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Molecular Structure Tailoring of Organic Spacers for High‑Performance Ruddlesden–Popper Perovskite Solar Cells

Nano-Micro Letters 2025年第2期17卷 314-357页

作者： Pengyun Liu Xuejin Li Tonghui Cai Wei Xing Naitao Yang Hamidreza Arandiyan Zongping Shao shaobin wang Shaomin Liu School of Materials Science and Engineering State Key Laboratory of Heavy Oil ProcessingChina University of Petroleum(East China)Qingdao 266580People’s Republic of China School of Chemistry and Chemical Engineering Shandong University of TechnologyZibo 255049People’s Republic of China Centre for Applied Materials and Industrial Chemistry(CAMIC) School of ScienceRMIT UniversityMelbourneVic 3000Australia WA School of Mines:Minerals Energy and Chemical Engineering(WASM‑MECE)Curtin UniversityPerthWA 6102Australia School of Chemical Engineering The University of AdelaideAdelaideSA 5005Australia School of Engineering Great Bay UniversityDongguan 523000People’s Republic of China

Layer-structured Ruddlesden–Popper(RP)perovskites(RPPs)with decent stability have captured the imagination of the photovoltaic research community and bring hope for boosting the development of perovskite solar cell(PSC)***,two-dimensional(2D)or quasi-2D RP PSCs are encountered with some challenges of the large exciton binding energy,blocked charge transport and poor film quality,which restrict their photovoltaic ***,these issues can be readily resolved by rationally designing spacer cations of *** review mainly focuses on how to design the molecular structures of organic spacers and aims to endow RPPs with outstanding photovoltaic *** firstly elucidated the important roles of organic spacers in impacting crystallization kinetics,charge transporting ability and stability of *** we brought three aspects to attention for designing organic ***,we presented the specific molecular structure design strategies for organic spacers of RPPs aiming to improve photovoltaic performance of RP *** proposed strategies in this review will provide new avenues to develop novel organic spacers for RPPs and advance the development of RPP photovoltaic technology for future applications.

关键词： Ruddlesden-Popper perovskites Low-dimensional perovskite solar cells Organic spacers Molecular structure Design strategies

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Li intercalation in an MoSe_(2) electrocatalyst:In situ observation and modulation of its precisely controllable phase engineering for a high-performance flexible Li-S battery

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Carbon Energy 2023年第2期5卷 201-215页

作者： Yunke wang Yige Zhao Kangli Liu shaobin wang Neng Li Guosheng Shao Feng wang Peng Zhang State Center for International Cooperation on Designer Low-carbon&Environmental Materials(CDLCEM) Zhengzhou UniversityZhengzhouChina Zhengzhou Materials Genome Institute(ZMGI) XingyangZhengzhouChina School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSouth AustraliaAustralia State Key Laboratory of Silicate Materials for Architecture Wuhan University of TechnologyWuhanChina Beijing Key Laboratory of Electrochemical Process and Technology for Materials Beijing University of Chemical TechnologyBeijingChina

Sophisticated efficient electrocatalysts are essential to rectifying the shuttle effect and realizing the high performance of flexible lithium-sulfur batteries(LSBs).Phase transformation of MoSe_(2) from the 2H phase to the 1T phase has been proven to be a significant method to improve the catalytic ***,precisely controllable phase engineering of MoSe_(2) has rarely been ***,by in situ Li ions intercalation in MoSe_(2),a precisely controllable phase evolution from 2H-MoSe_(2) to 1T-MoSe_(2) was *** importantly,the definite functional relationship between cut-off voltage and phase structure was first identified for phase engineering through in situ observation and modulation *** sulfur host(CNFs/1T-MoSe_(2))presents high charge density,strong polysulfides adsorption,and catalytic ***,Li-S cells based on it display capacity retention of 875.3mAh g^(-1) after 500 cycles at 1 C and an areal capacity of 8.71mAh cm^(-2) even at a high sulfur loading of 8.47mg cm^(-2).Furthermore,the flexible pouch cell exhibiting decent performance will endow a promising potential in the wearable energy storage *** study proposes an effective strategy to precisely control the phase structure of MoSe_(2),which may provide the reference to fabricate the highly efficient electrocatalysts for LSBs and other energy systems.

