围绕光量子功能材料方向非线性光学（NLO）晶体和双折射晶体等我国优势研究领域，聚焦量子通信、光刻、激光显示、光学频率梳等光量子信息领域对先进材料的前沿需求，取得了系列引领性创新研究成果：
a) "无铍"新思路：在国际上率先提出了"无铍"深紫外NLO晶体材料的创新思路，设计合成了系列新型无铍深紫外NLO晶体，其层间连接力相比现有实用晶体KBBF提高一个数量级以上，克服了KBBF晶体层状习性严重的难题。
b) "非π共轭"新概念：首次提出"非π共轭深紫外NLO材料"的概念，发展了其"局域极性诱导组装"策略，成功创制了多种性能优良的非π共轭深紫外NLO材料，开拓了氟磷硅酸盐等深紫外NLO材料新体系，并生长了英寸级单晶，为其实际应用奠定了基础。
c）光量子新应用：发现了多种超大双折射率晶体材料，并揭示了其性能增益的新机制，部分材料兼具优异的NLO性能，在量子通信、光子调制器、偏振光子器件、结构光场学等领域具有重大应用前景。
代表性论文：
1) Zheng, Jieyu; Song, Xianyu; Wu, Yiran; Lian, Yulong; Li, Yanqiang; Xu, Qianting; zhou, Yang; Wang, Ziyi; Wang, Lei; Luo, Junhua; Zhao, Sangen*, A Highly Optical Anisotropic Hybrid Perovskite for Efficient Manipulation of Light Polarization. Advanced Functional Materials 2024, 2403843. (Link)
2) Du, Zhipeng; Song, Xianyu; Liu, Wei; Wang, Ziyi; Sha, Hongyuan; Xu, Qianting; Zhou, Yang; Li, Yanqiang; Luo, Junhua; Zhao, Sangen*, Combining rigid and deformable groups to construct a robust birefringent crystal for compact polarization components. Science Bulletin 2024. (Link)
3) Sun, Tian; Chen, Runkun; Ma, Weiliang; Wang, Han; Yan, Qizhi; Luo, Junhua; Zhao, Sangen*; Zhang, Xinliang; Li, Peining, Van der Waals quaternary oxides for tunable low-loss anisotropic polaritonics. Nature Nanotechnology 2024. (Link)
4) Yipeng Song, Hongwei Yu, Bingxuan Li*, Xiaoqi Li, Yang, Zhou, Yanqiang Li, Chao He, Ge Zhang, Junhua Luo, Zhao, Sangen*, A Ferroelectric Nonlinear Optical Crystal for Deep-UV Quasi-Phase-Matching. Adv. Funct. Mater., 2310407, 2023. (Link)
5) Ziyi Wang, Xu Chen, Yipeng Song, Zhipeng Du, Yang Zhou, Minjuan Li, Weiqi Huang, Qianting Xu, Yanqiang Li, Sangen Zhao,*Junhua Luo, *A Two-Dimensional Hybrid Perovskite With Heat Switching Birefringence, Angew. Chem. Int. Ed., e202311086, 2023. (Link)
6) Yanqiang Li, Dr. Xu Zhang, Jieyu Zheng, Yang Zhou, Weiqi Huang, Yipeng Song, Han Wang, Xianyu Song, Prof. Junhua Luo, Prof. Sangen Zhao,* A Hydrogen Bonded Supramolecular Framework Birefringent Crystal, Angew. Chem. Int. Ed.,62, e202304498, 2023. (Link)
7) Yanqiang Li, Weiqi Huang, Yang Zhou, Xianyu Song, Jieyu Zheng, Han Wang, Yipeng Song, Minjuan Li, Junhua Luo, Sangen Zhao,* A High-Performance Nonlinear Optical Crystal with a Building Block Containing Expanded π-Delocalization, Angew. Chem. Int. Ed., 61, e202215145, 2022. (Link)
8) Yanqiang Li, Xu Zhang, Yang Zhou, Weiqi Huang, Yipeng Song, Han Wang, Minjuan Li, Maochun Hong, Junhua Luo, Sangen Zhao,* An Optically Anisotropic Crystal with Large Birefringence Arising from Cooperative π Orbitals, Angew. Chem. Int. Ed., 61, e202208811, 2022. (Link)
9) Minjuan Li, Xu Zhang, Zheyao Xiong, Yanqiang Li, Yang Zhou, Xin Chen, Yipeng Song, Maochun Hong, Junhua Luo, Sangen Zhao,* A Hybrid Antiperovskite with Strong Linear and Second-Order Nonlinear Optical Responses, Angew. Chem. Int. Ed. 61, e202211151, 2022. (Link)
10) Weiqi Huang, Xu Zhang, Yanqiang Li, Yang Zhou, Xin Chen, Xiaoqi Li, Fafa Wu, Maochun Hong, Junhua Luo, Sangen Zhao,* A Hybrid Halide Perovskite Birefringent Crystal, Angew. Chem. Int. Ed. 61, e202202746, 2022. (Link)
11) Yang Zhou, Xu Zhang, Maochun Hong, Junhua Luo, Sangen Zhao,* Achieving effective balance between bandgap and birefringence by confining π-conjugation in an optically anisotropic crystal, Sci. Bull., 67, 2276-2279, 2022. (Link)
12) Yanqiang Li, Junhua Luo,* Sangen Zhao,* Local Polarity-Induced Assembly of Second-Order Nonlinear Optical Materials, Acc. Chem. Res., DOI: 10.1021/acs.accounts.2c00542, 2022. (Link)
13) Yanqiang Li, Zhengyang Zhou, Sangen Zhao,* Fei Liang, Qingran Ding, Junliang Sun,* Zheshuai Lin, Maochun Hong, Junhua Luo,* A Deep-UV Nonlinear Optical Borosulfate with Incommensurate Modulations, Angew. Chem. Int. Ed. 60, 11457, 2021. (Link)
