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| 1 | Multi-functional stretchable and flexible sensor array to determine the location, shape, and pressure: Application in a smart robot显示文摘The rapid increase in the aging population prompts the development of wearable devices and sophisticated robots. With their ability to collect complex information about their surroundings via e-skins, robots could perform more dynamic and variable tasks such as rescue missions or caring for the elderly. In this paper, we present a new concept of utilizing a very simple, highly flexible and stretchable capacitor sensor array, that can be attached on the surface of a retractable robot hand to realize three functions: determining the location, shape, and pressure of an object. This adaptive sensing system is accomplished using capacitors connected by aligned carbon nanotube(CNT) films constructed on an elastomer dielectric material, which can reduce the requirement on the accuracy of the machine vision system. This study has a very broad application in the manufacture of intelligent software robots. | HAN LiBiao DING JianNing WANG Shuai XU Jiang YUAN NingYi CHENG GuangGui LIU ZunFeng | 2018 | Science China(Technological Sciences)2018，61，8： | 9 |
| 2 | Fabrication and tribological properties of superhydrophobic nickel films with positive and negative biomimetic microtextures显示文摘Nickel(Ni)films with positive and negative textured surfaces of lotus and rice leaf patterns were fabricated through an inexpensive and effective method.The as-prepared Ni films were superhydrophobic and exhibited excellent tribological properties after chemical treatment.Experimental results indicated that the water contact angles(WCAs)on the surfaces of biomimetic textured Ni films(approximately 120°)were far greater than those on smooth films(65°).The biomimetic textured surfaces became superhydrophobic(WCA of approximately 150°)after perfluoropolyether(PFPE)treatment,which could be due to the combined effects of the special texture and the PFPE.The as-prepared biomimetic-textured Ni films modified with PFPE were improved with a low friction coefficient and excellent antiwear properties,which were due to the combination of the effective lubrication of PFPE and the special textures that served as a good lubricant and a debris reservoir.Moreover,the antiwear properties of the as-prepared Ni films with negative biomimetic microtextures modified with PFPE were much better than those of films with positive biomimetic microtextures modified with PFPE. | Ying WANG Jing YANG Xiaobao GUO Qiang ZHANG Jingyu WANG Jianning DING Ningyi YUAN | 2014 | Friction2014，2，3： | 4 |
| 3 | Anti-solvent engineering for efficient semitransparent CH3NH3PbBr3 perovskite solar cells for greenhouse applications显示文摘With ideal combination of benefits that selectively converts high photon energy spectrum into electricity while transmitting low energy photo ns for photos yn thesis,the CH3NH3PbBr3 perovskite solar cell(BPSC)is a promising candidate for efficient greenhouse based building integrated photovoltaic(BIPV)applications.However,the efficiency of BPSCs is still much lower than their theoretical efficiency.In general,interface band alignment is regarded as the vital factor of the BPSCs whereas only few reports on enhancing perovskite film quality.In this work,highly efficient BPSCs were fabricated by improving the crystallization process of CH3NH3PbBr3 with the assistance of anti-solvents.A new anti-solvent of diphenyl ether(DPE)was developed for its strong interaction with the solvents in the perovskite precursor solution.By using the anti-solvent of DPE,trap-state density of the CH3NH3PbBr3 film is reduced and the electron lifetime is enhanced along with the large-grain crystals compared with the samples from conventional anti-solvent of chlorobenzene.Upon preliminary optimization,the efficiencies of typical and semitransparent BPSCs are improved to as high as 9.54%and 7.51%,respectively.Optical absorption measurement demonstrates that the cell without metal electrode shows 80%transparency in the wavelength range of 550-1000 nm that is perfect for greenhouse vegetation.Considering that the cell absorbs light in the blue spectrum before 550 nm,it offers very high solar cell efficiency with only 17.8%of total photons,while over 60%of total photons can transm让through for photosynthesis if a transparent electrode can be obtained such as indium doped SnO2. | Waqas Siddique Subhani Kai Wang Minyong Du Xiuli Wang Ningyi Yuan Jianning Ding Shengzhong(Frank)Liu | 2019 | Journal of Energy Chemistry2019，28，7： | 3 |
