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| 1 | Crystalline behaviors and phase transition during the manufacture of fine denier PA6 fibers显示文摘Recently we have successfully produced fine denier PA6 fibers by using additives containing lanthanide compounds.Meanwhile,crystallization and phase transition of PA6 fibers during spinning and drawing processes were investigated.During the spinning process,β phase crystal could be obtained in as-spun PA6 fibers which were produced with relatively high melt draw ratio,while γ phase crystal predominated when the melt draw ratio was relatively low.β phase crystal,whose behaviors are similar with those of γ phase by FT-IR and XRD characterization,could be transformed to α form easily when PA6 fibers are immersed in boiling water.However,γ phase crystal of PA6 remains unchanged in boiling water.Thus,β and γ phase crystals of PA6 can be differentiated by the crystalline behaviors of PA6 fibers after treatment in boiling water.Further experiments demonstrate that the β phase can also be produced during a drawing process where a phase transformation from γ to α occurs.In other words,β phase may act as an intermediate state during the phase transformation. | ZHANG ChengFeng LIU YuHai LIU ShaoXuan LI HuiZhen HUANG Kun PAN QingHua HUA XiaoHui HAO ChaoWei MA QingFang LV ChangYou LI WeiHong YANG ZhanLan ZHAO Ying WANG DuJin LAI GuoQiao JIANG JianXiong XU YiZhuang WU JinGuang | 2009 | Science China Chemistry2009，52，11： | 4 |
| 2 | Recent progress of thin-film photovoltaics for indoor application显示文摘Indoor photovoltaics have attracted increasing attentions owing to their great potential in supplying energy for low power devices under indoor light in our daily life.The third generation thin-film solar cells,including dye-sensitized solar cells,perovskite solar cells and organic solar cells,have made rapid progress from the aspect of materials design to photovoltaic performance.This review provides an overview on the recent advances in the development of indoor photovoltaic technologies based on the third generation solar cells.The design principles of advanced thin-film indoor photovoltaics were also summarized according to the characteristics of indoor light and the advantages of the third generation solar cells.Finally,after summarizing the current research progress,the perspective on this topic is provided. | Nanfu Yan Chaowei Zhao Shengyong You Yuefeng Zhang Weiwei Li | 2020 | Chinese Chemical Letters2020，31，3： | 4 |
| 3 | Hierarchical ferric-cobalt-nickel ternary oxide nanowire arrays supported on graphene fibers as high-performance electrodes for flexible asymmetric supercapacitors显示文摘基于纤维的 supercapacitors (FSC ) 是精力存储家庭的新成员。他们现在的优秀灵活性并且在小、灵活、便携的设备有有希望的应用。当保留灵活性时, FSC 的存在挑战之一正在提高他们的精力密度。我们开发了一个灵巧、划算的方法基于层次 ferric-cobalt-nickel 制作一个高度电容的积极电极第三的氧化物 nanowire arrays/graphene 纤维和一个否定电极基于导出 polyaniline 的碳 nanorods/graphene 纤维。漂亮微观结构和两个电极的优秀电气化学的表演使我们能构造 highperformance 灵活不对称的 graphene 有 1.4 V 的操作电压的基于纤维的 supercapacitor 设备,一个特定的电容直到 61.58 mF ??摔??圠敔????猯'T??????????????猯'T???????猯'T??? | Jingxin Zhao Chaowei Li Qichong Zhang Jun Zhang Xiaona Wang Juan Sun Juanjuan Wang Jixun Xie Ziyin Lin Zhuo Li Weibang Lu Conghua Lu Yagang Yao | 2018 | Nano Research2018，11，4： | 3 |
| 4 | Surfactant-Encapsulated Polyoxometalate Complex as a Cathode Interlayer for Nonfullerene Polymer Solar Cells显示文摘An alcohol-soluble,environmentally friendly,and low-cost surfactant-encapsulated polyoxometalate complex[(C8H17)4N]4[SiW_(12)O40](TOASiW_(12))as a cathode interlayer(CIL)has exhibited excellent universality for various active layers and cathodes in nonfullerene polymer solar cells(NF-PSCs).In particular,incorporating TOASiW_(12) as the CIL enhanced power conversion efficiencies(PCEs)of the PM6:Y6-based NF-PSCs with Al or Ag cathode to 16.14%and 15.89%,respectively,and the PCEs of PM6:BTP-BO4Cl-based NF-PSCs with Al or Ag cathode to 17.04%and 17.00%,respectively.More importantly,the performances of the devices with TOASiW_(12) were insensitive to the TOASiW_(12) thickness from 3 to 33 nm.Furthermore,the NF-PSCs with TOASiW_(12) exhibited better device stability.Combined characterization of the photocurrent density versus effective voltage,capacitance versus voltage and electron mobility demonstrated that TOASiW_(12) as the CIL effectively promoted exciton dissociation,charge-carrier extraction,built-in potential,charge-carrier density,and electron mobility in the NF-PSCs.These findings suggest that TOASiW_(12) is a promising,competitive CIL for NF-PSCs fabricated by roll-to-roll processing. | Jing Qiu Yue Zhang Yan Liu Huiru Liu Dongdong Xia Fan Yang Chaowei Zhao Weiwei Li Lixin Wu Fenghong Li | 2022 | CCS Chemistry2022，4，3： | 3 |
