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self-assembled monolayer modulated Plateau-Rayleigh instability and enhanced chemical stability of silver nanowire for invisibly patterned,stable transparent electrodes

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Nano Research 2022年第5期15卷 4552-4562页

作者： Gui-Shi Liu Huajian Zheng Zijie Zeng Yexiong Wang Weidong Guo Ting Wang Heng Chen Yunsen Chen Shiqi Hu Lei Chen Yaofei Chen Weiguang Xie Bo-Ru Yang Yunhan Luo Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications Key Laboratory of Visible Light Communications of GuangzhouKey Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education InstitutesDepartment of Optoelectronic EngineeringJinan UniversityGuangzhou 510632China Siyuan Laboratory Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy MaterialsDepartment of PhysicsJinan UniversityGuangzhou 510632China State Key Laboratory of Optoelectronic Materials and Technologies School of Electronics and Information TechnologySun Yat-sen UniversityGuangzhou 510006China

Patterned silver nanowire(AgNW)networks have been widely used as transparent electrodes in many optoelectrical ***,obvious patterning visibility and poor thermostability of AgNW are still limiting its practical ***,we report self-assembled monolayer(SAM)modulated Plateau-Rayleigh instability(PRI)of AgNW,which allows invisible patterning and superior stability of the AgNW *** opposite effects of different SAMs on the PRI are identified:the alkanethiol SAMs activate surface atom diffusion while the mercaptobenzoheterocyclic(MBH)SAMs suppress the *** degradation temperature of the AgNWs can be therefore,for the first time,tuned in the range of 193-381℃,so that the AgNW network can be patterned via PRI with a tiny optical difference between the insulative and conductive regions,i.e.,patterning ***,the MBH SAMs provide AgNW with excellent durability under thermal annealing and oxidation,which enhances the maximum heating temperature of the AgNW transparent heater by over 120℃.Beyond the micro-patterning,we consider that the developed SAM strategy can be extended to other metal nanowires for stability improvement and has huge potential in nanoengineering of one-dimensional metal materials.

关键词： Plateau-Rayleigh instability self-assembled monolayer invisible patterning thermal stability

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self-assembled monolayer modified copper(Ⅰ) iodide hole transport layer for efficient polymer solar cells

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Chinese Physics B 2018年第7期27卷 601-605页

作者： Yuancong Zhong Qilun Zhang You Wei Qi Li Yong Zhang Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices Institute of Optoelectronic Material and Technology South China Normal University Guangzhou 510631 China School of Physics and Optical Information Technology Jiaying University Meizhou 514015 China

The morphology of the copper iodide （CuI） film as an inorganic p-type material has an important influence on enhancing the performance of polymer solar cells （PSCs）. A self-assembled monolayer of 3-aminopropanoic acid （C3-SAM） was used on the surface of indium tin oxide （ITO） before depositing the CuI films. Consequently, a well-distributed and smooth CuI film was formed with pinhole free and complete surface coverage. The root mean square of the corresponding CuI film was reduced from 3.63 nm for ITO/CuI to 0.77 nm. As a result, the average power conversion efficiency （PCE） of PSCs with the device structure of ITO/C3-SAM/CuI/P3HT：PC61BM/ZnO/Al increased significantly from 2.55% （best 2.66%） to 3.04% （best 3.20%） after C3-SAM treatment. This work provides an effective strategy to control the morphology of CuI films through interracial modification and promotes its application in efficient PSCs.

关键词： polymer solar cell copper(I) iodide self-assembled monolayer morphology

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self-assembled monolayer of Mixed Gold and Nickel Nanoparticles

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Nano-Micro Letters 2012年第3期4卷 166-171页

作者： Yanni Jie Huiqing Fan Wei You State Key Laboratory of Solidification Processing School of Materials ScienceNorthwestern Polytechnical University Department of Chemistry University of North Carolina at Chapel Hill

Forming a monolayer of mixed nickel and gold nanoparticles through self-assembly via simple solution processing constitutes an important step toward inexpensive nanoparticle-based carbon nanofiber *** this work,mixed gold and nickel nanoparticles were anchored on the silicon wafer using self-assembled monolayers(SAMs)as a *** of 3-mercaptopropyl trimethoxysilane(MPTS-SAMs)were formed on silicon wafer,with the exposed thiol functionality providing ligand exchange sites to form the mixed monolayer of nickel and gold nanoparticles via a two-step sequential soaking *** densities of the nickel and gold nanoparticles on the surface can be varied by adjusting the soaking sequence.

关键词： Nanoparticles self-assembled monolayer 3-mercaptopropyl trimethoxysilane Solution processing

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self-assembled monolayer of Lipoic Acid on Gold and Its Application to Rapid Determination of 2, 3, 7, 8-Tetrachlorodibenzo-p-Dioxin

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Transactions of Tianjin University 2013年第4期19卷 248-254页

作者：刘宪华杨娇凤张林刘洪喜鲁逸人 School of Environmental Science and Engineering Tianjin University Tianjin Binhai Environmental Industry Development Co. Ltd.