| 4 | Photovoltaic properties of ferroelectric solar cells based on polycrystalline BiFeO_3 films sputtered on indium tin oxide substrates显示文摘To study the ferroelectric photovoltaic effect based on polycrystalline films,preparation of high-quality polycrystalline films with low leakage and high remnant polarization is essential.Polycrystalline Bi Fe O3(BFO)thin films with extremely large remnant polarization(2Pr=180μC/cm2)were successfully deposited on glass substrates coated with indium tin oxide using a modified radio frequency magnetron sputtering method.Symmetric and asymmetric cells were constructed to investigate the ferroelectric photovoltaic effect in order to understand the relationship between polarization and photovoltaic response.All examined cells showed polarization-induced photovoltaic effect.Our findings also showed that the ferroelectric photovoltaic effect is highly dependent on the material used for the top electrode and the thickness of the polycrystalline film. | DING JianNing CHEN MengJiao QIU JianHua YUAN NingYi | 2015 | Science China(Physics,Mechanics & Astronomy)2015，58，3： | 2 |
| 5 | Post-treatment by an ionic tetrabutylammonium hexafluorophosphate for improved efficiency and stability of perovskite solar cells显示文摘Interface engineering is an effective way to improve efficiency and long-term stability of perovskite solar cells(PSCs).Herein,an ionic compound tetrabutylammonium hexafluorophosphate(TP6)is adopted to passivate surface defects of the perovskite film.It is found that TP6 effectively reduced the surface defects,especially at the grain boundaries where the defects are abundant.Meanwhile,the exposed long alkyl chains and fluorine atoms in the TP6 enhanced the moisture stability of the perovskite film due to its strong hydrophobicity.In addition,the driving force of charge carrier separation and transport is increased by enlarged built-in potential.Consequently,the power conversion efficiency(PCE)of PSCs is significantly improved from 20.59% to 22.41%by increased open-circuit voltage(V_(oc))and fill factor(FF).The unencapsulated device with TP6 treatment exhibits better stability than the control device,and the PCE retains-80%of its initial PCE after 30 days under 15%-25%relative humidity in storage,while the PCE of the control device declines by more than 50%. | Chaoqun Zhang Xiaodong Ren Xilai He Yunxia Zhang Yucheng Liu Jiangshan Feng Fei Gao Ningyi Yuan Jianning Ding Shengzhong(Frank)Liu | 2022 | Journal of Energy Chemistry2022，31，1： | 1 |
| 6 | Temperature sensitivity of resistance of VO2 potycrystalline films formed by modified ion beam enhanced deposition 显示文摘 | Li Jinhua Yuan Ningyi | 2004 | Applied Surface Science2004，，233： | 1 |
| 7 | Transient heat transfer characteristics of air-array-jet impingement with different nozzle arrangements on high-tempera-ture flat plate in small jet-to-plate distance显示文摘Numerical studies on transient heat transfer characteristics of air-array-jet impingement with a small jet-to-plate distance and a large temperature difference between nozzles and plate were presented.The dimensionless jet-to-plate distance(H/D)was 0.2,and non-dimensional nozzle-to-nozzle spacing(S/D)was 3,4,5 and 6,respectively.It is found that the quenching time is shortened at a constant total mass flow at air jet inlet m·(m·=218.21 kg/h),and the heat transfer uniformity is deterio-rated as S/D increases.However,the adding reversed-flow nozzles can shorten the quenching time of the glass plate considerably with a modest change in the heat transfer uniformity.The results at variable m·are the same as those at a fixed m·.Furthermore,the parity and arrangement of nozzles are also discussed,It is found that an odd number of nozzles is more beneficial for transient heat transfer.Based on these results,an appropriate proposal for ultra-thin glass tempering process is presented. | LI Meixiang ZHU Keqian XIE Yu CAI Tingting YUAN Ningyi DING Jianning | 2020 | 排灌机械工程学报2020，38，3： | 1 |
| 8 | Properties of Sol-Gel PZT film based on Indium-Tin oxide substrate 显示文摘 | Li Jinhua Yuan Ningyi Li kun | 2001 | Ferroelectrics2001，260，14： | 1 |
| 9 | Temperature sensitivity of VO2 polycrystalline films formed by modified ion beam enhanced deposition显示文摘 | Li Jinhua Yuan Ningyi | 2004 | Applied Surface Science2004，233，： | 1 |