关键词： electrocatalysts electrospinning Li intercalation lithium-sulfur batteries phase engineering

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Boride-based electrocatalysts:Emerging candidates for water splitting

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Nano Research 2020年第2期13卷 293-314页

作者： ZhiJie Chen Xiaoguang Duan Wei Wei shaobin wang Zejie Zhang Bing-Jie Ni Centre for Technology in Water and Wastewater School of Civil and Environmental EngineeringUniversity of Technology SydneyNSW 2007Australia 2 School of Chemical Engineering and Advanced MaterialsThe University o f AdelaideSouth Australia 5005Australia 3 State Key Laboratory for Powder MetallurgyCentral South UniversityChangsha 410083China

Electrocatalytic water splitting(EWS)is a promising route to produce hydrogen in a sustainable and environment-benign *** realize the large-scale hydrogen production,it is paramount to develop desirable electrocatalysts with engineered structure,high catalytic activity,facile accessibility,low cost,and good *** late,boride-based materials,especially transition-metal borides(TMBs),are emerging as promising candidates for the EWS ***,so far,ittle attempt has been made to provide a comprehensive summary on these ***,this review provides the up-to-date status on upgrading the catalytic performance of TMB-based nanomaterials by regulating the internal and external *** conventional synthetic techniques are first presented for the preparation of TMB-based ***,the advanced strategies are summarized to enhance the catalytic performance of TMBs,including morphology control,component regulation,phase engineering,surface oxidation and ***,the design principles of TMB-based electrocatalysts for high-performance EWS are ***,the current challenges and future directions in the development of TMB-based materials are *** review article is expected to envisage insights into the TMBs-based water splitting and to provide strategies for design of the next-generation TMB-based electrocatalysts.

关键词： transition-metal borides electrocatalysts water splitting oxygen evolution reaction hydrogen evolution reaction

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Carbon-based single atom catalyst: Synthesis, characterization, DFT calculations

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Chinese Chemical Letters 2022年第2期33卷 663-673页

作者： Yanan Shang Xiaoguang Duan shaobin wang Qinyan Yue Baoyu Gao Xing Xu Shandong Key Laboratory of Water Pollution Control and Resource Reuse School of Environmental Science and EngineeringShandong UniversityJi’nan 250100China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA 5005Australia

Carbon-based single-atom catalysts(SACs) with atomic sizes of active sites have become the promising candidates for a variety of catalytic systems because of their high atom utilization, and unique electronic structures. Different types of single-atom sites can be fabricated via multiple preparation strategies, which would demonstrate distinct different coordination configurations and electronic features, and ultimately affected the structure-catalysis relationship of SACs in targeted reactions. As a result, it is necessary to identify the active sites of SACs and understand the structure-catalysis relationship of SACs at the atomic scale. In this review, a variety of preparation strategies of carbon-based SACs were documented. Then, the recent development on versatile characterization techniques and computational achievements were summarized regarding in understanding the electronic and geometric characteristics of carbon-based ***, major challenges and development directions concerning single-atom sites identification and advanced tools development are discussed to shed light on future research of carbon-based SACs.

关键词： Single atom Synthesis DFT calculations Characterization Catalysis

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Electron transfer to direct oxidation of aqueous organics by perovskites

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Nano Research 2023年第5期16卷 6316-6325页

作者： Tao Kong Yuxian wang Shenning Liu Ya Liu Menghan Zhou Bofeng Li Xiaoguang Duan Chunmao Chen shaobin wang State Key Laboratory of Heavy Oil Processing State Key Laboratory of Petroleum Pollution ControlChina University of Petroleum(Beijing)Beijing 102249China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA 5005Australia

The residual of oxidant chemicals in advanced oxidation processes(AOPs)resulted in both economic cost and secondary ***,we report a direct oxidation of phenolic pollutants induced by Ca-Mn-O perovskites without using an *** by one-electron transfer process(ETP)from the phenolics to the Ca-Mn-O perovskites,this direct oxidation proceeds in fast reaction kinetics with activation energy of 51.4 kJ/mol,which was comparable with those AOPs-based catalytic ***,mineralization and polymerization reactions occurred on the Ca-Mn-O surface and ensured the complete removal of *** high spin state Mn(III)within Ca-Mn-O structure was the dominant active site for this *** elongated axial Mn(III)–O bonds within the[MnO_(6)]octahedron facilitated the acceptance of the electrons from the phenolics and thus promoted the initiation of the direct oxidation ***(III)in the high spin state can also activate dissolved O_(2)to produce singlet oxygen(^(1)O_(2))for a fast removal of *** mixed Mn(III)/Mn(IV)within Ca-Mn-O accelerated the ETP by enhancing the electrical *** efficient Ca-Mn-O-induced ETP for removal of organic contaminants casts off the dependence on external chemical and energy inputs and provides a sustainable approach for transforming the toxic organic pollutants into value-added polymers.

