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Perovskite-based low-cost and high-efficiency hybrid halide solar cells

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Photonics Research 2014年第5期2卷 111-120页

作者： jiandong Fan baohua jia Min Gu Centre for Micro-Photonics Faculty of ScienceEngineering and TechnologySwinburne University of TechnologyHawthornVictoria 3122Australia

A cost-effective and high-throughput material named perovskite has proven to be capable of converting 15.9%of the solar energy to electricity,compared to an efficiency of 3.8%that was obtained only four years *** has already outperformed most of the thin-film solar cell technologies that researchers have been studying for ***,the architecture of perovskite solar cells has been simplified from the traditional dye-sensitized solar cells to planar-heterojunction solar ***,the performance of perovskite in solar cells has attracted intensive attention and ***,many transformative steps will be put forward over the coming few *** this review,we summarize the recent exciting development in perovskite solar cells,and discuss the fundamental mechanisms of perovskite materials in solar cells and their structural *** addition,future directions and prospects are proposed toward high-efficiency perovskite solar cells for practical applications.

关键词： perovskite halide simplified

Two-photon reduction： a cost-effective method for fabrication of functional metallic nanostructures

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Science China(Physics,Mechanics & Astronomy) 2017年第3期60卷 25-41页

作者： Sahar Tabrizi YaoYu Cao Han Lin baohua jia Centre for Micro-Photonics Faculty of Science Engineering and Technology Swinburne University of Technology Hawthorn Victoria 3122 Australia

Metallic nanostructures have underpinned plasmonic-based advanced photonic devices in a broad range of research fields over the last decade including physics, engineering, material science and bioscience, The key to realizing functional plasmonie resonances that can manipulate light at the optical frequencies relies on the creation of conductive metallic structures at the nanoscale with low structural defects. Currently, most plasmonic nanostructures are fabricated either by electron beam lithography （EBL） or by focused ion beam （FIB） milling, which are expensive, complicated and time-consuming. In comparison, the direct laser writing （DLW） technique has demonstrated its high spatial resolution and cost-effectiveness in three-dimensional fabrication of micro/nanostrucmres. Furthermore, the recent breakthroughs in superresolution nanofabrication and parallel writing have significantly advanced the fabrication resolution and throughput of the DLW method and made it one of the promising future nanofabrication technologies with low-cost and scalability. In this review, we provide a comprehensive summary of the state-of-the-art DLW fabrication technology for nanometer scale metallic structures. The fabrication mechanisms, different material choices, fabrication capability, including resolution, conductivity and structure surface smoothness, as well as the characterization methods and achievable devices for different applications are presented. In particular, the development trends of the field and the perspectives for future opportunities and challenges are provided at the end of the review. It has been demonstrated that the quality of the metallic structures fabricated using the DLW method is excellent compared with other methods providing a new and enabling platform for functional nanophotonic device fabrication.

关键词： two photon photoreduction metallic nanostructures nanofabrication plasmonics

Redox-etching induced porous carbon cloth with pseudocapacitive oxygenic groups for flexible symmetric supercapacitor

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Journal of Energy Chemistry 2022年第1期31卷 136-143,I0005页

作者： Xu Han Zi-Hang Huang Fanjin Meng baohua jia Tianyi Ma Institute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning ProvinceCollege of ChemistryLiaoning UniversityShenyang 110036LiaoningChina Centre for Translational Atomaterials School of ScienceSwinburne University of TechnologyHawthornVIC 3122Australia

Constructing high-performance electrodes with both wide potential window(e.g.≥2 V in aqueous electrolyte)and excellent mechanical flexibility represents a great challenge for *** of the outstanding conductivity and flexibility,carb on cloth(CC)has show n unlimited prospects for constructing flexible electrodes,but is rarely used directly as electrode material due to its electrochemical inertness and small specific surface *** tackle these two critical limitations,we design a novel redox-etching strategy to synthesize CC-based electrode with 3D interconnecting pore *** sponge-like highly porous CC was further activated by strong oxidant to form abundant oxygenic groups,which occupy the interior and surface of current collector to render substantial *** as-synthesized CC electrode yielded an impressive capacitance of 4035 mF cm^(-2) at 3 mA cm^(-2) and satisfying cycling durability in a wide potential range of-1-1 V ***,which surpass the majority of reported CC-based electrodes.A symmetric supercapacitor with stable voltage of 2 V is assembled and delivers remarkable energy density of 6.57 mWh cm^(-3).Significantly,the device demonstrates an unparalleled flexibility with no capacitive decay after 100 bending *** facile chemical etching and post-treatment processes are designed for large-scale manufacturing of the CC electrodes by providing high surface area and abundant electrochemically active sites,promising for industry *** innovative synthetic strategy ope ns up new opportunities for high-performance flexible en ergy storage.

