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Dielectric-ion-conductive ZnNb2O6 layer enabling rapid desolvation and diffusion for dendrite-free Zn metal batteries

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Journal of Energy Chemistry 2025年第1期100卷 693-701页

作者： Haifeng Yang Jian Wang Panpan Zhang Xiaomin Cheng Qinghua Guan Jing Dong Bixian Chen Lujie Jia Jing Zhang Yongzheng Zhang Yunjian Liu Hongzhen Lin School of materials Science and Engineering Jiangsu University i-Lab & CAS Key Laboratory of Nanophotonic materials and devices Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Helmholtz institute Ulm (HIU) Karlsruhe institute of Technology (KIT) School of materials Science and Engineering Xi'an University of Technology State Key Laboratory of Chemical Engineering East China University of Science and Technology

Rechargeable aqueous zinc-metal batteries （AZMBs） are promising candidates for large-scale energy storage systems due to their low cost and high ***,their performance and sustainability are significantly hindered by the sluggish desolvation kinetics at the electrode/electrolyte interface and the corresponding hydrogen evolution reaction where active water molecules tightly participate in the Zn（H2O）62+solvation ***,learnt from self-generated solid electrolyte interphase （SEI） in anodes,the dielectric but ion-conductive zinc niobate nanoparticles artificial layer is constructed on metallic Zn surface （ZNB@Zn）,acting as a rapid desolvation *** zincophilic and dielectric-conductive properties of ZNB layer accelerate interfacial desolvation/diffusion and suppress surface corrosion or dendrite formation,achieving uniform Zn plating/stripping behavior,as confirmed by electronic/optical microscopies and interface spectroscopical measurements together with theoretical ***,the as-prepared ZNB@Zn electrode exhibits excellent cycling stability of over 2000 h and robust reversibility （99.54%） even under high current density and depth of discharge ***,the assembled ZNB@Zn-based full cell displays high capacity-retention rate of 80.21%after 3000 cycles at 5 A g-1and outstanding rate performance up to 10 A *** large-areal pouch cell is stabilized for hundreds of cycles,highlighting the bright prospects of the dielectric but ion-conductive layer in further application of AZMBs.

关键词： Zn metal battery Dielectric artificial layer Rapid ion diffusion Zincophilic diffusion Active water inhibition

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Flexible molecules dedicate to release strain of inverted inorganic perovskite solar cell

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Journal of Energy Chemistry 2025年第1期100卷 87-93页

作者： Hongrui Sun Sanlong Wang Pengyang Wang Yali Liu Shanshan Qi Biao Shi Ying Zhao Xiaodan Zhang institute of Photoelectronic Thin Film devices and Technology Renewable Energy Conversion and Storage Center State Key Laboratory of Photovoltaic Materials and CellsNankai University Key Laboratory of Photoelectronic Thin Film devices and Technology of Tianjin Haihe Laboratory of Sustainable Chemical Transformations Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

The tensile strain in inorganic perovskite films induced by thermal annealing is one of the primary factors contributing to the inefficiency and instability of inorganic perovskite solar cells （IPSCs）,which reduces the defect formation ***,a flexible molecule 5-maleimidovaleric acid （5-MVA） was introduced as a strain buffer to release the residual strain of *** anhydride and carboxyl groups in 5-MVA interact strongly with the uncoordinated Pb2+through Lewis acid-base reaction,thus tightly“pull”the perovskite *** in-between soft carbon chain increased the structural flexibility of CsPbI2.85Br0.15perovskite materials,which effectively relieved the intrinsic internal strain of CsPbI2.85Br0.15,resisted the corrosion of external strain,and also reduced the formation of defects such as VIand *** addition,the introduction of 5-MVA improved crystal quality,passivated residual defects,and narrowed energy level ***,power conversion efficiency （PCE） of NiOxbased inverted IPSCs increased from 19.25% to 20.82% with the open-circuit voltage enhanced from 1.164 V to 1.230 *** release of strain also improved the stability of CsPbI2.85Br0.15perovskite films and devices.

关键词： Inverted inorganic perovskite solar cells Flexible molecules Strain release Crystallization Energy barrier High PCE

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Polarized upconversion emission at metasurface

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Light(Science & Applications) 2023年第11期12卷 2277-2279页

作者： Zhichao Yang Dayong Jin institute for biomedical materials&devices Faculty of ScienceUniversity of Technology SydneyUltimoNSW 2007Australia

Leveraging the resonant modes of all-dielectric metasurfaces,specifically quasi-bound state in the continuum and Mie resonances,the precise orthogonal polarization control has been realized.