Lipoic acid (LA) has received great attention in the area of gold surface functionalization. In this study, LA was employed as a linker for the attachment of antibody to the gold surface of surface plasmon resonance (SPR) chip. By using this chip in a homemade SPR immunosensor, low molecular weight compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-TCDD) can be detected at a low level of 0.01 ng/mL. There is a good linear relationship(R2 =0.943 1) between the results of SPR biosensor and enzyme-linked immunosorbent assay(ELISA).

关键词： lipoic acid self-assembled monolayer 2,3,7,8-TCDD

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self-assembled monolayer enabling improved buried interfaces in blade-coated perovskite solar cells for high efficiency and stability

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Nano Research Energy 2022年第1期1卷 14-21页

作者： Jie Zeng Leyu Bi Yuanhang Cheng Baomin Xu Alex K.-Y.Jen Department of Materials Science and Engineering City University of Hong KongKowloon 999077Hong KongChina Department of Chemistry City University of Hong KongKowloon 999077Hong KongChina Hong Kong Institute for Clean Energy City University of Hong KongKowloon 999077Hong KongChina Department of Materials Science and Engineering Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and DevicesSouthern University of Science and TechnologyShenzhen 518055China

Despite the rapidly increased power conversion efficiency(PCE)of perovskite solar cells(PVSCs),it is still quite challenging to bring such promising photovoltaic technology to *** of the challenges is the upscaling from small-sized lab devices to large-scale modules or panels for ***,most of the efficient inverted PVSCs are fabricated on top of poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine](PTAA),which is a commonly used hole-transporting material,using spin-coating method to be incompatible with large-scale film ***,it is important to develop proper coating methods such as blade-coating or slot-die coating that can be compatible for producing large-area,high-quality perovskite thin *** is found that due to the poor wettability of PTAA,the blade-coated perovskite films on PTAA surface are often inhomogeneous with large number of voids at the buried interface of the perovskite *** solve this problem,self-assembled monolayer(SAM)-based hole-extraction layer(HEL)with tunable headgroups on top of the SAM can be modified to provide better wettability and facilitate better interactions with the perovskite coated on top to passivate the interfacial *** more hydrophilic SAM surface can also facilitate the nucleation and growth of perovskite films fabricated by blade-coating methods,forming a compact and uniform buried *** addition,the SAM molecules can also be modified so their highest occupied molecular orbital(HOMO)levels can have a better energy alignment with the valence band maxima(VBM)of *** by the high-quality buried interface of perovskite on SAM-based substrate,the champion device shows a PCE of 18.47%and 14.64%for the devices with active areas of 0.105 cm^(2) and 1.008 cm^(2),*** addition,the SAM-based device exhibits decent stability,which can maintain 90%of its initial efficiency after continuous operation for over 500 h at 40℃ in inert ***

关键词： self-assembled monolayer buried interface perovskite solar cells upscaling blade-coating

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Highly stable lithium anode enabled by self-assembled monolayer of dihexadecanoalkyl phosphate

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Nano Research 2020年第5期13卷 1324-1331页

作者： Lei Zheng Feng Guo Tuo Kang Jin Yang Ya Liu Wei Gu Yanfei Zhao Hongzhen Lin Yanbin Shen Wei Lu Liwei Chen School of Nano Technology and Nano Bionics University of Science and Technology of ChinaHefei 230026China i-Lab CAS Center for Excellence in NanoscienceSuzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123China Vacuum Interconnected Nanotech Workstation(Nano-X) Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinses Academy of Science(CAS)Suzhou 215123China In-situ Center for Physical Sciences School of Chemistry and Chemical EngineeringShanghai Jiaotong UniversityShanghai 200240China

Li has been considered as the ultimate anode material for high energy density secondary Li ***,its practical application has been limited due to its low Coulombic efficiency(CE)and the formation of lithium ***,we have developed a microspherical Li-carbon nanotube(Li-CNT)composite material passivated with octadecylphosphonic acid(OPA)self-assembled monolayer(SAM)exhibiting suppressed lithium dendrite formation and improved environmental/electrochemical *** this work,we demonstrated the significantly enhanced passivation effects of a SAM using dihexadecanoalkyl phosphate(DHP),a molecule that is comprised of double hydrophobic alkyl chains and forms a denser SAM on surfaces with large *** a result,the DHP SAM delivers superior environmental and electrochemical stability to the OPA passivated Li-CNT *** specific,the DHP passivated Li-CNT composite(DHP-Li-CNT)delivers a high CE of 99.25%under a 33.3%depth of discharge(DOD)at 1 C,when it is paired with a LiFePO4 *** evolution of the SAM during cycling and the effects of DOD and current density on the CE of the DHP-Li-CNT anode have also been *** improved SAM passivation constitutes an important step in achieving the goal of practically applicable Li anodes.