关键词： Porous carbon fiber Hierarchical pores Oxygenic groups Wide potential window High-performance supercapacitors

Exceeding the limit of plasmonic light trapping in textured screen-printed solar cells using Al nanoparticles and wrinkle-like graphene sheets

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Light(Science & Applications) 2013年第1期2卷 107-112页

作者： Xi Chen baohua jia Yinan Zhang Min Gu Centre for Micro-Photonics Faculty of Engineering and Industrial SciencesSwinburne University of TechnologyHawthornVictoria 3122Australia

The solar cell market is predominantly based on textured screen-printed solar *** to parasitic absorption in nanostructures,using plasmonic processes to obtain an enhancement that exceeds 2.5%of the short-circuit photocurrent density is *** this paper,a 7.2%enhancement in the photocurrent density can be achieved through the integration of plasmonic Al nanoparticles and wrinkle-like graphene *** the first time,we experimentally achieve Al nanoparticle-enhanced solar *** innovative thermal evaporation method is proposed to fabricate low-coverage Al nanoparticle arrays on solar *** to the ultraviolet(UV)plasmon resonance of Al nanoparticles,the performance enhancement of the solar cells is significantly greater than that from Ag ***,we deposit wrinkle-like graphene sheets over the Al nanoparticle-enhanced solar *** with planar graphene sheets,the bend carbon layer also exhibits a broadband light-trapping *** results exceed the limit of plasmonic light trapping in textured screen-printed silicon solar cells.

关键词： Al nanoparticles plasmonic light trapping screen-printed solar cells wrinkle-like graphene sheets

Surface and interface chemistry in metal‐free electrocatalysts for electrochemical CO_(2) reduction

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SmartMat 2022年第1期3卷 5-34页

作者： Wei Zhang baohua jia Xue Liu Tianyi Ma Institute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced MaterialsCollege of ChemistryLiaoning UniversityShenyangLiao NingChina Centre for Translational Atomaterials Swinburne University of TechnologyHawthornVictoriaAustralia The Australian Research Council(ARC)Industrial Transformation Training Centre in Surface Engineering for Advanced Materials(SEAM) Swinburne University of TechnologyHawthornVictoriaAustralia School of Science RMIT UniversityMelbourneVictoriaAustralia

The electrochemical reduction of carbon dioxide(CO_(2))into value‐added fuels and chemicals presents a sustainable route to alleviate CO_(2) emissions,promote carbon‐neutral cycles and reduce the dependence on fossil *** the thermodynamic stability of the CO_(2) molecule and sluggish reaction kinetics,it is still a challenge to design highly efficient electrocatalysts for the CO_(2) reduction reaction(CO_(2)RR).It has been found that the surface and interface chemistry of electrocatalysts can modulate the electronic structure and increase the active sites,which is favorable for CO_(2) adsorption,electron transfer,mass transport,and optimizing adsorption strength of reaction ***,the effect of surface and interface chemistry on metal‐free electrocatalysts(MFEs)for CO_(2)RR has not been comprehensively ***,we discuss the importance of the surface and interface chemistry on MFEs for improving the electrochemical CO_(2)RR performance based on thermodynamic and kinetic *** fundamentals and challenges of CO_(2)RR are firstly ***,the recent advances of the surface and interface chemistry in improving reaction rate and overcoming reaction constraints are reviewed from regulating electronic structure,active sites,electron transfer,mass transport,and intermediate binding ***,the research challenges and prospects are proposed to suggest the future designs of advanced MFEs in CO_(2)RR.

关键词： electrochemical CO_(2)reduction reaction metal‐free electrocatalysts surface and interface chemistry

Electrocatalytic CO_(2) reduction towards industrial applications

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Carbon Energy 2023年第1期5卷 154-180页

作者： Dezhi Xu Kangkang Li baohua jia Wenping Sun Wei Zhang Xue Liu Tianyi Ma Liaoning Province Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials Liaoning UniversityShenyangLiaoningPR China CSIRO Energy Mayfield WestNew South WalesAustralia College of Engineering Peking UniversityBeijingChina School of Science RMIT UniversityMelbourneVictoriaAustralia School of Materials Science and Engineering State Key Laboratory of Clean Energy UtilizationZhejiang UniversityHangzhouZhejiangPR China

Recently,research on the electrocatalytic CO_(2) reduction reaction(eCO_(2)RR)has attracted considerable attention due to its potential to resolve environmental problems caused by CO_(2) while utilizing clean energy and producing high‐value‐added *** theoretical research in the lab has demonstrated its feasibility and ***,industrialization is mandatory to realize the economic and social value of eCO_(2)*** industrial application of eCO_(2)RR,more criteria have been proposed for eCO_(2)RR research,including high current density(above 200 mA cm^(−2)),high product selectivity(above 90%),and long‐term *** fulfill these criteria,the eCO_(2)RR system needs to be systematically designed and *** this review,recent research on eCO_(2)RR for industrial applications is *** review starts with focus on potential industrial catalysts in eCO_(2)***,potential industrial products are proposed in eCO_(2)*** products,including carbon monoxide,formic acid,ethylene,and ethanol,all have high market demand,and have shown high current density and product selectivity in theoretical ***,the innovative components and strategy for industrializing the eCO_(2)RR system are also highlighted here,including flow cells,seawater electrolytes,solid electrolytes,and a two‐step ***,some instructions and possible future avenues are presented for the prospects of future industrial application of eCO_(2)RR.