关键词： resonant precise dielectric

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Replacing alkyl side chain of non-fullerene acceptor with siloxane-terminated side chain enables lower surface energy towards optimizing bulk-heterojunction morphology and high photovoltaic performance

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Science China Chemistry 2021年第7期64卷 1208-1218页

作者： Rihang Qiu Zhuhao Wu Suhan Li Haiying Jiang Qian Wang Yinchu Chen Xuanchen Liu Lianjie Zhang Junwu Chen State Key Laboratory of Luminescent materials&devices Institute of Polymer Optoelectronic Materials&DevicesGuangzhou 510640China South China University of Technology South China Institute of Collaborative InnovationDongguan 523808China

Towards a good control of the morphology of bulk-heterojunction(BHJ)active layers for polymer solar cells(PSCs),selecting an appropriate side chain for a polymer donor and a nonfullerene acceptor(NFA)is very *** this work,two novel NFAs i-IE-4F and i-IESi-4 F comprising alkyl and siloxane-terminated side chains on the central indacenodithiophene(IDT)core,respectively,were *** the siloxane-terminated side chain to i-IESi-4 F affords surface energy(γ)of33.32 mN/m,much lower than that of 39.83 mN/m for i-IE-4F,supplying a big chance to tune miscibility with a polymer *** fluorobenzotriazole-based polymer donors J52 and PBZ-2Si bearing alkyl and siloxane-terminated side chains,respectively,showγvalues of 36.08 and 33.10 mN/m,*** estimated Flory-Huggins interaction parameters(χD,A)indicate that the i-IESi-4 F is more miscible than i-IE-4F in pairing with J52 or *** resulting i-IESi-4 F-based blend film exhibits low film roughness and accompanies obviously improved BHJ *** PSCs,the J52:i-IESi-4F and PBZ-2Si:i-IESi-4 F active layers display power conversion efficiencies(PCEs)of 12.67%and 14.54%,respectively,all remarkably higher than PCEs≤7.34%of the i-IE-4F-based active ***,the PBZ-2Si:i-IESi-4 F active layer,a donor:acceptor blend system comprising siloxane-terminated side chains(DSi:ASimatching)with the highest BHJ miscibility due to the combinatory effect of the side chains,shows the highest efficiency,as supported by efficient exciton dissociation,the lowest bimolecular recombination,and the optimal charge *** results demonstrate that attaching siloxane-terminated side chains to NFAs,as a side chain engineering,has big potential in lowering their surface energy towards fine control of BHJ morphology and leading to a better donor:acceptor blend system.

关键词： terminated acceptor donor

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Metal-polyphenol-network coated CaCO_(3)as pH-responsive nanocarriers to enable effective intratumoral penetration and reversal of multidrug resistance for augmented cancer treatments

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Nano Research 2020年第11期13卷 3057-3067页

作者： Ziliang Dong Yu Hao Quguang Li Zhijuan Yang Yujie Zhu Zhuang Liu Liangzhu Feng institute of Functional Nano&Soft materials Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou215123China

Construction of multifunctional stimuli-responsive nanotherapeutics enabling improved intratumoral penetration of therapeutics and reversal of multiple-drug resistance(MDR)is potent to achieve effective cancer ***,we report a general method to synthesize pH-dissociable calcium carbonate(CaCO_(3))hollow nanoparticles with amorphous CaCO_(3)as the template,gallic acid(GA)as the organic ligand,and ferrous ions as the metallic center via a one-pot coordination *** obtained GA–Fe@CaCO_(3)exhibits high loading efficiencies to both oxidized cisplatin prodrug and doxorubicin,yielding drug loaded GA-Fe@CaCO_(3)nanotherapeutics featured in pH-responsive size shrinkage,drug release,and Fenton catalytic *** to nonresponsive GA-Fe@silica nanoparticles prepared with silica nanoparticles as the template,such GA-Fe@CaCO_(3)confers significantly improved intratumoral penetration ***,both types of drug-loaded GA–Fe@CaCO_(3)nanotherapeutics exhibit synergistic therapeutic efficacies to corresponding MDR cancer cells because of the GA–Fe mediated intracellular oxidative stress amplification that could reduce the efflux of engulfed drugs by impairing the mitochondrial-mediated production of adenosine triphosphate(ATP).As a result,it is found that the doxorubicin loaded GA-Fe@CaCO_(3)exhibits superior therapeutic effect towards doxorubicin-resistant 4T1 breast tumors via combined chemodynamic and *** work highlights the preparation of pH-dissociable CaCO_(3)-based nanotherapeutics to enable effective tumor penetration for enhanced treatment of drug-resistant tumors.

