Evaluating refractive index and birefringence of nonlinear optical crystals: Classical methods and new developments

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Hongyuan Sha , Dongling Yang , Yanran Shang , Zujian Wang , Rongbing Su , Chao He , Xiaoming Yang , Xifa Long . Trithionic guanidine: A novel semi-organic short-wave ultraviolet nonlinear optical sulfate with dimeric heteroleptic tetrahedra. Chinese Chemical Letters, 2025, 36(4): 109730-. doi: 10.1016/j.cclet.2024.109730

Haibin Yang ,  Duowen Ma ,  Yang Li ,  Qinghe Zhao ,  Feng Pan ,  Shisheng Zheng ,  Zirui Lou . Mo doped Ru-based cluster to promote alkaline hydrogen evolution with ultra-low Ru loading. Chinese Journal of Structural Chemistry, 2023, 42(11): 100031-100031. doi: 10.1016/j.cjsc.2023.100031

Jing Wang ,  Zhongliao Wang ,  Jinfeng Zhang ,  Kai Dai . Single-layer crystalline triazine-based organic framework photocatalysts with different linking groups for H2O2 production. Chinese Journal of Structural Chemistry, 2023, 42(12): 100202-100202. doi: 10.1016/j.cjsc.2023.100202

Dan-Ying Xing , Xiao-Dan Zhao , Chuan-Shu He , Bo Lai . Kinetic study and DFT calculation on the tetracycline abatement by peracetic acid. Chinese Chemical Letters, 2024, 35(9): 109436-. doi: 10.1016/j.cclet.2023.109436

Yu Zhou , Lin-Tao Jiang , Xiao-Ming Jiang , Bin-Wen Liu , Guo-Cong Guo . Mixed-anion square-pyramid [SbS₃I₂] units causing strong second-harmonic generation intensity and large birefringence. Chinese Chemical Letters, 2025, 36(4): 109740-. doi: 10.1016/j.cclet.2024.109740

Jieyu Liu , Junze Zhang , Haigang Deng , Shuoao Wang , Xingxing Jiang , Li Wang , Changhong Wang . Understanding the activity origin of Pd-anchored single-atom alloy catalysts for NO-to-NH₃ conversion by DFT studies and machine learning. Chinese Chemical Letters, 2025, 36(12): 110656-. doi: 10.1016/j.cclet.2024.110656

Linshan Peng , Qihang Peng , Tianxiang Jin , Zhirong Liu , Yong Qian . Highly efficient capture of thorium ion by citric acid-modified chitosan gels from aqueous solution. Chinese Chemical Letters, 2024, 35(5): 108891-. doi: 10.1016/j.cclet.2023.108891

Ya-Nan Yang , Zi-Sheng Li , Sourav Mondal , Lei Qiao , Cui-Cui Wang , Wen-Juan Tian , Zhong-Ming Sun , John E. McGrady . Metal-metal bonds in Zintl clusters: Synthesis, structure and bonding in [Fe₂Sn₄Bi₈]^3– and [Cr₂Sb₁₂]^3–. Chinese Chemical Letters, 2024, 35(8): 109048-. doi: 10.1016/j.cclet.2023.109048

Guangchang Yang , Shenglong Yang , Jinlian Yu , Yishun Xie , Chunlei Tan , Feiyan Lai , Qianqian Jin , Hongqiang Wang , Xiaohui Zhang . Regulating local chemical environment in O3-type layered sodium oxides by dual-site Mg²⁺/B³⁺ substitution achieves durable and high-rate cathode. Chinese Chemical Letters, 2024, 35(9): 109722-. doi: 10.1016/j.cclet.2024.109722

Lian Sun , Honglei Wang , Ming Ma , Tingting Cao , Leilei Zhang , Xingui Zhou . Shape and composition evolution of Pt and Pt₃M nanocrystals under HCl chemical etching. Chinese Chemical Letters, 2024, 35(9): 109188-. doi: 10.1016/j.cclet.2023.109188

Ruonan Yang , Jiajia Li , Dongmei Zhang , Xiuqi Zhang , Xia Li , Han Yu , Zhanhu Guo , Chuanxin Hou , Gang Lian , Feng Dang . Grain-refining Co_0.85Se@CNT cathode catalyst with promoted Li₂O₂ growth kinetics for lithium-oxygen batteries. Chinese Chemical Letters, 2024, 35(12): 109595-. doi: 10.1016/j.cclet.2024.109595

Xiangyu Chen , Aihao Xu , Dong Wei , Fang Huang , Junjie Ma , Huibing He , Jing Xu . Atomic cerium-doped CuO_x catalysts for efficient electrocatalytic CO₂ reduction to CH₄. Chinese Chemical Letters, 2025, 36(1): 110175-. doi: 10.1016/j.cclet.2024.110175

Yanan Zhou , Li Sheng , Lanlan Chen , Wenhua Zhang , Jinlong Yang . Axial coordinated iron-nitrogen-carbon as efficient electrocatalysts for hydrogen evolution and oxygen redox reactions. Chinese Chemical Letters, 2025, 36(1): 109588-. doi: 10.1016/j.cclet.2024.109588

Yan Guo , Hongtao Bian , Le Yu , Jiani Ma , Yu Fang . Photochemical reaction mechanism of benzophenone protected guanosine at N7 position. Chinese Chemical Letters, 2025, 36(3): 109971-. doi: 10.1016/j.cclet.2024.109971

He Yao , Wenhao Ji , Yi Feng , Chunbo Qian , Chengguang Yue , Yue Wang , Shouying Huang , Mei-Yan Wang , Xinbin Ma . Copper-catalyzed and biphosphine ligand controlled 3,4-boracarboxylation of 1,3-dienes with carbon dioxide. Chinese Chemical Letters, 2025, 36(4): 110076-. doi: 10.1016/j.cclet.2024.110076

Quan Xu , Ye-Qing Du , Pan-Pan Chen , Yili Sun , Ze-Nan Yang , Hui Zhang , Bencan Tang , Hong Wang , Jia Li , Yue-Wei Guo , Xu-Wen Li . Computation assisted chemical study of photo-induced late-stage skeleton transformation of marine natural products towards new scaffolds with biological functions. Chinese Chemical Letters, 2025, 36(5): 110141-. doi: 10.1016/j.cclet.2024.110141

Xiaojuan Lv , Yuting Dong , Hongliang Huang , Dariusz W. Szczepanik , Naoki Aratani , Takahisa Ikeue , Feng Chen , Tao Zhang , Fengxian Qiu , Toshiharu Teranishi , Songlin Xue . Local aromatic ring cleaves the global aromatic ring in hexaphyrin(2.1.2.1.2.1). Chinese Chemical Letters, 2025, 36(7): 110435-. doi: 10.1016/j.cclet.2024.110435

Jiajing Wu ,  Ru-Ling Tang ,  Sheng-Ping Guo . Three types of promising functional building units for designing metal halide nonlinear optical crystals. Chinese Journal of Structural Chemistry, 2024, 43(6): 100291-100291. doi: 10.1016/j.cjsc.2024.100291

Weiping Guo , Ying Zhu , Hong-Hua Cui , Lingyun Li , Yan Yu , Zhong-Zhen Luo , Zhigang Zou . β-Pb₃P₂S₈: A new optical crystal with exceptional birefringence effect. Chinese Chemical Letters, 2025, 36(2): 110256-. doi: 10.1016/j.cclet.2024.110256