关键词： carbon dioxide reduction carbon neutral electrocatalysis industrial application

Diffraction-Limited Imaging with a Graphene Metalens

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Chinese Physics Letters 2020年第10期37卷 54-60页

作者： Xueyan Li Han Lin Yuejin Zhao baohua jia Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology School of Optics and PhotonicsBeijing Institute of TechnologyBeijing 100081China Centre for Translational Atomaterials Swinburne University of Technology.P.O.Box 218HawthornVIC 3122Australia The Australian Research Council(ARC)Industrial Transformation Training Centre in Surface Engineering for Advanced Materials(SEAM) Swinburne University of TechnologyP.O.Box 218HawthornVIC 3122Australia

Planar graphene metalens has demonstrated advantages of ultrathin thickness(200 nm),high focusing resolution(343 nm)and efficiency(>32%)and robust mechanical strength and ***,diffraction-limited imaging with such a graphene metalens has not been realized,which holds the key to designing practical integrated imaging *** this work,the imaging rule for graphene metalenses is first derived and theoretically verified by using the Rayleigh-Sommerfeld diffraction theory to simulate the imaging performance of the 200 nm ultrathin graphene *** imaging rule is applicable to graphene metalenses in different immersion media,including water or *** on the theoretical prediction,high-resolution imaging using the graphene metalens with diffraction-limited resolution(500 nm)is demonstrated for the first *** work opens the possibility for graphene metalenses to be applied in particle tracking,microfluidic chips and biomedical devices.

关键词： resolution holds rule

Integrated Electrode-Electrolyte Optimization to Manufacture a Real-Life Applicable Aqueous Supercapacitor with Record-Breaking Lifespan

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Energy & Environmental Materials 2023年第4期6卷 78-88页

作者： Jichi Liu Chongchong Wu Ian D.Gates baohua jia Zihang Huang Tianyi Ma Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of ChemistryInstitute of Clean Energy ChemistryLiaoning UniversityShenyang 110036China CNOOC Institute of Chemicals and Advanced Materials Beijing 102200China Department of Chemical and Petroleum Engineering University of CalgaryCalgaryT2N1N4AB Canada School of Science RMIT UniversityMelbourne VIC 3000Australia

Aqueous supercapacitors(SCs)have been regarded as a promising candidate for commercial energy storage device due to their superior safety,low cost,and environmental ***,an age-old challenge of achieving both long electrode lifespan and qualified energy-storage property blocks their practical ***,we develop an electrode-electrolyte integrated optimization strategy to fulfill the real-life device *** optimization simultaneously regulates the nanomorphology and surface chemistry of the tungsten oxide anode,resulting in superior electrochemical performance given by an ideal“bird-nest”structure with optimal oxygen vacancy status;the anodes interact with and are protected from dissolution and structural collapse by the rationally designed hybrid electrolyte with optimized pH and facilitated cation desorption ***,a record-breaking durability of no capacitive decay after 250000 cycles is *** the basis of this integrated optimization,the first aqueous pouch SCs with real-life practicability were manufactured by a soft-package encapsulation technique,which can steadily power commercial 3 C products such as tablets and smartphones and maintain safely working against extreme *** work demonstrates the possibility of using aqueous energy storage devices with enhanced safety and lower cost to replace the commercial organic counterparts for wide range of daily applications.

关键词： integrated electrode-electrolyte optimization real-life applicable supercapacitor record-breaking lifespan

Specializing liquid electrolytes and carbon-based materials in EDLCs for low-temperature applications

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Journal of Energy Chemistry 2022年第5期31卷 580-602页

作者： Pui-yan Hung Huihui Zhang Han Lin Qiaoshi Guo Kin-tak Lau baohua jia Centre for Translational Atomaterials Faculty of ScienceEngineering and TechnologySwinburne University of TechnologyMelbourne VIC 3122Australia SEMITRI Pty Ltd. Watson NorthMelbourne VIC 3122Australia

Electric double-layer capacitors(EDLCs) are emerging technologies to meet the ever-increasing demand for sustainable energy storage devices and systems in the 21 st Century owing to their advantages such as long lifetime, fast charging speed and environmentally-friendly nature, which play a critical part in satisfying the demand of electronic devices and systems. Although it is generally accepted that EDLCs are suitable for working at low temperatures down to-40℃, there is a lack of comprehensive review to summarize the quantified performance of EDLCs when they are subjected to low-temperature environments. The rapid and growing demand for high-performance EDLCs for auxiliary power systems in the aeronautic and aerospace industries has triggered the urge to extend their operating temperature range,especially at temperatures below-40℃. This article presents an overview of EDLC’s performance and their challenges at extremely low temperatures including the capability of storing a considerable amount of electrical energy and maintaining long-term stability. The selection of electrolytes and electrode materials is crucial to the performance of EDLCs operating at a desired low-temperature range. Strategies to improve EDLC’s performance at extremely low temperatures are discussed, followed by the future perspectives to motivate more future studies to be conducted in this area.

关键词： Electric double-layer capacitors(EDLCs) Liquid electrolytes Carbon-based materials Low-temperature applications