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Enhanced second‐harmonic generation (SHG) responses are reported in monolayer transition metal dichalcogenides (e.g., MX2, M: Mo, W; X: S, Se) due to the broken symmetries. The 3R‐like stacked MX2 spiral structures possessing the similar broken inversion symmetry should present dramatically enhanced SHG responses, thus providing great flexibility in designing miniaturized on‐chip nonlinear optical...
Introducing heteroatom into catalyst lattice to modulate its intrinsic electronic structure is an efficient strategy to improve the electrocatalytic performance in Li–O2 batteries. Herein, Cu‐doped CoS2 (Cu–CoS2) nanoparticles are fabricated by a solvothermal method and evaluated as promising cathode catalysts for Li–O2 batteries. Based on physicochemical analysis as well as density functional theory...
Micro‐Supercapacitors
In article number 2207634, Hui Ying Yang and co‐workers develop an innovative stretchable micro‐supercapacitor with excellent resistance to freezing. Using digital light processing (DLP) 3D printing technology, an interdigital electrode with octet‐truss lattice structure has been designed to enhance the electrochemical performance of the micro‐supercapacitor. It is anticipated...
Recently, stretchable micro‐supercapacitors (MSCs) that can be easily integrated into electronic devices have attracted research and industrial attentions. In this work, three‐dimensional (3D) stretchable MSCs with an octet‐truss electrode (OTE) design have been demonstrated by a rapid digital light processing (DLP) process. The 3D‐printed electrode structure is beneficial for electrode‐electrolyte...
The lithium–oxygen (Li–O2) battery with high energy density of 3860 Wh kg−1 represents one of the most promising new secondary batteries for future electric vehicles and mobile electronic devices. However, slow oxygen reduction/oxygen evolution (ORR/OER) reaction efficiency and unstable cycling performance restrain the practical applications of the Li–O2 battery. Herein, Ru‐modified nitrogen‐doped...
Transparent glass with metal mesh is considered a promising strategy for high performance transparent glass heaters (TGHs). However, the realization of simple, low‐cost manufacture of high performance TGHs still faces great challenges. Here, a technique for the fabrication of high performance TGHs is proposed using liquid sacrificial substrate electric‐field‐driven (LS‐EFD) microscale 3D printing...
Transparent Glass Heaters
In article number 2107811, Xiaoyang Zhu, Xiaofeng Xu, Hongbo Lan, and co‐workers develop a fabrication method of silver mesh for transparent glass heaters (TGHs) via liquid sacrificial substrate electric‐field‐driven microscale 3D printing thick film silver paste. The fabricated TGHs exhibit excellent comprehensive performance. Furthermore, an interface evaporator is demonstrated...
Fine particulate matter (PM2.5) pollution arouses public health concerns over the world. Increasing epidemiologic evidence suggests that exposure to ambient airborne PM2.5 increases the risk of female infertility. However, relatively few studies have systematically explored the harmful effect of chronic PM2.5 exposure on ovarian function and the underlying mechanisms. In this study, female C57BL/6J...
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