inferred through frequency dependent transmission ellipsometry. This data will be used to delineate boundaries of the phase-stability/orientational-mobility tradeoff, and to improve understanding of dye-polymer interactions and the design of blends suitable for applications.%%% An important feature of the program is the integration of research and education through the training of students in a fundamentally and technologically significant area. All of the materials fabrication and optical characterization will occur at Drew University in chemistry and laser laboratories. These laboratories have been developed in part through an NSF-ILI grant "Materials science and nonlinear optics in physics and chemistry laboratories" and represent an ongoing effort to integrate the fabrication and characterization of nonlinear optical materials with Drew undergraduate instructional labs. The experiments are tabletop in scale and expose students to the photonic and electronic technology valued by employers and graduate schools. Students will also have the opportunity to study the holographic image storage properties of the materials they fabricate through a collaboration between the principal investigator and Dr. G. Wood of the Army Research Lab. The research is intellectually accessible to undergraduates, giving them a sense of ownership in their work. This RUI award will support six summer research students over three years, and will provide equipment support for Honors and Independent Study projects during the academic year. Results will be disseminated in peer-reviewed research literature with student co-authors and presented at professional meetings. ***
该RUI项目致力于光折变高分子材料的研究,重点是具有适当非线性光学响应的新型发色团的合成和表征,并寻求确定低Tg(玻璃化转变温度)光折变聚合物中相稳定性和发色团重取向之间的关系。 与非线性光学染料分子共混的光折变聚合物由于染料的空间重取向而表现出相对大的折射率调制。 由德鲁大学化学和物理系的学生和教师组成的跨学科团队将通过合成具有相对相似光学特性但与主体聚合物相互作用显著不同的染料分子来制造跨越一系列材料行为的光折变聚合物。每种复合材料的相稳定性将通过测量随时间变化的光吸收系数来观察。折射率调制将通过衍射效率测量来确定,并且染料的相对取向迁移率将通过依赖于频率的透射椭圆偏振法来推断。这些数据将被用来描绘相稳定性/取向迁移率权衡的边界,并提高对染料-聚合物相互作用的理解和适用于应用的共混物的设计。该计划的一个重要特点是通过在一个基本和技术上重要的领域对学生进行培训来整合研究和教育。所有的材料制造和光学特性将发生在德鲁大学的化学和激光实验室。这些实验室已经开发的部分通过NSF-ILI授予“材料科学和非线性光学在物理和化学实验室”,并代表了一个正在进行的努力,将非线性光学材料的制造和表征与德鲁本科教学实验室。这些实验是桌面规模的,让学生接触到雇主和研究生院所重视的光子和电子技术。学生们也将有机会通过首席研究员和G博士的合作,研究他们制造的材料的全息图像存储特性。陆军研究实验室的伍德这项研究对本科生来说是智力上的,让他们在工作中有一种主人翁感。该RUI奖将在三年内支持六名暑期研究生,并将在学年期间为荣誉和独立研究项目提供设备支持。结果将在同行评议的研究文献与学生合著者传播,并在专业会议上提出。***

