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| 1 | Boosting High-Rate Zinc-Storage Performance by the Rational Design of Mn_(2)O_(3) Nanoporous Architecture Cathode显示文摘Manganese oxides are regarded as one of the most promising cathode materials in rechargeable aqueous Zn-ion batteries(ZIBs)because of the low price and high security.However,the practical application of Mn2O3 in ZIBs is still plagued by the low specific capacity and poor rate capability.Herein,highly crystalline Mn2O3 materials with interconnected mesostructures and controllable pore sizes are obtained via a ligand-assisted self-assembly process and used as high-performance electrode materials for reversible aqueous ZIBs.The coordination degree between Mn2+and citric acid ligand plays a crucial role in the formation of the mesostructure,and the pore sizes can be easily tuned from 3.2 to 7.3 nm.Ascribed to the unique feature of nanoporous architectures,excellent zinc-storage performance can be achieved in ZIBs during charge/discharge processes.The Mn2O3 electrode exhibits high reversible capacity(233 mAh g−1 at 0.3 A g−1),superior rate capability(162 mAh g−1 retains at 3.08 A g−1)and remarkable cycling durability over 3000 cycles at a high current rate of 3.08 A g−1.Moreover,the corresponding electrode reaction mechanism is studied in depth according to a series of analytical methods.These results suggest that rational design of the nanoporous architecture for electrode materials can effectively improve the battery performance. | Danyang Feng Tu‑Nan Gao Ling Zhang Bingkun Guo Shuyan Song Zhen‑An Qiao Sheng Dai | 2020 | Nano-Micro Letters2020，12，1： | 2 |
| 2 | Template synthesis of silver indium sulfide based nanocrystals performed through cation exchange in organic and aqueous media显示文摘Heavy-metal-free silver based I-III-VI semiconductor nanocrystals(NCs),including ternary silver indium sulfide(AgInS_(2))and derivative quaternary silver indium zinc sulfide(i.e.,AgInZn_(2)S_(4))NCs,possess advantages of low toxicity,and size-tunable band gaps approaching near-infrared spectral range,which make them candidates for use in optoelectronic and biological devices.Herein,we report syntheses of AgInS_(2) based NCs starting from In_(2)S_(3) template,which have been performed both in organic and aqueous phase through cation exchange.As a result,ternary silver indium sulfide and quaternary silver indium zinc sulfide NCs are obtained in both organic and aqueous media,and confirmed to be orthorhombic AgInS_(2) NCs and hexagonal AgInZn_(2)S_(4) NCs,respectively.Furthermore,the aqueous AgInZn_(2)S_(4) NCs with red emission and low cytotoxicity are explored for the cancer cell imaging. | Na Gao Rubo Zhang Bingkun Chen Jinfeng Zhang Xiaoling Zhang Andrey L.Rogach | 2021 | Nano Research2021，14，7： | 1 |
| 3 | Research on multi-parametric sensors based on multi-mode microfiber显示文摘A multi-parametric sensor based on multi-mode microfiber(MMF)is proposed,utilizing the modal interference between HE11mode and HE12mode in the elongated multi-mode fiber to achieve the temperature and pressure measurement.In this paper,the simulation model of modal interference based on MMF is established and the mechanism of modal interference is analyzed.Using the different mechanisms of modal response in the fiber at different wavelengths,the temperature was inverted using the offset of wavelengths in the spectrum,and the pressure was measured using the change of light intensity.The independent measurement of temperature and pressure was achieved.The experimental results show that the sensor has a temperature sensitivity of 1.305 nm/℃.In the case of pressure sensing,the sensor shows a sensitivity of-0.163 d Bm/g. | DONG Taiji LIU Xu WANG Yunkai GAO Bingkun JIANG Chunlei WANG Xiufang | 2024 | Optoelectronics Letters2024，20，1： | 0 |
| 4 | An optical fiber probe based on multi-optical well particle capture显示文摘In this paper, a new method of constructing single-fiber optical tweezers is proposed, which can achieve multi-optical well non-contact capture on the same optical fiber, so as to reduce the difficulty of making single-fiber optical tweezers and enhance the operation function of single-fiber optical tweezers. We use the 650 nm laser source to excite high purity LP11 mode in 980 nm single-mode fiber, which can achieve the multi-optical trap capture effect around the fiber port after simple micro-staggered core fusion treatment for common single-core fiber. Optical fiber ports are fabricated using thermal method to construct special tip structures. Simulation and experimental results show the feasibility of the structure. The excitation and utilization of multi-mode beams in single fiber constitute a new development of single fiber optical trap, enrich the function of single fiber optical tweezers, and make more practical applications in biomedical research possible. | GAO Bingkun RONG Yufei CHEN Peng JIANG Chunlei WU Hao | 2022 | Optoelectronics Letters2022，18，11： | 0 |
| 5 | Particle motion trajectory tracking based on fiber optic tweezers显示文摘A biosensor based on single-fiber optical tweezers is proposed,which can detect the motion trajectory of cells based on the stable capture and transmission of silica microspheres as well as biological yeast cells by using a tapered optical fiber as a sensing element.The interference cavity is formed by using the fiber tip and the target particle,the detected interference signal is demodulated using Hilbert transform,and the displacement curve of the particle is plotted to realize the particle motion trajectory tracking.This method provides potential technical support for process monitoring of targeted drug delivery in biomedicine. | ZHAO Cun DONG Taiji GAO Bingkun LIU Xu ZHANG Zihua | 2023 | Optoelectronics Letters2023，19，8： | 0 |
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