Lei Zhang, Xiao Qing Chen, Shuo Liu, Qian Zhang et al.
The recently proposed digital coding metasurfaces make it possible to control electromagnetic (EM) waves in real time, and allow the implementation of many different functionalities in a programmable way. However, current configurations are only space-encoded, and do not exploit the temporal dimensi...
Taotao Li, Wei Guo, Liang Ma, Weisheng Li et al.
Two-dimensional (2D) semiconductors, in particular transition metal dichalcogenides (TMDCs), have attracted great interest in extending Moore's law beyond silicon 1-3 . However, despite extensive efforts 4-25 , the growth of wafer-scale TMDC single crystals on scalable and industry-compatible substr...
Weisheng Li, Xiaoshu Gong, Zhihao Yu, Liang Ma et al.
The development of next-generation electronics requires scaling of channel material thickness down to the two-dimensional limit while maintaining ultralow contact resistance 1,2 . Transition-metal dichalcogenides can sustain transistor scaling to the end of roadmap, but despite a myriad of efforts, ...
Lei Liu, Taotao Li, Liang Ma, Weisheng Li et al.
Two-dimensional transition-metal dichalcogenides (TMDs) are of interest for beyond-silicon electronics 1,2 . It has been suggested that bilayer TMDs, which combine good electrostatic control, smaller bandgap and higher mobility than monolayers, could potentially provide improvements in the energy-de...
Ting Liu, Jiang Xue Dong, Shi Gang Liu, Na Li et al.
A stable silver nanoparticles/carbon quantum dots (Ag/CQDs) composite was prepared by using CQDs as reducing and stabilizing agent. The CQDs synthesized with polyethyleneimine (PEI) showed an extraordinary reducibility. When Hg 2+ was presented in the Ag/CQDs composite solution, a color change from ...
Jun Xi, Zhaoxin Wu, Bo Jiao, Hua Dong et al.
Tin (Sn)‐based perovskites are increasingly attractive because they offer lead‐free alternatives in perovskite solar cells. However, depositing high‐quality Sn‐based perovskite films is still a challenge, particularly for low‐temperature planar heterojunction (PHJ) devices. Here, a “multichannel int...
Lei Han, Shi Gang Liu, Jiang Xue Dong, Jia Yu Liang et al.
Yellow, green, and blue photoluminescent polymer carbon dots were prepared by a hydrothermal method and the multicolor photoluminescence mechanism was discussed.
Guofu Ma, Miaomiao Dong, Kanjun Sun, Enke Feng et al.
A stable and effective redox-mediator gel electrolyte has been prepared by doping indigo carmine (IC) into a polyvinyl alcohol sulfuric acid polymer system (PVA–H<sub>2</sub>SO<sub>4</sub>), and a high performance solid state supercapacitor is fabricated by utilizing activated carbon as electrodes a...
Hua Dong, Zhaoxin Wu, Jun Xi, Xiaobao Xu et al.
Abstract High crystallinity and compactness of the active layer is essential for metal‐halide perovskite solar cells. Here, a simple pseudohalide‐induced film retreatment technology is developed as the passivation for preformed perovskite film. It is found that the retreatment process yields a contr...
Hua Dong, Jun Xi, Lijian Zuo, Jingrui Li et al.
Abstract Interfacial ligand passivation engineering has recently been recognized as a promising avenue, contributing simultaneously to the optoelectronic characteristics and moisture/operation tolerance of perovskite solar cells. To further achieve a win‐win situation of both performance and stabili...
Song Zhao, Shuai Wang, Jiabin Guo, Lei Li et al.
Abstract Vanadate oxides with low price and high theoretical capacity are competitive cathodes for aqueous zinc‐ion batteries (AZIBs). However, the existing problems such as sluggish Zn 2+ ion mobility, weak conductivity, and complicated flexible electrode preparation hinder the development of their...
Guofu Ma, Dongyang Guo, Kanjun Sun, Hui Peng et al.
Cotton-based porous activated carbons (CACs) are prepared through a simple chemical activation method using cotton fiber as carbon source and ZnCl<sub>2</sub> as activating agent.
Rui Dong, Yunyao Wu, Shibing Xu, Lei Zhang et al.
BACKGROUND: This study aimed to systemically review the effectiveness of aquatic exercise (AQE) compared to land-based exercise (LBE) in treating knee osteoarthritis (OA). METHODS: The Medline, Embase, Web of Science, Cochrane Central Register of Controlled Clinical Trials, CINAHL, and psyclNFO data...
Hao Wu, Xin Gao, Lei Zhang, Guo Dong Bai et al.
Facilitated by ultrafast dynamic modulations, spatiotemporal metasurfaces have been identified as a pivotal platform for manipulating electromagnetic waves and creating exotic physical phenomena, such as dispersion cancellation, Lorentz reciprocity breakage, and Doppler illusions. Motivated by emerg...
Lei Han, Shi Gang Liu, Xue Dong, Jia Yu Liang et al.
Sensitive and selective determination of mercury ion (Hg2+) is critical for human health and environmental monitoring. Herein we construct an effective ratiometric fluorescent sensing platform by combining green fluorescent polymer carbon dots (PCDs) and red fluorescent tetraphenylporphyrin tetrasul...
Ting Lei, Feihong Li, Xinyi Zhu, Hua Dong et al.
Large‐area homogeneous and uniform perovskite films are key to the mass production of perovskite solar cells, especially the flexible ones. Different from the solution‐processed preparation, herein an all‐evaporation technique is developed for both perovskite films and the hole‐transporting layer in...
Ren Dongfeng, Shuxun Hou, Wenwen Wu, Huadong Wang et al.
STUDY DESIGN: Several recent studies suggest a high-intensity zone (HIZ) within the posterior annulu of lumbar intervertebral disc seen on T2-weighted magnetic resonance (MR) images represents the inflammation in the annulus, an annular tear, and/or vascular granulation tissue. It has not be reporte...
Yi Yan, X. Li, Anne Blanchard, V. Bramwell et al.
Background Roles of Estrogen Receptor-beta 1 (ER-β1) and its co-regulator Steroid Receptor RNA Activator Protein (SRAP) in breast cancer remain unclear. Previously, ER-β1 and SRAP expression were found positively correlated in breast cancer and, therefore, expression of these two molecules could cha...
Lili Dong, Xiuqiang Zhang, Suxia Ren, Tingzhou Lei et al.
PDDA–CNCs supported Au nanohybrids, which were prepared by <italic>in-situ</italic> deposition of Au NPs, <italic>via</italic> the self-assembly between negative Au precursor and positively charged PDDA–CNCs, exhibited excellent electrochemical glucose sensing ability.
Kanjun Sun, Miaomiao Dong, Enke Feng, Hui Peng et al.
A novel gel polymer PVA-H<sub>3</sub>PO<sub>4</sub>-PySH is prepared through introducing redox-mediated PySH into PVA-H<sub>3</sub>PO<sub>4</sub>host, and a solid state supercapacitor is fabricated using the gel polymer as electrolyte and separator, activated carbons as electrodes.