项目成果

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David McGee其他文献

Shallow carbonate geochemistry in the Bahamas since the last interglacial period
末次间冰期以来巴哈马浅层碳酸盐岩地球化学
  • DOI:
    10.1016/j.epsl.2023.118566
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    5.3
  • 作者:
    Stacey Edmonsond;Matthew D. Nadeau;Andrew C. Turner;Ziman Wu;Emily C. Geyman;A. Ahm;Blake Dyer;Sergey Oleynik;David McGee;Daniel Stolper;John A. Higgins;Adam Maloof
  • 通讯作者:
    Adam Maloof
Linking Glacial-Interglacial states to multiple equilibria 1 of climate 2
将冰期-间冰期状态与气候 2 的多重平衡 1 联系起来
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    David Ferreira;John Marshall;Takamitsu Ito;David McGee
  • 通讯作者:
    David McGee
Past abrupt changes, tipping points and cascading impacts in the Earth system
过去地球系统中的突然变化、临界点和连锁影响
  • DOI:
    10.1038/s41561-021-00790-5
  • 发表时间:
    2021-07-29
  • 期刊:
  • 影响因子:
    16.100
  • 作者:
    Victor Brovkin;Edward Brook;John W. Williams;Sebastian Bathiany;Timothy M. Lenton;Michael Barton;Robert M. DeConto;Jonathan F. Donges;Andrey Ganopolski;Jerry McManus;Summer Praetorius;Anne de Vernal;Ayako Abe-Ouchi;Hai Cheng;Martin Claussen;Michel Crucifix;Gilberto Gallopín;Virginia Iglesias;Darrell S. Kaufman;Thomas Kleinen;Fabrice Lambert;Sander van der Leeuw;Hannah Liddy;Marie-France Loutre;David McGee;Kira Rehfeld;Rachael Rhodes;Alistair W. R. Seddon;Martin H. Trauth;Lilian Vanderveken;Zicheng Yu
  • 通讯作者:
    Zicheng Yu
Recent Constraints on MIS 3 Sea Level Support Role of Continental Shelf Exposure as a Control on Indo‐Pacific Hydroclimate
大陆架暴露控制印度洋-太平洋水文气候的 MIS 3 海平面支持作用的最新限制
Investigating the use of <sup>232</sup>Th/<sup>230</sup>Th as a dust proxy using co-located seawater and sediment samples from the low-latitude North Atlantic
  • DOI:
    10.1016/j.gca.2017.07.033
  • 发表时间:
    2017-10-01
  • 期刊:
  • 影响因子:
  • 作者:
    George H. Rowland;Hong Chin Ng;Laura F. Robinson;Jerry F. McManus;Kais J. Mohamed;David McGee
  • 通讯作者:
    David McGee

David McGee的其他文献

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{{ truncateString('David McGee', 18)}}的其他基金

RUI: Spatial light modulator technology for the on-demand fabrication of optical microstructures in polarization-sensitive materials
RUI:用于在偏振敏感材料中按需制造光学微结构的空间光调制器技术
  • 批准号:
    2024118
  • 财政年份:
    2020
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant
MRI: Acquisition of a Spatial Light Modulator System for Research and Education in Optical Materials, Bioscience, and Human-Computer Interaction
MRI:获取空间光调制器系统,用于光学材料、生物科学和人机交互的研究和教育
  • 批准号:
    1919557
  • 财政年份:
    2019
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant
Collaborative Research: Mantle Dynamics, Lithospheric Structure, and Topographic Evolution of the Southeastern US Continental Margin
合作研究:地幔动力学、岩石圈结构和美国东南部大陆边缘的地形演化
  • 批准号:
    1251329
  • 财政年份:
    2013
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Continuing Grant
RUI: Orientational Relaxation of Chromophore Order in Nonlinear Optical Block Copolymers
RUI:非线性光学嵌段共聚物中发色团顺序的取向弛豫
  • 批准号:
    1138416
  • 财政年份:
    2011
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Continuing Grant
RUI: Orientational Relaxation of Chromophore Order in Nonlinear Optical Block Copolymers
RUI:非线性光学嵌段共聚物中发色团顺序的取向弛豫
  • 批准号:
    1005462
  • 财政年份:
    2010
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Continuing Grant
RUI: Photodegradation and Poling Alignment Stability of Branched azo Chromophores in Electro-Optic Polymer Blends
RUI:电光聚合物共混物中支化偶氮发色团的光降解和极化配向稳定性
  • 批准号:
    0504105
  • 财政年份:
    2005
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant
MRI: Acquisition of Instrumentation for Optical Propagation Loss Measurement in Novel Waveguide Materials
MRI:购买用于新型波导材料中光传播损耗测量的仪器
  • 批准号:
    0520707
  • 财政年份:
    2005
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant
Materials Science and Nonlinear Optics in Physics and Chemistry Laboratories
物理和化学实验室中的材料科学和非线性光学
  • 批准号:
    9996277
  • 财政年份:
    1999
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant
Materials Science and Nonlinear Optics in Physics and Chemistry Laboratories
物理和化学实验室中的材料科学和非线性光学
  • 批准号:
    9850824
  • 财政年份:
    1998
  • 资助金额:
    $ 13.39万
  • 项目类别:
    Standard Grant

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