Search Results - "Song, Qingbao"

Red to Near‐Infrared Mechanochromism from Metal‐free Polycrystals: Noncovalent Conformational Locks Facilitating Wide‐Range Redshift by Zhu, Chenfei, Luo, Qing, Shen, Yunxia, Lv, Chunyan, Zhao, Sanhu, Lv, Xiaojing, Cao, Feng, Wang, Kunyan, Song, Qingbao, Zhang, Cheng, Zhang, Yujian

“…Piezochromic organic materials that present a large difference in fluorescence wavelength in the near‐infrared region have important potential applications;…”
Get full text

Mechanochromic and thermochromic fluorescent properties of cyanostilbene derivatives by Zhang, Yujian, Zhuang, Guilin, Ouyang, Mi, Hu, Bin, Song, Qingbao, Sun, Jingwei, Zhang, Cheng, Gu, Cheng, Xu, Yuanxiang, Ma, Yuguang

“…Two isomers (TPA-CNa and TPA-CNb) consisting of twisted triphenylamine and cyanostilbene were synthetized by Knoevenagel condensation and C–N coupling…”
Get full text

Hiyama Cross-Coupling of Arenediazonium Salts under Mild Reaction Conditions by Cheng, Kai, Wang, Chen, Ding, Yiyuan, Song, Qingbao, Qi, Chenze, Zhang, Xian-Man

“…Palladium acetate [Pd­(OAc)2]-catalyzed Hiyama cross-coupling of arenediazonium salts with organosilanes was found to generate biaryl products in high yields…”
Get full text

Ratiometric Piezochromism of Electrospun Polymer Films: Intermolecular Interactions for Enhanced Sensitivity and Color Difference by Yang, Heyi, Sun, Zhanghua, Lv, Chunyan, Qile, Moge, Wang, Kai, Gao, Huiwen, Zou, Bo, Song, Qingbao, Zhang, Yujian

“…Many piezochromic luminescent (PCL) dyes are known for their fluorescent switching capacity in the powdered phase, but they are usually difficult to utilize…”
Get full text

Mechanical force induced reversible fluorescence switching of two 3-aryl-2-cyano acrylamide derivatives by Song, Qingbao, Chen, Kang, Sun, Jingwei, Wang, Yongsheng, Ouyang, Mi, Zhang, Cheng

“…Two structural-simple 3-aryl-2-cyano acrylamide derivatives (CDPA-E and CDPA-P) were synthesized and characterized by NMR, MS, IR, and single crystal. It was…”
Get full text

Calibration of optical tweezers based on acousto-optic deflector and field programmable gate array by 宋清宝 闻丞 张岩 王广福 叶安培

“…Accurate calibrations of stiffness and position are crucial to the quantitative measurement with optical tweezers. In this paper, we present a new calibration…”
Get full text

Hydrazone-linked luminescent covalent organic frameworks based on AIE-active unit for acid vapour sensing by Gong, Wei, Dong, Yujie, Liu, Chunyu, Shi, Hongliang, Yin, Maoxing, Li, Weijun, Song, Qingbao, Zhang, Cheng

“…Many two-dimensional (2D) covalent organic frameworks (COFs) exhibit weak fluorescence in the solid state or relatively strong fluorescence only in their…”
Get full text

MgCl2 catalyzed one-pot synthesis of 2-hydroxy-3-((5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)(phenyl)methyl)naphthalene-1,4-dione derivatives in EG by Fu, Zhijie, Qian, Kai, Li, Sijun, Shen, Tianhua, Song, Qingbao

“…[Display omitted] A green and convenient synthetic method has been described for the synthesis of…”
Get full text

Stretchable nanofibrous membranes for colorimetric/fluorometric HCl sensing: Highly sensitive charge-transfer excited state by Zhang, Yujian, Li, Shaoheng, Pan, Guoxiang, Yang, Heyi, Qile, Moge, Chen, Junrong, Song, Qingbao, Yan, Dongpeng

“…[Display omitted] •A D-A small molecule exhibits over 98% PL quenching and a clear color difference (ΔE over 20) upon exposure to HCl gas.•Stretchable…”
Get full text

A novel imidazole-based tri-nitrogen metal cations probe with better-selectivity in ionic radius and acting as a Zn2+ fluorescence turn-on sensor by Liu, Jin, Wang, Shizhao, Li, Weijun, Dong, Yujie, Wang, Jianli, Song, Qingbao, Zhang, Cheng

“…•A novel imidazole-pyridine-imidazole tri-nitrogen ligand molecule Py2IM was successfully with a great optical property.•Through the structural design of the…”
Get full text

Near-infrared piezochromism of AIE-active luminophore in hybridized local and charge-transfer excited state—the effect of shortened donor-acceptor distance by Li, Chengjian, Ye, Lijie, Sun, Jingwei, Zhang, Cheng, Song, Qingbao, Wang, Kai, Ouyang, Mi

