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Solvent engineering towards scalable fabrication of high-quality perovskite films for efficient solar modules

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Journal of Energy Chemistry 2023年第5期80卷 689-710,I0015页

作者： Zhaoyi Jiang Binkai Wang Wenjun Zhang Zhichun Yang Mengjie Li Fumeng Ren Tahir Imran Zhenxing Sun Shasha Zhang Yiqiang Zhang Zhiguo Zhao Zonghao Liu Wei Chen Wuhan National Laboratory for Optoelectronics(WNLO) Huazhong University of Science and Technology(HUST)Wuhan 430074HubeiChina China-EU Institute for Clean and Renewable Energy(ICARE) Huazhong University of Science and Technology(HUST)Wuhan 430074HubeiChina State Key Lab of Quantum Optics and Quantum Optics Devices Institute of Laser SpectroscopyShanxi UniversityTaiyuan 030006ShanxiChina Collaborative Innovation Center of Extreme Optics Shanxi UniversityTaiyuan 030006ShanxiChina Huaneng Clean Energy Research Institute BeijingChina School of Materials Science and Engineering&Henan Institute of Advanced Technology Zhengzhou UniversityZhengzhou 450001HenanChina

Over the last decade,remarkable progress has been made in metal halide perovskite solar cells(PSCs),which have been a focus of emerging photovoltaic techniques and show great potential for ***,the upscaling of small-area PSCs to large-area solar modules to meet the demands of practical applications remains a significant *** scalable production of high-quality perovskite films by a simple,reproducible process is crucial for resolving this ***,the crystallization behavior in the solution-processed fabrication of perovskite films can be strongly influenced by the physicochemical properties of the precursor inks,which are significantly affected by the employed solvents and their interactions with the ***,a comprehensive understanding of solvent engineering for fabricating perovskite films over large areas is urgently *** this paper,we first analyze the role of solvents in the solution-processed fabrication of large-area perovskite films based on the classical crystal nucleation and growth *** efforts in solvent engineering to improve the quality of perovskite films for solar modules are ***,the basic principles and future challenges of solvent system design for scalable fabrication of high-quality perovskite films for efficient solar modules are proposed.

关键词： Solvent engineering scalable fabrication Perovskite film Solar cell Module

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In-situ scalable fast fabrication of Cu-Cu_(2+1)O nanorods for highly efficient electrocatalytic reduction into ammonia under neutral medium

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Journal of Materials Science & Technology 2023年第24期155卷 111-118页

作者： Sai Huang Ao Wang Xin-Yue Dong Jin-Kun Li Yan Meng Jun-Ling Song International Joint Research Center for Photoresponsive Molecules and Materials School of Chemical and Material EngineeringJiangnan UniversityWuxi 214122China

The development of a highly efficient and durable electrocatalyst for nitrate reduction reaction(NO_(3)RR)wastewater valorization to ammonia(NH_(3))is a promising ***,it is challenging to design scalable low-cost electrocatalysts with high activity,high selectivity,and long-term stability by a facile and simple ***,we construct this scalable Cu-based nanoarray with muti-oxidation states grown directly on nickel foam(NF)substrate(Cu_(2+1)O@Cu/NF)using a facile molten salt method combined in-situ electrochemical *** as-prepared Cu_(2+1)O@Cu/NF nanoarrays reveal a high NH_(3) yield of 20.14 mg h^(−1) cm^(−2) at−0.95 V vs.a reversible hydrogen electrode(***),Faradaic efficiency of 99.38%at−0.55 V *** in the neutral potassium phosphate(PBS)buffer solution with 50 mM NaNO_(3),which is ascribed to its electron redistribution with abundant oxygen vacancies and favorable charge/mass transfer.

关键词： Cu-Cu2+1O nanorods with multi-oxidation states High NH3 yield Molten salt method Neutral medium Nitrate electrochemical reduction scalable fabrication

A general aerosol-assisted biosynthesis of functional bulk nanocomposites

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National Science Review 2019年第1期6卷 64-73页

作者： Qing-Fang Guan Zi-Meng Han Tong-Tong Luo Huai-Bin Yang Hai-Wei Liang Si-Ming Chen Guang-Sheng Wang Shu-Hong Yu Division of Nanomaterials & Chemistry Hefei National Laboratory for Physical Sciences at the MicroscaleDepartment of Chemistry University of Science and Technology of China School of Chemistry and Environment Beihang University CAS Center for Excellence in Nanoscience Collaborative Innovation Center of Suzhou Nano Science and Technology Hefei Science CenterDepartment of Chemistry University of Science and Technology of ChinaHefei 230026 China3.School of Chemistry and EnvironmentBeihang University

Although a variety of nanoparticles with better-than-bulk material performances can be synthesized, it remains a challenge to scale the extraordinary properties of individual nanoscale units to the macroscopic level for bulk nanostructured materials. Here, we report a general and scalable biosynthesis strategy that involves simultaneous growth of cellulose nanofibrils through microbial fermentation and co-deposition of various kinds of nanoscale building blocks(NBBs) through aerosol feeding on solid culture substrates. We employ this biosynthesis strategy to assemble a wide range of NBBs into cellulose nanofibril-based bulk nanocomposites. In particular, the biosynthesized carbon nanotubes/bacterial cellulose nanocomposites that consist of integrated 3D cellulose nanofibril networks simultaneously achieve an extremely high mechanical strength and electrical conductivity, and thus exhibit outstanding performance as high-strength lightweight electromagnetic interference shielding materials. The biosynthesis approach represents a general and efficient strategy for large-scale production of functional bulk nanocomposites with enhanced performances for practical applications. Industrial-scale production of these bulk nanocomposite materials for practical applications can be expected in the near future.

关键词： bacterial cellulose nanoscale building blocks biosynthesis electromagnetic shielding scalable fabrication

Nanoimprint lithography for high-throughput fabrication of metasurfaces

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Frontiers of Optoelectronics 2021年第2期14卷 229-251页

作者： Dong Kyo OH Taejun LEE Byoungsu KO Trevon BADLOE Jong G.OK Junsuk RHO Department of Mechanical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673.Republic of Korea Department of Mechanical and Automotive Engineering Seoul National University of Science and Technology(SEOULTECH)Seoul 01811Republic of Korea Department of Chemical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea

Metasurfaces are composed of periodic subwavelength nanostructures and exhibit optical properties that are not found in *** have been widely investigated for optical applications such as holograms,wavefront shaping,and structural color printing,however,electron-beam lithography is not suitable to produce large-area metasurfaces because of the high fabrication cost and low *** alternative optical technologies,such as holographic lithography and plasmonic lithography,can overcome these drawbacks,such methods are still constrained by the optical diffraction *** break through this fundamental problem,mechanical nanopatteming processes have been actively studied in many fields,with nanoimprint lithography(NIL)coming to the *** NIL replicates the nanopattem of the mold regardless of the diffraction limit,NIL can achieve sufficiently high productivity and patterning resolution,giving rise to an explosive development in the fabrication of *** this review,we focus on various NIL technologies for the manufacturing of ***,we briefly describe conventional NIL and then present various NIL methods for the scalable fabrication of *** also discuss recent applications of NIL in the realization of ***,we conclude with an outlook on each method and suggest perspectives for future research on the high-throughput fabrication of active metasurfaces.

关键词： nanoimprint scalable fabrication large-area metasurface tailored nanostructure hierarchical nanostructures

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