| 5 | A method of forced extrapolation of the global magnetic field in the solar corona显示文摘We present a method of forced-field(i.e., non-force-free field: NFFF) extrapolation of the global magnetic field in the corona, on the basis of single-layer vector magnetogram, by extending an extrapolation technique of local magnetic field first developed by Hu et al.(2008). The forced coronal magnetic field is described by a system with the minimum dissipation rate(MDR) which is appropriate for the corona as a forced and open system. The obtained solution of the magnetic field can be decomposed into three components including one potential field and two linear force-free fields(LFFF). Starting from the given single-layer vector magnetogram, the bottom boundary condition for each component is determined with an iterative method to achieve a minimum difference of the transverse component between the extrapolated field and the original magnetogram. The final extrapolated forced field is given by the sum of the three component fields with the obtained bottom boundaries. The method is tested with an analytic magnetohydrostatic(MHS) solution. It is shown that the extrapolated forced field is highly consistent with the MHS solution at least from the solar disk to the heliocentric distance of 1.5 solar radii(R⊙). For instance, the complements of normalized and mean vector errors(E’n, E’m) are as high as ~97% and 95%, respectively. Further comparisons between magnetic strength, force and field line distributions indicate that the MHS solution has been successfully reconstructed. | WANG Bing CHEN Yao HU Qiang JIANG ChaoWei SONG HongQiang WU Zhao NING Hao | 2020 | Science China(Technological Sciences)2020，63，2： | 3 |
| 6 | Taking the pulse of COVID-19:a spatiotemporal perspective显示文摘The sudden outbreak of the Coronavirus disease(COVID-19)swept across the world in early 2020,triggering the lockdowns of several billion people across many countries,including China,Spain,India,the U.K.,Italy,France,Germany,Brazil,Russia,and the U.S.The transmission of the virus accelerated rapidly with the most confirmed cases in the U.S.,India,Russia,and Brazil.In response to this national and global emergency,the NSF Spatiotemporal Innovation Center brought together a taskforce of international researchers and assembled implementation strategies to rapidly respond to this crisis,for supporting research,saving lives,and protecting the health of global citizens.This perspective paper presents our collective view on the global health emergency and our effort in collecting,analyzing,and sharing relevant data on global policy and government responses,human mobility,environmental impact,socioeconomical impact;in developing research capabilities and mitigation measures with global scientists,promoting collaborative research on outbreak dynamics,and reflecting on the dynamic responses from human societies. | Chaowei Yang Dexuan Sha Qian Liu Yun Li Hai Lan Weihe Wendy Guan Tao Hu Zhenlong Li Zhiran Zhang John Hoot Thompson Zifu Wang David Wong Shiyang Ruan Manzhu Yu Douglas Richardson Luyao Zhang Ruizhi Hou You Zhoua Cheng Zhong Yifei Tian Fayez Beaini Kyla Carte Colin Flynn Wei Liu Dieter Pfoser Shuming Bao Mei Li Haoyuan Zhang Chunbo Liu Jie Jiang Shihong Du Liang Zhao Mingyue Lu Lin Li Huan Zhou Andrew Ding | 2020 | International Journal of Digital Earth2020，13，10： | 2 |
| 7 | Polymorphisms of the vascular endothelial growth factor A gene and susceptibility to sporadic brain arteriovenous malformation in a Chinese population显示文摘 | Hongyan Chen Yuxiang Gu Wenting Wu Dan Chen Peiliang Li Weiwei Fan Daru Lu Fan Zhao Nidan Qiao Huijia Qiu Chaowei Fu Ying Mao Yao Zhao | 2010 | Journal of Clinical Neuroscience2010，，4： | 1 |
