自1999年以来，李嫕研究员及其所领导的研究小组以分子和超分子体系的光物理和光化学为主要研究方向，设计合成并构建了多种分子和超分子体系，将这些体系应用于模拟光合作用、光催化制氢和CO₂还原、光化学传感器等，同时结合各种超快光谱学方法，对各体系中涉及的光物理和光化学过程进行系统研究。在应用研究方面-，将光化学反应应用于药物、药物中间体等精细化学品的合成过程，研究开发光化学合成新方法和新技术。

实验室设备：

    实验室拥有有机合成、光化学反应和光物理测试等实验设备和条件，包括高分辨LC-TOF、分析型和制备型HPLC、气相色谱、紫外可见吸收光谱仪、荧光光谱仪、动态光散射粒度分析仪、荧光倒置显微镜、条纹相机等，建立了飞秒超快光谱检测设备，以及激光微粒子捕获及原位稳态动态发光光谱检测系统。 

1.Y. Li* et al., ‘Unsurpassed cage effect for the photolysis of dibenzyl ketones in water-soluble dendrimers’. Org. Biomol. Chem. 9 (18), 6256-6264, (2011).

2.Y. Li* et al., ‘A Triarylboron-Based Fluorescent Thermometer: Sensitive Over a Wide Temperature Range’. Angew. Chem., Int. Ed. 50 (35), 8072-8076, (2011).

3.Y. Li* et al., ‘Multiple fluorescence Delta CIE and Delta RGB codes for sensing volatile organic compounds with a wide range of responses’. Chem. Commun. 47 (36), 10052-10054, 2011.

4.Y. Li* et al., ‘Understanding the Aggregation Induced Emission Enhancement for a Compound with Excited State Intramolecular Proton Transfer Character’, Phys. Chem. Chem. Phys., 2011, 13, 2044–2051.

5.Y. Li* et al, ‘A Rapid Aqueous Fluoride Ion Sensor with Dual Output Modes’, Angew. Chem. Int. Ed., 2010, 49, 4915-4918.

6.Y. Li* et al,, ‘Dendrimers: A Mimic Natural Light-harvesting System’, Chem. Asian J., 2010, 5, 992-1005 (invited focus review).

7.Y. Li* et al, ‘Photosensitized Oxidation of Alkenes with Dendrimers as Microreactors: Controllable Selectivity between Energy and Electron Transfer Pathway’, New J. Chem., 34, 718-722(2010).

8.Y. Li* et al, ‘Remote Sensitized Photoisomerization via Through-Bond Triplet-Triplet Energy Transfer Mediated by an Amidinium-Carboxylate Salt Bridge in a Benzophenone-Norbornadiene Dyad’, ChemPhysChem, 11(1), 229-235(2010).

9.Y. Li* et al., ‘Enhancement of Energy Utilization in Light-harvesting Dendrimers by the Pseudorotaxane Formation at Periphery’, J. Am. Chem. Soc., 131(25), 9100-9106(2009).

10.Y. Li* et al., ‘Intramolecular Exciplex Formation Induced by the Folding-Back Conformation of Poly(aryl ether) Dendrimers’, J. Phys. Chem. C, 113(27), 11554-11559(2009).

11.Y. Li* et al., Photophysics and triplet−triplet annihilation analysis for axially substituted gallium phthalocyanine doped in solid matrix. J. Phys. Chem. C, 113(27), 11943–11951 (2009).

12.Y. Li* et al., ‘Pressure induced emission enhancement of a series of dicyanovinyl-substituted aromatics: pressure tuning on the molecular population with different conformations’, ChemPhysChem, 9, 1146-1152(2008).

13.Y. Li* et al., ‘Photophysical Properties of Cyclometalated Pt (II) Complexes Attached with Pyrene by C-C Single Bond’, J. Photochem. Photobio. A: Chem, 194, 230-237(2008)

14.Y. Li* et al., ‘Study on the Extent of Folding Back Conformation in Poly(aryl ether) Dendrimers by Intramolecular Electron Transfer and Exciplex Formation’, Macromolecules, 40(26), 9384-9390(2007).

15.Y. Li* et al., ‘Valence Isomerization in Dendrimers by Photoinduced Electron Transfer and Energy Transfer from the Dendrimer Backbone to the Core’, J. Photochem. Photobio. A, Chem., 185, 67(2007).

16.Y. Li* et al., ‘Aggregation induced emission enhancement of 2-(2’-hydroxyphenyl)benzothiazole-based excited state intramolecular proton transfer compounds’, J. Phys. Chem. B, 111, 5861-5868(2007).

17.Y. Li* et al., ‘Understanding the Pressure Induced Emission Enhancement for Triple Fluorescent Compound with Excited State Intramolecular Proton Transfer’, J. Phys. Chem. A, 111, 11793-11800(2007).

18.Y. Li* et al., ‘Conversion of Intramolecular Singlet Electron Transfer at Room Temperature into Triplet Energy Transfer at 77 K: Photoisomerization in Norbornadiene and Carbazole Labeled Poly(aryl ether) Dendrimers’, J. Phys. Chem., B, 110(10), 4663-4670(2006).

19.Y. Li* et al., ‘Direct Observation of the Intramolecular Triplet-triplet Energy Transfer in Poly(aryl ether) Dendrimers’, J. Phys. Chem., B, 110(9), 4047-4053 (2006).

20.Y. Li* et al., ‘Photophysical and Photochemical Studies on bis(Dendron) Poly(aryl ether) Dendrimers:  Intramolecular Triplet Energy Transfer in Poly(aryl ether) Dendrimers via a Folded Conformation’, J. Photochem. Photobio. A: Chem., 181,429-436(2006).

21.Y. Li* et al., ‘Light-harvesting and Photoisomerization in Benzophenone and Norbornadiene Labeled Poly (aryl ether) Dendrimers via Intramolecular Triplet Energy Transfer’, J. Am. Chem. Soc., 127(7), 2165-2171(2005).

目前在研的项目有：

1．深紫外固态激光源前沿装备研制项目“深紫外激光光化学反应仪与在线检测系统研制”（项目负责人，2007-2011年）；

2．国家自然科学基金委重点项目“高压条件下超分子体系的电子转移和能量传递”（子课题负责人，2008-2011年）；

3．973计划子课题“基于同步辐射静态表征技术的若干纳米材料结构和性质关系的研究”（分课题负责人，2010-2014年）；

4．02科技重大专项“极紫外光刻胶材料和实验室检查技术研究”（子课题负责人，2011-2013年）

5．国家自然科学基金委面上项目“树枝形聚合物修饰模拟[Fe-Fe]氢化酶体系电子转移过程研究”（项目负责人，2012-2015年）

6．国家自然科学基金委面上项目“非共价包结作用参与的树枝形聚合物体系的构筑及体系中能量传递研究”（项目负责人，2011-2013年）