关键词： self-templated synthesis gallic acid(GA)–Fe@calcium carbonate(CaCO_(3))hollow nanoparticles reactive oxygen species(ROS)generation and chemodynamic therapy improved intratumoral penetration reversal of multi-drug resistance

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External-force-driven solution epitaxy of large-area 2D organic single crystals for high-performance field-effect transistors

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Nano Research 2019年第11期12卷 2796-2801页

作者： Jinwen Wang Wei Deng Wei Wang Ruofei Jia Xiuzhen Xu Yanling Xiao Xiujuan Zhang Jiansheng Jie Xiaohong Zhang institute of Functional Nano&Soft materials(FUNSOM) jilngsu Key Laboratory for Carbon Based Functional Materials&DevicesSoochow UniversitSuzhou 215123China

Growth of two-dimensional(2D)organic single crystals(2DOSCs)on water surface has attracted increasing attention,because it can serve as a molecularly flat and defect-free ***,large-area growth of 2DOSCs with controllable crystal orientation on water surface remains a key ***,we develop a simple method,***-force-driven solution epitaxy(EFDSE),for the large-area growth of 2DOSCs at air/water *** 2,7-didecylbenzothienobenzothiophene(C1o-BTBT)as an example,high-quality 2D C10-BTBT crystals on centimeter scale are generated by directionally controlling the spreading of organic solution on water surface with external *** from the controllable crystal orientation with optimal charge transport,the corresponding 2DOSC-based organic field-effect transistors(OFETs)exhibit a high carrier mobility of 13.5 cm^2·V^-1·s^-1(effective mobility=5.4 cm^2·V^-1·s^-1 according to a reliability factor of 40%),which represents the best result achieved for water-surface-assembled 2DOSC based ***,by transterring the C1o-BTBT 2DOSCs to flexible substrates,devices with excellent bending stability are *** is anticipated that our method will provide new insight into the controllable growth of large-area 2DOSCs for high-performance organic devices.

关键词： external-force-driven solution epitaxy two-dimensional organic single crystals high mobility organic field-effecet transistors

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Nanoparticle accumulation in liver may induce resistance to immune checkpoint blockade therapy

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Nano Research 2023年第4期16卷 5237-5246页

作者： Huaxing Dai Qianyu Yang Rong Sun Yue Zhang Qingle Ma Yifan Shen Beilei Wang Yitong Chen Jialu Xu Bo Tian Fang Xu Chao Wang institute of Functional Nano&Soft materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China

Despite immune checkpoint blockade(ICB)therapy has transformed cancer treatment,only 20.2%of these patients achieved a *** resistance mechanisms to ICB is important for the treatment of a wider *** this work,we occasionally found that the silica nanoparticles(SiO_(2)NPs)accumulated in the liver can induce resistance to following ICB therapy to a subcutaneous tumor in *** analysis of T cells frequency,we uncovered that SiO_(2)NPs in the liver resulted in a siphoning of T cells from circulation to the liver by produced *** addition,liver immunosuppressive cells further inhibit the function and induce apoptosis of recruited T cells,leading to a systemic loss and reduced tumor infiltration of T cells,which contributes to poor responses to ICB ***,such effect is not observed in poly(lactic-co-glycolic acid)(PLGA)NPs treated mice under the same conditions,likely due to their much lower immunogenicity in perturbing the liver immune microenvironment,indicating that cancer is not a local disease but an ecosystem that is linked to the distal *** further provide a new mechanism insight into ICB resistance induced by liver accumulation of nanoparticles.