| 8 | Micro/nano-mechanical behaviors of individual FCC,BCC and FCC/BCC interphase in a high-entropy alloy显示文摘Here,a systematic investigation was made on the interphase strengthening effects induced superior me-chanical performances of multiphase high-entropy alloys(HEAs)at micro/nano-scale,compared with sin-gle phase HEAs.A pillar compression test under a scanning electron microscope(SEM)was performed on the individual face centered cubic(FCC),body centered cubic(BCC),and mixed-phases with different di-ameters in a Fe_(24)Co_(25)Ni_(24)Cr_(23)Al_(4)HEA using focused ion beam(FIB)milling and a nanoindenter equipped with a flat punch.The stress-strain response of pillar underneath the indenter was selected to explore the diameter/phase-dependent size effect,the periodically fluctuation of local stress,and strain hardening.It was revealed that the pillars at the interphase exhibited significantly higher strength,compared with the FCC and BCC pillars.An experiment also verified the coincident mechanical size effects independent with the type of phases.The stress responses in the mixed-phase pillars manifested as a distinct transition from the dramatic drop to the minor fluctuation during the post-yield stages with the increasing strain,indicating the propagation of Al-Ni enriched solid solution phase(BCC1)under compression.Except the BCC1 phase,numerous dislocations were observed in the post-deformed pillars,particularly serving as the major source to enhance the strain hardening of BCC pillars. | Wei Zhang Zhichao Ma Chaofan Li Chaowei Guo Dongni Liu Hongwei Zhao Luquan Ren | 2022 | Journal of Materials Science & Technology2022，，19： | 1 |
| 9 | Adaptive step-by-step power allocation algorithm for MI- MO-OFDM systems 显示文摘 | TANG Chaowei ZHAO Lijuan SHAO Yanqing | 2010 | Journal of Huazhong University of Science and Technology: Nature Science Edition2010，38，4： | 1 |
| 10 | Mechanical-robust and recyclable polyimide substrates coordinated with cyclic Ti-oxo cluster for flexible organic solar cells显示文摘With the rapid development of flexible optoelectronic devices,recyclability is highly desirable for alleviating resource waste and environmental pollution,but remains challenging.Here,a fully closed-loop recyclable crosslinked polyimide(RCPI)was fabricated via carboxyl ligand exchange between the CPI with pendent carboxyl groups and the cyclic Ti-oxo cluster(CTOC)with labile carboxyl ligands,which could be reconverted into reprocessable CPI and CTOC solution by pivalic acid.The RCPI-based embedded AgNWs@RCPI electrode shows comparable high conductivity,transparency and low roughness with ITO(indium tin oxide)/glass electrode,and meanwhile outstanding mechanical robustness.The related flexible organic solar cells(FOSCs)provided a high efficiency of 14.78% and maintained~97% of the initial efficiency after 5000 bending cycles at a small bending radius of 1 mm.Moreover,the recyclability of the RCPI still retains after being manufactured into the FOSCs.This work provides a promising strategy for recyclable flexible optoelectronic devices. | Guangcong Zhang Qiaomei Chen Chengcheng Xie Yongmei Wang Chaowei Zhao Chengyi Xiao Yen Wei Weiwei Li | 2022 | npj Flexible Electronics2022，6，1： | 1 |
| 11 | Interactions between Metal Chlorides and Poly(vinyl pyrrolidone) in Concentrated Solutions and Solid-State Films显示文摘 | CHAOWEI HAO YING ZHAO YONG ZHOU | 2007 | Journal of Polymer Science: Part B2007，45，： | 1 |
