Search Results - "Junrong Zheng"

Wide‐Range Color‐Tunable Organic Phosphorescence Materials for Printable and Writable Security Inks by Lei, Yunxiang, Dai, Wenbo, Guan, Jianxin, Guo, Shuai, Ren, Fei, Zhou, Yudai, Shi, Jianbing, Tong, Bin, Cai, Zhengxu, Zheng, Junrong, Dong, Yuping

“…Organic materials with long‐lived, color‐tunable phosphorescence are potentially useful for optical recording, anti‐counterfeiting, and bioimaging. Herein, we…”
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What Leads to Aggregation-Induced Emission? by Guan, Jianxin, Shen, Chengzhen, Peng, Jie, Zheng, Junrong

“…Aggregation-induced emission (AIE), usually referring to the phenomenon in which molecules emit more strongly in the aggregate state than in the solution…”
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Ultrafast formation of interlayer hot excitons in atomically thin MoS2/WS2 heterostructures by Chen, Hailong, Wen, Xiewen, Zhang, Jing, Wu, Tianmin, Gong, Yongji, Zhang, Xiang, Yuan, Jiangtan, Yi, Chongyue, Lou, Jun, Ajayan, Pulickel M., Zhuang, Wei, Zhang, Guangyu, Zheng, Junrong

“…Van der Waals heterostructures composed of two-dimensional transition-metal dichalcogenides layers have recently emerged as a new family of materials, with…”
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Direct Observation of Aggregation‐Induced Emission Mechanism by Guan, Jianxin, Wei, Rong, Prlj, Antonio, Peng, Jie, Lin, Kun‐Han, Liu, Jitian, Han, Han, Corminboeuf, Clémence, Zhao, Dahui, Yu, Zhihao, Zheng, Junrong

“…The mechanism of aggregation‐induced emission, which overcomes the common aggregation‐caused quenching problem in organic optoelectronics, is revealed by…”
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Water-Mediated Ion Pairing: Occurrence and Relevance by van der Vegt, Nico F. A, Haldrup, Kristoffer, Roke, Sylvie, Zheng, Junrong, Lund, Mikael, Bakker, Huib J

“…We present an overview of the studies of ion pairing in aqueous media of the past decade. In these studies, interactions between ions, and between ions and…”
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Double crossing conical intersections and anti-Vavilov fluorescence in tetraphenyl ethylene by Hou, Zhuowei, Guan, Jianxin, Peng, Jie, Li, Xinmao, Yu, Zhihao, Zheng, Junrong

“…Conical intersections (CIs) provide effective fast nonradiative decay pathways for electronic excitation, which can significantly influence molecular…”
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Synthesis of Lactams via Ir-Catalyzed C–H Amidation Involving Ir-Nitrene Intermediates by Liu, Jitian, Ye, Wenjing, Wang, Shuojin, Zheng, Junrong, Tang, Weiping, Li, Xiaoxun

“…x-membered lactams were synthesized via either an amidation of sp3 C–H bonds or an electrophilic substitution of arenes via Ir-nitrene intermediates. With the…”
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A Detailed Investigation in the Enhancement Factor of Surface-Enhanced Raman Scattering in Simulation by Zheng, Junrong, Yang, Zehua, Guo, Yangzhe, Fang, Yurui

“…The enhancement factor of surface-enhanced Raman scattering (SERS) is usually approximated by the fourth power of local electric field-enhanced strength…”
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Ion clustering in aqueous solutions probed with vibrational energy transfer by Bian, Hongtao, Wen, Xiewen, Li, Jiebo, Chen, Hailong, Han, Suzee, Sun, Xiuquan, Song, Jian, Zhuang, Wei, Zheng, Junrong

“…Despite prolonged scientific efforts to unravel the hydration structures of ions in water, many open questions remain, in particular concerning the existences…”
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The Anion Effect on Li+ Ion Coordination Structure in Ethylene Carbonate Solutions by Jiang, Bo, Ponnuchamy, Veerapandian, Shen, Yuneng, Yang, Xueming, Yuan, Kaijun, Vetere, Valentina, Mossa, Stefano, Skarmoutsos, Ioannis, Zhang, Yufan, Zheng, Junrong

“…Rechargeable lithium ion batteries are an attractive alternative power source for a wide variety of applications. To optimize their performances, a complete…”
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Nonresonant and Resonant Mode-Specific Intermolecular Vibrational Energy Transfers in Electrolyte Aqueous Solutions by Bian, Hongtao, Chen, Hailong, Li, Jiebo, Wen, Xiewen, Zheng, Junrong