关键词： liver induce resistance

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One-step growth of large-area silicon nanowire fabrics for high-performance multifunctional wearable sensors

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Nano Research 2019年第11期12卷 2723-2728页

作者： Bing-Chang Zhang Jian-Sheng Jie Zhi-Bin Shao Si-Yi Huang Le He Xiao-Hong Zhang institute of PFunctional Nano&Soft materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China

Silicon nanowire(SiNW)fabrics are of great interest for fabricating high-performance multifunctional wearable ***,it remains a big challenge to fabricate high-quality SiNW fabrics in a simple and efficient *** we report,for the first time,one-step growth of large-area SiNW fabrics for multifunctional wearable sensors,by using a massive metal-assisted chemical vapor deposition(CVD)*** bulk Sn as a catalyst source,numerous millimeter-long SiNWs grow and naturally interweave with each other,forming SiNw fabrics over 80 cm2 in one *** addition to intrinsic electronic properties of Si materials,the SiNw fabrics also feature high flxibility,good tailorability and light weight,rendering them ideal for fabricating multifunctional wearable *** prototype sensors based on the SiNW fabrics could efectively detect various stimuli including temperature,light,strain and pressure,with outstanding performance among reported multifunctional *** further demonstrate the integration of the prototype sensors onto the body of a robot,enabling its perception to various environmental *** ability to prepare high-quality SiNW fabrics in a simple and eficient manner will stimulate the development of wearable devices for applications in portable electronics,Internet of Things,health care and robotics.

关键词： silicon nanowires fabrics wearable devices multifunctional wearable sensors

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Improved performance of organic light-emitting diodes with dual electron transporting layers

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Chinese Physics B 2012年第6期21卷 448-450页

作者：焦志强吴晓明华玉林穆雪毕文涛白娟娟印寿根 institute of Physical materials School of Materials Science and EngineeringTianjin University of Technology Key Laboratory of Display materials&Photoelectric devices(Tianjin University of Technology) Ministry of Education Tianjin Key Laboratory for Photoelectric materials&devices

In this study the performance of organic light-emitting diodes （OLEDs） are enhanced significantly, which is based on dual electron transporting layers （13phen/CuPc）. By adjusting the thicknesses of Bphen and CuPc, the maximal luminescence, the maximal current efficiency, and the maximal power efficiency of the device reach 17570 cd/m^2 at 11 V, and 5.39 cd/A and 3.39 lm/W at 3.37 mA/cm^2 respectively, which are enhanced approximately by 33.4%, 39.3%, and 68.9%, respectively, compared with those of the device using Bphen only for an electron transporting layer. These results may provide some valuable references for improving the electron injection and the transportation of OLED.

关键词： organic light-emitting diodes dual electron transporting layers CuPc

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A photoactive process cascaded electrocatalysis for enhanced methanol oxidation over Pt-MXene-TiO2 composite

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Nano Research 2020年第10期13卷 2683-2690页

作者： Yue Sun Yunjie Zhou Yan Liu Qingyao Wu Mengmeng Zhu Hui Huang Yang Liu Mingwang Shao Zhenhui Kang institute of Functional Nano and Soft materials Laboratory(FUNSOM) Jiangsu Key Laboratory for Carbon Based Functional Materials&DevicesSoochow UniversitySuzhou 215123China

Highly efficient photo-assisted electrocatalysis for methanol oxidation reaction(MOR)realizes the conversion of solar and chemical energy into electric energy *** we report a Pt-MXene-TiO2 composite for highly efficient MOR via a photoactive cascaded electro-catalytic *** light(UV and visible light)irradiation,MXene-TiO2 serves as the photo active centre(photoinduced hole)to activate the methanol molecules,while Pt particles are the active centre for the following electro-catalytic oxidation of those activated methanol ***-MXene-TiO2 catalyst exhibits a lower onset potential(0.33 V)and an impressive mass activity of 2,750.42 mA·mg^−1 Pt under light *** represents the highest MOR activity ever reported for photo-assisted ***-MXene-TiO2 also shows excellent CO tolerance ability and stability,in which,after long-term(5,000 s)reaction,still keeps a high mass activity of 1,269.81 mA·mg−1Pt(62.66%of its initial activity).The photo-electro-catalytic system proposed in this work offers novel opportunities for exploiting photo-assisted enhancement of highly efficient and stable catalysts for MOR.

关键词： photoactive process electrocatalysis cascade photoelectrochemistry methanol oxidation reaction

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