| 12 | An Organic–Inorganic Hybrid Material Based on Benzo[ghi]perylenetri-imide and Cyclic Titanium-Oxo Cluster for Efficient Perovskite and Organic Solar Cells显示文摘Perovskite and organic solar cells usually require electron-transport interlayers to efficiently transport electrons from the photoactive layer to the metal electrode.In general,pure organic or inorganic materials are applied into the interlayers,but organic–inorganic hybrid materials have been rarely reported for this application.In this work,we report using the first titanium-oxo cluster-based organic–inorganic hybrid as the interlayer material by introducing largeπ-conjugated benzo[ghi]perylenetriimides as an organic part via a simple ligand-exchange reaction.This new hybrid material showed excellent solubility,well-aligned energy levels,and excellent electron mobilities,enabling its great potential application as an interlayer in solar cells such as perovskite and organic solar cells,providing high power conversion efficiencies of>20%and 16%,respectively.Therefore,we claim that our present work introduces a new class of cluster-based organic–inorganic hybrid interlayer materials that exhibit promising application in organic electronics. | Zhou Zhang Faming Han Jie Fang Chaowei Zhao Shuai Li Yonggang Wu Yuefeng Zhang Shengyong You Binghui Wu Weiwei Li | 2022 | CCS Chemistry2022，4，3： | 1 |
| 13 | Fabrication and properties of a lubrication composite coating based on poly(p - hydroxybenzoic acid) (PHBA) 显示文摘 | WANG Jian ZHAO Wenzhen GUO Chaowei | 2009 | J Mater Sci2009，44，1： | 1 |
| 14 | 高尔基体糖蛋白-73与AFP单独及联合检测对原发性肝癌诊断的临床价值分析(英文)显示文摘Objective: The aim of the present study was to further evaluate the clinical value of single or joint of golgi protein 73 (GP73) and alphafetoprotein (AFP) in diagnosis of hepatocellular (HCC). Methods: One hundred and eighteen, 94 and 47 serum samples from the patients with HCC, chronic liver disease (CLD) and liver cirrhosis (LC) were collected, respectively. Serum levels of AFP and GP73 were assayed with commercial kit according to the manufacturer's instructions. Results: Patients with HCC had higher serum concentration of AFP than that of the patients with CLD (P < 0.01), but was similar to that of the patients with LC. Serum GP73 levels in the patients with CLD or LC were significantly lower than that in the patients from HCC group (P < 0.01). Among 118 HCC patients, the positive rate of GP73 and AFP was 80.5% and 48.3%, respectively (P < 0.001). The ROC curve analysis showed that the AUC value of GP73 was higher than that of serum AFP. Moreover, the sensitivity and the accuracy of GP73 were 77.1% and 82.6%, respectively, which were greater more than that of AFP at 90% specificity (28.8% and 59.8%, respectively). The AUC, the sensitivity and the accuracy of GP73 in combination of AFP (AFP/GP73) were 0.855, 78.0% and 83.0%, respectively, which were similar to that of GP73 alone but were much higher than that of the single marker AFP. Conclusion: For HCC diagnosing, GP73 was more sensitive and specific than AFP. The diagnostic value of AFP/GP73 was similar to GP73 but was much higher than AFP. | Zhenxian Zhou Dunnian Xia Chaowei Wang Changqing Lin Wei Zhao Chen Dong | 2012 | The Chinese-German Journal of Clinical Oncology2012，11，11： | 1 |
| 15 | A new DRIE cut-off material in SOG MEMS process显示文摘The silicon on glasses process is a common preparation method of micro-electro-mechanical system inertial devices,which can realize the processing of thick silicon structures.This paper proposes that indium tin oxides(ITO)film can serve as a deep silicon etching cut-off layer because ITO is less damaged under the attack of fluoride ions.ITO has good electrical conductivity and can absorb fluoride ions for silicon etching and reduce the reflection of fluoride ions,thus reducing the foot effect.The removal and release of ITO use an acidic solution,which does not damage the silicon structure.Therefore,the selection of the sacrificial layer has an excellent effect in maintaining the shape of the MEMS structure.This method is used in the preparation of MEMS accelerometers with a structure thickness of 100μm and a feature size of 4μm.The over-etching of the bottom of the silicon structure caused by the foot effect is negligible.The difference between the simulated value and the designed value of the device characteristic frequency is less than 5%.This indicates that ITO is an excellent deep silicon etch stopper material. | Chaowei Si Yingchun Fu Guowei Han Yongmei Zhao Jin Ning Zhenyu Wei Fuhua Yang | 2023 | Journal of Semiconductors2023，44，4： | 0 |
