| 晶态纳米纤维素的多色圆偏振荧光性能 |
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| 引用本文： | 赵子一,郑洪芝,徐雁. 晶态纳米纤维素的多色圆偏振荧光性能[J]. 高等学校化学学报, 2020, 41(5): 1120-1126. DOI: 10.7503/cjcu20190635 |
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| 作者姓名： | 赵子一 郑洪芝 徐雁 |
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| 作者单位： | 吉林大学无机合成与制备化学国家重点实验室, 长春 130012 |
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| 基金项目： | 国家自然科学基金(21671079);国家自然科学基金(21975095);高等学校学科创新引智计划项目(B17020) |
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| 摘 要： | 基于晶态纳米纤维素禁带效应的圆偏振荧光能力,分别采用混合悬浮液法及多层膜叠加法拓宽了晶态纳米纤维素膜的禁带,使其禁带覆盖可见光范围,通过掺杂多色荧光体,该膜可以将自发辐射转换为高强度、右旋、多色的圆偏振荧光信号.
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| 关 键 词： | 晶态纳米纤维素 手性向列有序性 光子禁带 圆偏振荧光 多色 |
| 收稿时间： | 2019-12-09 |
Multi-color Circularly Polarized Luminescence Properties of Cellulose Nanocrystal |
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| ZHAO Ziyi,ZHENG Hongzhi,XU Yan. Multi-color Circularly Polarized Luminescence Properties of Cellulose Nanocrystal [J]. Chemical Research In Chinese Universities, 2020, 41(5): 1120-1126. DOI: 10.7503/cjcu20190635 |
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| Authors: | ZHAO Ziyi ZHENG Hongzhi XU Yan |
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| Affiliation: | State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China |
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| Abstract: | Multi-color circularly polarized luminescence with high luminescence dissymmetry(glum) factors is key in photonic technologies. Leveraging on the intrinsic circular polarization ability of cellulose nanocrystals(CNC), we demonstrate that mixing of CNC suspensions, which are supersonically treated for a different period of time, provides an effective approach to produce freestanding CNC films with a broad photonic bandgap that can effectively transform spontaneous emissions to multicolor right-handed CPL signals with high glum. We also show that lamination of multiple CNC-CdSe/ZnS films affords an easy approach to broaden photonic bangdap and ability to produce multicolor circularly polarized luminescence with high glum. |
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| Keywords: | Cellulose nanocrystal Chiral nematic order Photonic bandgap Circularly polarized luminescence Multi-color |
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