14) Youchao Liu, Youquan Liu, Zheshuai Lin, Yanqiang Li, Qingran Ding, Xin Chen, Lina Li, Sangen Zhao,* Maochun Hong and Junhua Luo, Nonpolar Na10Cd(NO3)4(SO3S)4 Exhibits a Large Second-Harmonic Generation, CCS Chem., 3, 694, 2021. (Link)
15) Youchao Liu, Xiaomeng Liu, Shuai Liu, Qingran Ding, Yanqiang Li, Lina Li, Sangen Zhao,* Zheshuai Lin, Junhua Luo, Maochun Hong, An Unprecedented Antimony(III) Borate with Strong Linear and Nonlinear Optical Responses, Angew. Chem. Int. Ed., 59, 7793, 2020. (Link)
16) Shuai Liu,# Xiaomeng Liu,# Sangen Zhao,* Youchao Liu, Lina Li, Qingran Ding, Yanqiang Li, Zheshuai Lin,* Junhua Luo, Maochun Hong, An exceptional peroxide birefringent material resulting from d-π interactions, Angew. Chem. Int. Ed., 59, 9414, 2020. (Link)
17) Qingran Ding, Xiaomeng Liu, Sangen Zhao,* Yusong Wang, Yanqiang Li, Lina Li, Shuai Liu, Zheshuai Lin, Maochun Hong, Junhua Luo,* Designing a Deep-UV Nonlinear Optical Fluorooxosilicophosphate, J. Am. Chem. Soc., 142, 6472, 2020. (Link)
18) Yanqiang Li, Congling Yin, Xiaoyan Yang, Xiaojun Kuang,* Jie Chen, Lunhua He, Qingran Ding, Sangen Zhao,* Maochun Hong and Junhua Luo,* A Nonlinear Optical SwitchableSulfate of Ultrawide Bandgap, CCS Chem., 2, 2298, 2020. (Link)
19) Yanqiang Li, Fei Liang, Sangen Zhao,* Lina Li, Zhenyue Wu, Qingran Ding, Shuai Liu, Zheshuai Lin,* Maochun Hong, and Junhua Luo,* Two Non-π-Conjugated Deep-UV Nonlinear Optical Sulfates, J. Am. Chem. Soc., 141, 3833−3837, 2019. (Link)
20) Zhao, Sangen; Yang, Xiaoyan; Yang, Yi; Kuang, Xiaojun;* Lu, Fengqi; Shan, Pai; Sun, Zhihua, Lin, Zheshuai;* Hong, Maochun; Luo, Junhua,* Non-Centrosymmetric RbNaMgP2O7 with Unprecedented Thermo-Induced Enhancement of Second Harmonic Generation, J. Am. Chem. Soc., 140, 1592, 2018. (Link)
21) Sangen Zhao, Yi Yang, Yaoguo Shen, Bingqing Zhao, Lina Li, Chengmin Ji, Zhenyue Wu, Daqiang Yuan, Zheshuai Lin,* Maochun Hong, and Junhua Luo,* Cooperation of Three Chromophores Generates the Water-Resistant Nitrate Nonlinear Optical Material Bi3TeO6OH(NO3)2, Angew. Chem. Int. Ed. 56, 540–544, 2017. (Link)
22) Sangen Zhao, Lei Kang, Yaoguo Shen, Xiaodong Wang, Muhammad Adnan Asghar, Zheshuai Lin,* Yingying Xu, Siyuan Zeng, Maochun Hong, and Junhua Luo,* Designing a Beryllium-Free Deep-Ultraviolet Nonlinear Optical Material without a Structural Instability Problem, J. Am. Chem. Soc. 138, 2961-2964, 2016. (Link)
23) Sangen Zhao, Pifu Gong, Siyang Luo, Sijie Liu, Lina, Li, Muhammad Adnan Asghar, Tariq Khan, Maochun Hong, Zheshuai Lin, and Junhua Luo,* Beryllium-Free Rb3Al3B3O10F with Reinforced Interlayer Bonding as a Deep-Ultraviolet Nonlinear Optical Crystal, J. Am. Chem. Soc. , 137, 2207-2210, 2015. (Link)
24) Sangen Zhao, Pifu Gong, Siyang Luo, Lei Bai, Zheshuai Lin,* Yuanyuan Tang, Yuelan Zhou, Maochun Hong, and Junhua Luo,* Tailored Synthesis of a Nonlinear Optical Phosphate with a Short Absorption Edge, Angew. Chem. Int. Ed., 54, 4217-4221, 2015. (Link)
25) Sangen Zhao, Pifu Gong, Xiang Xu, Shuquan Zhang, Zhihua Sun, Zheshuai Lin,* Maochun Hong, Chuangtian Chen, Junhua Luo,* Beryllium-free Li4Sr(BO3)2 for deep-ultraviolet nonlinear optical applications, Nat. Commun., 5, 4019, 2014. (Link)
26) Sangen Zhao, Pifu Gong, Siyang Luo, Lei Bai, Zheshuai Lin,* Chenming Ji, Tianliang Chen, Maochun Hong, and Junhua Luo,* Deep-Ultraviolet Transparent Phosphates RbBa2(PO3)5 and Rb2Ba3(P2O7)2 Show Nonlinear Optical Activity from Condensation of [PO4]3- Units, J. Am. Chem. Soc., 136, 8560-8563, 2014. (Link)