| 16 | Fused-ring induced end-on orientation in conjugated molecular dyads toward efficient single-component organic solar cells显示文摘The molecular orientations of conjugated materials on the substrate mainly include edge-on,face-on,and end-on.Edge-on and face-on orientations have been widely observed,while end-on orientation has been rarely reported.Since in organic solar cells(OSCs)charge transport is along the vertical direction,end-on orientation with conjugated backbones perpendicular to the substrate is recognized as the ideal microstructure for OSCs.In this work,we for the first time obtained the preferential end-on orientation in a conjugated molecular dyad that contains a conjugated backbone as donor and perylene bisimide side units as acceptor.This was realized by introducing a fused-ring structure to replace linear terthiophenes with conjugated backbones,yielding F-MDPBI and L-MDPBI respectively.Surprisingly,a shifting trend of the molecular orientation from dominating edge-on in L-MDPBI to preferential end-on in F-MDPBI was observed.As a consequence,vertical charge carrier mobilities in F-MDPBI are one order of magnitude higher than those with preferential edge-on orientation,so single-component OSCs based on this molecular dyad as a single photoactive layer provided a power conversion efficiency of 4.89% compared to 1.70% based on L-MDPBI with preferential edge-on orientation. | Dongdong Xia Shengxi Zhou Wen Liang Tan Safakath Karuthedath Chengyi Xiao Chaowei Zhao Frédéric Laquai Christopher R.McNeill Weiwei Li | 2023 | Aggregate2023，4，2： | 0 |
| 17 | Artemisia argyi extract subfraction exerts an antifungal effect against dermatophytes by disrupting mitochondrial morphology and function显示文摘Artemisia argyi(A.argyi),a plant with a longstanding history as a raw material for traditional medicine and functional diets in Asia,has been used traditionally to bathe and soak feet for its disinfectant and itch-relieving properties.Despite its widespread use,scientific evidence validating the antifungal efficacy of A.argyi water extract(AAWE)against dermatophytes,particularly Trichophyton rubrum,Trichophyton mentagrophytes,and Microsporum gypseum,remains limited.This study aimed to substantiate the scientific basis of the folkloric use of A.argyi by evaluating the antifungal effects and the underlying molecular mechanisms of its active subfraction against dermatophytes.The results indicated that AAWE exhibited excellent antifungal effects against the three aforementioned dermatophyte species.The subfraction AAWE6,isolated using D101 macroporous resin,emerged as the most potent subfraction.The minimum inhibitory concentrations(MICs)of AAWE6 against T.rubrum,M.gypseum,and T.mentagrophytes were 312.5,312.5,and 625μg·mL−1,respectively.Transmission electron microscopy(TEM)results and assays of enzymes linked to cell wall integrity and cell membrane function indicated that AAWE6 could penetrate the external protective barrier of T.rubrum,creating breaches(“small holes”),and disrupt the internal mitochondrial structure(“granary”).Furthermore,transcriptome data,quantitative real-time PCR(RT-qPCR),and biochemical assays corroborated the severe disruption of mitochondrial function,evidenced by inhibited tricarboxylic acid(TCA)cycle and energy metabolism.Additionally,chemical characterization and molecular docking analyses identified flavonoids,primarily eupatilin(131.16±4.52 mg·g^(−1))and jaceosidin(4.17±0.18 mg·g^(−1)),as the active components of AAWE6.In conclusion,the subfraction AAWE6 from A.argyi exerts antifungal effects against dermatophytes by disrupting mitochondrial morphology and function.This research validates the traditional use of A.argyi and provides scientific support for its antidermatophytic applications,as recognized in the Chinese patent(No.ZL202111161301.9). | CHEN Le ZHU Yunyun GUO Chaowei GUO Yujie ZHAO Lu MIAO Yuhuan DU Hongzhi LIU Dahui | 2024 | Chinese Journal of Natural Medicines2024，22，1： | 0 |
