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| 1 | Near-infrared emissive carbon dots with 33.96% emission in aqueous solution for cellular sensing and light-emitting diodes显示文摘Near-infrared emissive carbon dots(CDs) were synthesized by hydrothermal method. The as-prepared CDs exhibited a relatively high quantum yield(QY) of 33.96% in an aqueous solution, and the peak toward the near-infrared fluorescence reached 685 nm. The CDs exhibited pH-sensitive characteristics under strong acidic conditions. Even at pH = 0, the as-prepared CDs retained a high fluorescence intensity,which proved that they possessed good acid resistance. More importantly, the CDs were sensitive to the Fe3+changes in living cells. In addition, they could also be used for white and red emissive LEDs.This discovery will expand the use of aqueous-phase high QY CDs in the field of living cell sensing and imaging. | Boyang Wang Jian Li Zhiyong Tang Bai Yang Siyu Lu | 2019 | Science Bulletin2019，64，17： | 9 |
| 2 | 碳量子点荧光材料的制备及其对金属离子检测的应用研究进展显示文摘碳量子点因其具有易于制备、性能稳定、荧光量子转化效率高、成本低廉和环境友好等优点而备受关注。综述了近些年来,碳量子点荧光材料的制备方法及其在金属离子检测领域的应用,并为绿色高效碳量子点的制备与绿色应用的关键技术提供新的理念和思路。 | 肖秀婵 秦淼 李强林 任亚琦 周筝 | 2019 | 功能材料2019，50，9： | 6 |
| 3 | Optically tunable fluorescent carbon nanoparticles and their application in fluorometric sensing of copper ions显示文摘A series of carb on nano particles(CNPs)with emissi on wavele ngth ranging from 483 to 525 nm were prepared by hydrothermal treatme nt of poly-3-thiopheneacetic acid(PTA)and NaOH.The emission wavelength and surface oxidation degree of CNPs were shown to be controllable by simply adjusti ng NaOH concentration.These CNPs prese nted obvious fluoresce nee spectral response toward copper ions(Cu^2+)through static quenching caused synergistically by electron transfer and inner filter effect.The O-and S-containing groups on the surface of CNPs were dem on strated to be resp on sible for their outsta nding sensing performa nee.Based on that,a CN Ps-based ratiometric fluoresce nt probe for Cu^2+with a high fluoresce nee quenching rate constant of 1.4×10^5 L/mol and a short resp onse time(10 s)was developed.Their practical applications in detecting Cu^2+in pond water and living cells were also dem on strated. | Minhuan Lan Shaojing Zhao Shuilin Wu Xiaofang Wei Yanzhao Fu Juanjuan Wu Pengfei Wang Wenjun Zhang | 2019 | Nano Research2019，12，10： | 2 |
| 4 | 光响应偶氮苯取代的聚二乙炔囊泡制备及性质研究显示文摘基于具有光学活性的偶氮苯小分子出发,将其化学修饰制备出端基为环氧基团的偶氮苯分子,利用环氧基团与二乙炔分子中氨基集团之间的开环作用,设计合成了具有光学活性的偶氮苯功能化的双炔单体,并将通过自组装方法成囊泡结构,利用254 nm紫外灯进行聚合,通过荧光、紫外等方法表征聚合过程并研究其光学性质。利用聚二乙炔囊泡的刺激响应行为,实现了该囊泡聚合前后、聚合后加酸、碱、四氢呋喃的颜色变化以及紫外可见吸收光谱和荧光发射光谱会变化。该体系不仅实现了偶氮苯聚合物的多重刺激响应材料的制备,也为其他光响应材料的研究提供理论基础和技术支持。 | 赵佳音 聂子为 盖朝亮 张九如 杨光 | 2019 | 广东化工2019，46，8： | 0 |
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