“…A close-bonded D-A-D′ luminophore BOTPA was designed via direct coupling of secondary arylamine derivatives (D, D′) with benzothiadiazole cyanostilbene group…”
Get full text

Self-assembled flexible metallo-supramolecular film based on Fe(II) ion and triphenylamine-subsituted alkyl terpyridine towards electrochromic application by Kuai, Yu, Yang, Tao, Yuan, Feiya, Dong, Yujie, Song, Qingbao, Zhang, Cheng, Wong, Wai-Yeung

“…A new metallo-supramolecular film was prepared by a liquid–liquid interface self-assembly method based on the metal ion Fe(II) in water solution and a…”
Get full text

Multicolour Fluorescence Based on Excitation‐Dependent Electron Transfer Processes in o‐Carborane Dyads by Yang, Heyi, Liu, Haichao, Shen, Yunxia, Zhang, Shi‐tong, Zhang, Qing, Song, Qingbao, Lv, Chunyan, Zhang, Cheng, Yang, Bing, Ma, Yuguang, Zhang, Yujian

“…Organic materials with excitation wavelength‐dependent (Ex‐de) emission are highly attractive for anticounterfeiting, optoelectronics and bioassay…”
Get full text

Opposite ESIPT characteristic of two AIE-active isomers with different linkage sites by Dong, Yujie, Shen, Junjie, Li, Weijun, Zhao, Ruiyang, Pan, Yuyu, Song, Qingbao, Zhang, Cheng

“…In this work, we report two isomers composed of 1-phenyl-1H-phenanthro[9,10-d]imidazole (PI), hydroxyl and tetraphenylethylene (TPE), abbreviated as m-PITPE…”
Get full text

Direct observation of excited state conversion in solid state from a TICT-Type mechanochromic luminogen by Chen, Jianai, Tan, Sijie, Yu, Yue, Zhang, Shitong, Li, Weijun, Song, Qingbao, Dong, Yujie, Zhang, Cheng, Wong, Wai-Yeung

“…A coplanar donor-acceptor (D-A) structure in single crystal is directly observed for TICT-Type DPA-PYZ, which corresponds to a coplanar localized excited (LE)…”
Get full text

The role of distance between donor and acceptor in configuration stability of Z/E isomers based on cyanostilbene by Xu, Chendong, Dong, Yujie, Li, Weijun, Zhao, Ruiyang, Dai, Yuyu, Zhang, Cheng, Song, Qingbao

“…The shorter D-A distance is conductive to the configuration stability of Z/E isomers based on cyanostilbene. [Display omitted] •We synthesized two pairs of new…”
Get full text

Rapid and Efficient Synthesis of 3,3-Di(1H-indol-3-yl)indolin-2-ones and 2,2-Di(1H-indol-3-yl)-2H-acenaphthen-1-ones Catalyzed by p-TSA by Yu, Jiangxia, Shen, Tianhua, Lin, Yan, Zhou, Yongbing, Song, Qingbao

“…An efficient synthesis of 3,3-di(1H-indol-3-yl)indolin-2-ones and 2,2-di(1H-indol-3-yl)-2H-acenaphthen-1-ones via a reaction of various isatins or…”
Get full text

An efficient one-pot four-component synthesis of 5H-spiro[benzo[7,8]chromeno[2,3-c]pyrazole-7,3′-indoline]-2′,5,6(9H)-trione derivatives catalyzed by MgCl2 by Shen, Tianhua, Fu, Zhijie, Che, Fengfeng, Dang, Haibo, Lin, Yan, Song, Qingbao

“…[Display omitted] An efficient one-pot synthesis of 5H-spiro[benzo[7,8]chromeno[2,3-c]pyrazole-7,3′-indoline]-2′,5,6(9H)-trione derivatives via a…”
Get full text

Highly Twisted Isomers of Triphenylacrylonitrile Derivatives with High Emission Efficiency and Mechanochromic Behavior by Li, Sijun, Sun, Jingwei, Qile, Moge, Cao, Feng, Zhang, Yujian, Song, Qingbao

“…Two novel triphenylacrylonitrile derivatives (TPAN‐C2 and TPAN‐C3) with highly twisted conformations have been successfully prepared by Suzuki coupling…”
Get full text

MgCl sub(2) catalyzed one-pot synthesis of 2-hydroxy-3-((5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl) ( phenyl)methyl)naphthalene-1,4-dione derivatives in EG by Fu, Zhijie, Qian, Kai, Li, Sijun, Shen, Tianhua, Song, Qingbao

“…A green and convenient synthetic method has been described for the synthesis of 2-hydroxy-3-((5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl) (…”
Get full text