| 18 | Stable Radical TEMPO Terminated Perylene Bisimide(PBI) Based Small Molecule as Cathode Interlayer for Efficient Organic Solar Cells显示文摘By combining stable radical tetramethylpiperidine nitrogen oxide(TEMPO)as end groups and perylene bisimide(PBI)as the core,a small molecular cathode interlayer(CIL)(PBI-TEMPO)was synthesized.Detailed physical-chemical characterizations indicate that PBI-TEMPO can form smooth film,owns low unoccupied molecular orbital(LUMO)level of−3.67 eV and can reduce the work function of silver electrode.When using PBI-TEMPO as CIL in non-fullerene organic solar cells(OSCs),the PM6:BTP-4Cl based OSCs delivered high power conversion efficiencies(PCEs)up to 17.37%,higher than those using commercial PDINO CIL with PCEs of 16.95%.Further device characterizations indicate that PBI-TEMPO can facilitate more efficient exciton dissociation and reduce charge recombination,resulting in enhanced current density and fill factor.Moreover,PBI-TEMPO displays higher thermal stability than PDINO in solution.When PBI-TEMPO and PDINO solution were heated at 150℃ for 2 h and then were used as CIL in solar cells,PBI-TEMPO-based OSCs provided a PCE of 15%,while PDINO-based OSCs only showed a PCE of 10%.These results demonstrate that incorporating TEMPO into conjugated materials is a useful strategy to create new organic semiconductors for application in OSCs. | ZHANG Ziwei XIA Dongdong XIE Qian ZHAO Chaowei FANG Jie WU Yonggang LI Weiwei | 2023 | Chemical Research in Chinese Universities2023，39，2： | 0 |
| 19 | A Brief Review of Interplanetary Physics Research Progress in China' Mainland during 2020-2022显示文摘Through independent research by the Chinese scientists or their international collaborations,great achievements have been made in interplanetary physics research in China' Mainland during the past two years(2020-2022).More than 150 papers have been published in academic journals in this field during this period.These achievements can be grouped into the following areas,at least:(i)solar corona;(ii)solar and interplanetary transient phenomena;(iii)radio bursts;(iv)Magnetohydrodynamic(MHD)numerical modeling;(v)solar energetic particles and cosmic rays.These advances have greatly enriched our understanding of interplanetary physics,i.e.our knowledge of solar activities and solar eruptions,their propagation in the interplanetary space,and the corresponding geoeffects on the Earth.In the sense of application,they have also improved the forecasting of space weather.In this paper we will give a very short review about these advances. | ZHAO Xinhua HE Jiansen SHEN Chenglong FENG Shiwei JIANG Chaowei LI Huichao QIN Gang LUO Xi | 2022 | 空间科学学报2022，42，4： | 0 |
| 20 | Urea-assisted morphological engineering of MFI nanosheets with tunable b-thickness显示文摘Engineering of crystal morphology affects the catalytic and adsorption properties of zeolitic materials.Considering the anisotropic diffusion of molecules derived from its topological features,MFI zeolite nanosheets with short b-axis thickness are highly desired materials to reduce diffusion resistance.However,the design and development of eco-friendly synthesis protocols with reasonable cost and high efficiency remain elusive.Herein,we reported a systematic study on the synthesis of MFI nanosheets using urea as an additive.Both silicalite-1 and ZSM-5 zeolites(MFI type framework structure)with controllable b-thicknesses ranging from 50–200 nm were achieved by optimizing the synthetic parameters including water content,urea and SDA concentrations.The concentration of hydroxide anions was found to dominate the crystallization kinetics compared with the counterpart tetrapropylammonium cations(TPA^(+)).To facilitate the crystal growth of MFI zeolites in the presence of urea,the ratio OH−/SiO_(2)has to be higher than 0.2,independent of the TPA+concentration.The role of urea in the assistance of plate-like crystal formation through the inhibition of(010)facet growth was revealed by electron microscopy and infrared(IR)spectroscopy analyses.The developed strategy for morphological engineering is not limited to the MFI-type zeolite and can be applied to other frameworks depending on the intrinsic properties of additive molecules and the interactions between them. | Qiudi Yue Chaowei Liu Hongjuan Zhao Honghai Liu Pierre Ruterana Jiaqi Zhao Zhengxing Qin Svetlana Mintova | 2023 | Nano Research2023，16，10： | 0 |
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