| 10 | Transverse electric field–induced deformation of armchair single-walled carbon nanotube显示文摘 | Biao Kan Jianning Ding Ningyi Yuan Junxiong Wang Zhigang Chen Xiaoshuang Chen | 2010 | Nanoscale Research Letters2010，，7： | 1 |
| 11 | Properties of PT/P (VDF-TrFE) Py-rodectric Sensor Based on Porous SiO2 Substrate 显示文摘 | Li Jinhua Yuan Ningyi | 2001 | SPIE2001，4596，： | 1 |
| 12 | Crystallization tailoring of cesium/formamidinium double-cation perovskite for efficient and highly stable solar cells显示文摘Achieving high-quality perovskite crystal films is a critical prerequisite in boosting solar cell efficiency and improving the device stability,but the delicate control of nucleation and growth of the perovskite film remains limited success.Herein,a facile but effective strategy has been developed to finely tailor the crystallization of thermally stable cesium/formamidinium(Cs/FA)based perovskite via partially replacing PbI2 with PbCl2 in the precursor solution.The incorporation of chlorine into the perovskite crystal lattice derived from PbCl2 changes the crystallization process and improves the crystal quality,which further results in the formation of larger crystal grains compared to the control sample.The larger crystal grains with high crystallinity lead to reduced grain boundaries,suppressed non-radiative recombination,and enhanced photoluminescence lifetime.Under the optimized conditions,the methylammonium free perovskite solar cells(PSCs)delivers a champion power conversion efficiency(PCE)of 21.30%with an open-circuit voltage as high as 1.18 V,which is one of the highest efficiencies for Cs/FA based PSCs up to now.Importantly,the unencapsulated PSC devices retain more than 95%and 81%of their original PCEs even after long-term(over one year)storage under ambient conditions or 2000 h’s thermal aging at 850C in a nitrogen atmosphere,respectively. | Jianchao Yang Yu Chen Weijian Tang Shubo Wang Qingshan Ma Yihui Wu Ningyi Yuan Jianning Ding Wen-Hua Zhang | 2020 | Journal of Energy Chemistry2020，29，9： | 1 |
| 13 | Experimental investigation of crossflow characteristics in multi-jets system at small nozzle-to-plate spacing显示文摘To further extend knowledge about the detailed knowledge on the crossflow characteristics in a multi-jets system under a confined space,particle image velocimetry (PIV) was employed to investigate the flow structures together with the distributions of the mean velocity components for Reynolds numbers (Re) ranging from 6 213 to 13 418,nozzle-to-plate spacing (H/D) varying from 0. 20 to1. 25,respectively. Results show that the crossflow configuration is significantly different from those of large nozzle-to-plate spacing. In addition,a turning point H/D=0.50 is revealed in the profile of the normalized maximum radial velocity which is associated with the heat transfer distribution on the impingement plate. | ZHU Keqian SUN Tao YU Pingping LI Meixiang YUAN Ningyi DING Jianning | 2019 | 排灌机械工程学报2019，37，2： | 1 |
| 14 | Polybenzimidazole/zwitterion-coated polyamidoamine dendrimer composite membranes for direct methanol fuel cell applications显示文摘 | ZongZong Gu Jianning Ding Ningyi Yuan Fuqiang Chu Bencai Lin | 2013 | International Journal of Hydrogen Energy2013，，36： | 1 |
| 15 | Formation Mechanism of the VO 2 Polycrystalline Film Prepared by Modified Ion Beam Enhanced Deposition显示文摘 | Li Jinhua Yuan Ningyi | 2004 | SPIE2004，5774，： | 1 |
| 16 | A comparison of ferroelectric properties of sol-gel PLT films on different electrodes显示文摘 | Li Jinhua Yuan Ningyi Li Kun | 2001 | Ferroelectrics2001，260，14： | 1 |
| 17 | Temperature Sensitivity of the VO 2 Polycrystalline Film Resistance Formed by Modified Ion Beam Enhanced Deposition显示文摘 | Li Jinhua Yuan Ningyi | 2004 | Applied Surface Science2004，233，： | 1 |
| 18 | Temperature sensitivity of resistance of VO2 polycrystalline films formed by modified ion beam enhanced deposition 显示文摘 | Li Jinhua Yuan Ningyi | 2004 | Applied Surface Science2004，233，： | 1 |
| 19 | Valence reduction procedure from sol-gel V2O5 to VO2 thin films显示文摘 | Li Jinhua Lin Chenglu | 2002 | Applied Surface Science2002，191，14： | 1 |
| 20 | Thermal simulation of mi- cromachined bridge and self-heating for uncooled VO2 in- frared mocrobolometer 显示文摘 | LI Ge YUAN Ningyi | 2006 | Sensors and Actuators A2006，126，2： | 1 |
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