关键词： Li metal anode Li-CNT self-assembled monolayer depth of discharge Coulombic efficiency

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Tunneling Electron Induced Fluorescence from Single Porphyrin Molecules Decoupled by Striped-Phase Octanethiol self-assembled monolayer

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Chinese Journal of Chemical Physics 2016年第2期29卷 157-160,I0001页

作者：邝艳敏郁杰骆阳朱嘉哲廖源张杨董振超中国科学技术大学合肥微尺度物质科学国家实验室合肥230026

We investigate tunneling electron induced luminescence from isolated single porphyrin molecules that are decoupled by striped-phase self-assembled monolayer of octanethiol from the underneath Au（111） substrate. Intrinsic single-molecule electroluminescence has been realized by such decoupling at both bias polarities. The photon emission intensity acquired from the molecular lobe is found stronger than that from the molecular center. These re- sults provide useful information on the understanding of electroluminescent behavior and mechanism in molecular tunnel junctions.

关键词： Scanning tunneling microscope induced luminescence Plasmonics Porphyrin Octanethiol self-assembled monolayer Striped-phase

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Molecular Dynamics Simulation of the Binding Interaction between Hormone Glucagon Protein and self-assembled monolayer Molecules

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Chinese Journal of Chemistry 2007年第8期25卷 1090-1093页

作者：王焰增陈正隆石玉清甘恒全陈昶宏胡举军苏致远 National Center for High-Performance Computing Tainan742 Taiwan China Department of Chemistry National Sun Yat-Sen University Kaohsiung 804 Taiwan China Department of lnformation Management SHU-TE University Kaohsiung 804 Taiwan China Department oflnformation Management Chia Nan University of Pharmacy & Science Tainan 717 Taiwan China

Restrained molecular dynamics simulations were performed to study the binding affinity of the peptide with alkanethiols of different tail-groups, S（CH2）7CH3, S（CH2）7OH and S（CH2）7COOH, which self-assembled on Au（111） surface in the presence of water molecules. The curves of binding affinity were calculated by fixing the center of mass of the peptide at various distances from the assembling surface. Simulation results show that the binding affin- ity is in the order as COOH-SAMs〉OH-SAMs〉CH3-SAMs, while 100% COOH-SAMs〉5% COOH-SAMS in concentration. The effects on binding affinity by different tail-groups were also studied. Results show that the binding affinity between COOH-SAMs and the peptide is bigger than those of the others and increasing the acidity of COOH-SAMs will result in stronger attractive power.

关键词： alkanethiol binding affinity molecular dynamics simulations self-assembled monolayer

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Charge Transport Processes of Immobilized Heteropolyanions at self-assembled monolayer Modified Gold Electrode by Electrochemical Quartz Crystal Microbalance Measurement

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Chemical Research in Chinese Universities 2009年第4期25卷 537-542页

作者： BU Xin-yuan JIAO Lian-sheng HAN Dong-xue YANG Gui-fu State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China School of Computer Science Northeast Normal University Changchun 130024 P. R. China

The in situ electrochemical quartz crystal microbalance（EQCM） technique was used to investigate the ion transport of immobilized heteropolyanions at a self-assembled monolayer（SAM） modified gold electrode during electrochemical redox process.A mixed transfer method was presented to analyse the abnormal change of resonant frequency based on the simultaneous insertion/extraction of different *** results indicate that the migration of HSO4-anions was indispensable in the redox process of the heteropolyanions in a 1 mol/L H2SO4 solution and played a key role in the abnormal change of the resonant *** a change was attributed to different packing densities derived by means of differently immobilized methods.

关键词： Heteropolyanion Charge transport self-assembled monolayer Electrochemical quartz crystal microbalance

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Non-substituted fused bis-tetracene based thin-film transistor with self-assembled monolayer hybrid dielectrics

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Frontiers of Materials Science 2020年第3期14卷 314-322页

作者： Baolin Zhao Mikhail Feofanov Dominik Lungerich Hyoungwon Park Tobias Rejek Judith Wittmann Marco Sarcletti Konstantin Amsharov Marcus Halik Organic Materials and Devices Institute of Polymer MaterialsDepartment of Materials ScienceFriedrich-Alexander-Universität Erlangen-NürnbergIZNF BuildingCauerstraße 391058ErlangenGermany Chair of Organic Chemistry II Friedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Str.1091058ErlangenGermany Molecular Technology Innovation Presidential Endowed Chair The University of Tokyo7-3-1 HongoBunkyo-ku113-0033TokyoJapan

Polycyclic aromatic hydrocarbons with zigzag peripheries are high perspective candidates for organic ***,large fused acenes are still poorly studied due to the tedious *** we report a non-substituted fused bistetracene DBATT(2.3,8.9-dibenzanthanthrene)as the semiconductor on low-voltage-driven organic thin-film *** systematic studies of thin-film growth on various self-assembled monolayer(SAM)modified gate dielectrics and the electrical performances were carried *** sub-monolayer of the semiconductor film shows larger island domains on the alkyl chain *** device exhibits the hole mobility of 0.011 cm2·V−1·s−1 with a current ratio of IonIIoff above 105.

关键词： fused bis-tetracene organic field-effect transistor contact resistance self-assembled monolayer

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