“…The donor/acceptor energy mismatch and vibrational coupling strength dependences of interionic vibrational energy transfer kinetics in electrolyte aqueous…”
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Cation Effects on Rotational Dynamics of Anions and Water Molecules in Alkali (Li+, Na+, K+, Cs+) Thiocyanate (SCN–) Aqueous Solutions by Bian, Hongtao, Chen, Hailong, Zhang, Qiang, Li, Jiebo, Wen, Xiewen, Zhuang, Wei, Zheng, Junrong

“…Waiting time dependent rotational anisotropies of SCN– anions and water molecules in alkali thiocyanate (XSCN, X = Li, Na, K, Cs) aqueous solutions at various…”
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Ultrafast probes of electron–hole transitions between two atomic layers by Wen, Xiewen, Chen, Hailong, Wu, Tianmin, Yu, Zhihao, Yang, Qirong, Deng, Jingwen, Liu, Zhengtang, Guo, Xin, Guan, Jianxin, Zhang, Xiang, Gong, Yongji, Yuan, Jiangtan, Zhang, Zhuhua, Yi, Chongyue, Guo, Xuefeng, Ajayan, Pulickel M., Zhuang, Wei, Liu, Zhirong, Lou, Jun, Zheng, Junrong

“…Phase transitions of electron–hole pairs on semiconductor/conductor interfaces determine fundamental properties of optoelectronics. To investigate interfacial…”
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Ultrafast Dynamics of Solute-Solvent Complexation Observed at Thermal Equilibrium in Real Time by Zheng, Junrong, Kwak, Kyungwon, Asbury, John, Chen, Xin, Piletic, Ivan R, Fayer, M. D

“…In general, the formation and dissociation of solute-solvent complexes have been too rapid to measure without disturbing the thermal equilibrium. We were able…”
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Ultrafast Carbon-Carbon Single-Bond Rotational Isomerization in Room-Temperature Solution by Zheng, Junrong, Kwak, Kyungwon, Xie, Jia, Fayer, M.D

“…Generally, rotational isomerization about the carbon-carbon single bond in simple ethane derivatives in room-temperature solution under thermal equilibrium…”
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Ultrafast Two-Dimensional Infrared Vibrational Echo Chemical Exchange Experiments and Theory by Kwak, Kyungwon, Zheng, Junrong, Cang, Hu, Fayer, M. D

“…Ultrafast two-dimensional (2D) infrared vibrational echo experiments and theory are used to examine chemical exchange between solute−solvent complexes and the…”
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Phase separation and mechanical responses of polyurethane nanocomposites by Zheng, Junrong, Ozisik, Rahmi, Siegel, Richard W.

“…Nanocomposites of a diamine-cured polyurethane with nanofillers of different kinds, sizes, and surfaces were studied. Atomic force microscopy, scanning…”
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Disruption of self-assembly and altered mechanical behavior in polyurethane/zinc oxide nanocomposites by Zheng, Junrong, Ozisik, Rahmi, Siegel, Richard W.

“…The addition of less than 1 vol%, 33 nm zinc oxide nanoparticles into a polyurethane matrix resulted in approximately 40% decrease in the Young's modulus, 80%…”
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Two distinctive energy migration pathways of monolayer molecules on metal nanoparticle surfaces by Li, Jiebo, Qian, Huifeng, Chen, Hailong, Zhao, Zhun, Yuan, Kaijun, Chen, Guangxu, Miranda, Andrea, Guo, Xunmin, Chen, Yajing, Zheng, Nanfeng, Wong, Michael S., Zheng, Junrong

“…Energy migrations at metal nanomaterial surfaces are fundamentally important to heterogeneous reactions. Here we report two distinctive energy migration…”
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High Li+ coordinated solvation sheaths enable high‐quality Li metal anode by Huang, Shizhi, Huang, Yu‐Peng, Xia, Yijie, Ding, Jingyi, Peng, Chengyuan, Wang, Lulu, Luo, Junrong, Zhang, Xin‐Xiang, Zheng, Junrong, Gao, Yi Qin, Chen, Jitao

“…An advance Li‐sphere possessing a definitely regular morphology in Li deposition enables a well‐defined more robust structure and superior solid‐electrolyte…”
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