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| 1 | Integration of micro-supercapacitors with triboelectric nanogenerators for a flexible self-charging power unit显示文摘便携式、便携的电子设备的快速的发展为灵活、有效的精力收获和存储单位增加了需求。通常,这些作为分离部件独立被造并且使用。此处,我们建议雕刻的简单、划算的激光为制作一个灵活自我控告的 micro-supercapacitor 力量单位(SCMPU ) 的技术,由集成摩擦电, nanogenerator (TENG ) 和 micro-supercapacitor (MSC ) 穿进一台单个设备。SCMPU 能被周围的机械运动直接控告。我们表明 SCMPU 的能力连续地驱动轻射出的二极管和商业温湿计。这调查可以支持持续自我动力的系统的开发并且为 supercapacitors 提供一个有希望的新研究应用程序。 | Jianjun Luo Feng Ru Fan Tao Jiang Zhiwei Wang Wei Tang Cuiping Zhang Mengmeng Liu Guozhong Cao Zhong Lin Wang | 2015 | Nano Research2015,8,12: | 14 |
| 2 | Influence of external electric field on piezotronic effect in ZnO nanowires显示文摘In this work, the piezotronic effect is investigated for the first time in external electric fields ranging from 0 V·cm-I to 2,000 V·cm-1 by using n-type ZnO nanowires supported by a flexible substrate. In the presence of an external electric field, the Schottky barrier height (SBH) is lowered by the image force, allowing more free carriers to pass through the metal-semiconductor junction and enhancing the screening effect on positive piezoelectric polarization charges. As the strength of the external electric field increases, the piezotronic effect is significantly suppressed and the metal-semiconductor contact finally exhibits Ohmic behavior. The experimental results show that devices can be classified into three groups, corresponding to low, moderate, and high carrier densities of the nanowires used. This work not only helps us to explicate the basic physical mechanism of the piezotronic effect in a harsh environment in an electric field but also provides guidelines for future design and fabrication of piezotronic devices. | Fei Xue Limin Zhang Xiaolong Feng Guofeng Hu Feng Ru Fan Xiaonan Wen Li Zheng Zhong Lin Wang | 2015 | Nano Research2015,8,7: | 4 |
| 3 | Emerging Devices Based on Two-Dimensional Monolayer Materials for Energy Harvesting显示文摘Two-dimensional(2-D)materials of atomic thickness have attracted considerable interest due to their excellent electrical,optoelectronic,mechanical,and thermal properties,which make them attractive for electronic devices,sensors,and energy systems.Scavenging the otherwise wasted energy from the ambient environment into electrical power holds promise to address the emerging energy needs,in particular for the portable and wearable devices.The versatile properties of 2-D materials together with their atomically thin body create diverse possibilities for the conversion of ambient energy.The present review focuses on the recent key advances in emerging energy-harvesting devices based on monolayer 2-D materials through various mechanisms such as photovoltaic,thermoelectric,piezoelectric,triboelectric,and hydrovoltaic devices,as well as progress for harvesting the osmotic pressure and Wi-Fi wireless energy.The representative achievements regarding the monolayer heterostructures and hybrid devices are also discussed.Finally,we provide a discussion of the challenges and opportunities for 2-D monolayer material-based energy-harvesting devices in the development of self-powered electronics and wearable technologies. | Feng Ru Fan Wenzhuo Wu | 2019 | Research2019,,1: | 3 |
| 4 | The relationship between smoke concentration some distance down the hallway and the opening of the room of fire origin 显示文摘 | Fang Tingyong Yang Lizhong Huang Ru Feng Wenxing Zhai Guanglong Fan Weicheng | 2003 | Journal of Fire Sciences2003,21,: | 1 |
| 5 | An environmentally - friendly technology of vana- dium extraction from stone coal 显示文摘 | HE Dong- sheng FENG Qi -ming ZHANG Guo -fan OU Le - ruing LU Yi - ping | 2007 | Minerals Engineering2007,20,12: | 1 |
| 6 | Field-free switching through bulk spin−orbit torque in L10-FePt films deposited on vicinal substrates显示文摘L1_(0)-FePt distinguishes itself for its ultrahigh perpendicular magnetic anisotropy(PMA),enabling thermally stabile memory cells to scale down to 3 nm.The recently discovered“bulk”spin−orbit torques in L1_(0)-FePt provide an efficient and scalable way to manipulate the L1_(0)-FePt magnetization.However,the existence of an external field during the switching limits its practical application,and therefore field-free switching of L1_(0)-FePt is highly demanded.In this manuscript,by growing the L1_(0)-FePt film on vicinal MgO(001)substrates,we realize the field-free switching of L1_(0)-FePt.This method is different from previously established strategies as it does not need to add other functional layers or create asymmetry in the film structure.The dependence on the vicinal angle,film thickness,and growth temperature demonstrates a wide operation window for the fieldfree switching of L1_(0)-FePt.We confirm the physical origin of the field-free switching is due to the tilted anisotropy of L1_(0)-FePt induced by the vicinal surface.We also quantitatively characterize the spin-orbit torques in the L1_(0)-FePt films.Our results extend beyond the established strategies to realize field-free switching,and potentially could be applied to mass production. | Yongming Luo Yanshan Zhuang Zhongshu Feng Haodong Fan Birui Wu Menghao Jin Ziji Shao Hai Li Ru Bai Yizheng Wu Ningning Wang Tiejun Zhou | 2022 | Frontiers of physics2022,17,5: | 0 |