关键词： Ca-Mn-O perovskites surface direct oxidation electron transfer process spin state regulation

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Amino-functionalized Zr-MOF nanoparticles for adsorption of CO_(2) and CH_(4)

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International Journal of Smart and Nano Materials 2013年第1期4卷 72-82页

作者： Hussein Rasool Abid Jin Shang Ha-Ming Ang shaobin wang Department of Chemical Engineering Curtin UniversityGPO Box U1987PerthWA 6845Australia Department of Chemical Engineering Monash UniversityClaytonVIC 3800Australia

Amino-functionalized Zr-MOF(amino-Zr-MOF)was synthesized using 2-aminoterephthalic acid as an organic *** physicochemical properties of the material were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM),thermogravimetric analysis(TGA),Fourier transform infrared spectroscopy(FTIR),and N_(2) adsorption to understand its crystalline structure,morphology,thermal stability,and porous ***_(2) adsorption isotherms on amino-Zr-MOF were obtained at 1 atm and at different *** addition,CO_(2) and CH_(4) adsorption at high pressure(up to 10 atm)was also ***_(2) adsorption capacity on amino-Zr-MOF was 9 mmol/g at 988 kPa,0℃,while CH_(4) adsorption capacity was 3.7 mmol/g at 900 kPa,0℃.The heat of CO_(2) adsorption on amino-Zr-MOF was estimated to be 29.4 kJ/*** column tests of CO_(2) adsorption were performed at different concentrations of CO_(2) in nitrogen at 20 mL/min and 0.7 g adsorbent and total adsorbed amounts of CO_(2) within the column during the breakthrough time were calculated to be 4.55,5.26 and 4.37 mmol/g at 10%,15%and 20%CO_(2),respectively.

关键词： Zr-MOF amino-Zr-MOF carbon dioxide methane adsorption

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Boron carbide boosted Fenton-like oxidation: A novel Fe(Ⅲ)/Fe(Ⅱ) circulation

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Green Energy & Environment 2020年第4期5卷 414-422页

作者： Peng Zhou Feng Cheng Gang Nie Yangyang Yang Kunsheng Hu Xiaoguang Duan Yongli Zhang shaobin wang College of Architecture&Environment Sichuan UniversityChengdu610065China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA5005Australia

The sluggish kinetics of Fe(Ⅱ)recovery in Fenton/Fenton-like reactions significantly limits the oxidation *** this study,we for the first time use boron carbide(BC)as a green and stable promotor to enhance the reaction of Fe(Ⅲ)/H_(2)O_(2) for degradation of diverse organic *** paramagnetic resonance analysis and chemical quenching/capturing experiments demonstrate that hydroxyl radicals(·OH)are the primary reactive species in the BC/Fe(Ⅲ)/H_(2)O_(2) *** situ electrochemical analysis indicates that BC remarkably boosts the Fe(Ⅲ)/Fe(Ⅱ)redox cycles,where the adsorbed Fe(Ⅲ)cations were transformed to more active Fe(Ⅲ)species with a higher oxidative potential to react with H_(2)O_(2) to produce Fe(Ⅱ).Thus,the recovery of Fe(Ⅱ)from Fe(Ⅲ)is facilitated over BC surface,which enhancesOH generation via Fenton ***,BC exhibits outstanding reusability and stability in successive cycles and avoids the secondary pollution caused by conventional organic and metalliferous ***,metal-free BC boosting Fe(Ⅲ)/H_(2)O_(2) oxidation of organics provides a green and advanced strategy for water decontamination.

关键词： Boron carbide Fenton-like reaction Hydroxyl radical Metal-free catalysis Sulfamethoxazole

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Two-dimensional nanomaterials confined single atoms: New opportunities for environmental remediation

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Nano Materials Science 2023年第1期5卷 15-38页

作者： Yu Yin Lei Shi Shu Zhang Xiaoguang Duan Jinqiang Zhang Hongqi Sun shaobin wang School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang212100China Joint International Research Laboratory of Biomass Energy and Materials College of Materials Science and EngineeringNanjing Forestry UniversityNanjing210037China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA5005Australia School of Science Edith Cowan UniversityJoondalupWA6027Australia

Two-dimensional(2D)supports confined single-atom catalysts(2D SACs)with unique geometric and electronic structures have been attractive candidates in different catalytic applications,such as energy conversion and storage,value-added chemical synthesis and environmental ***,their environmental appli-cations lack of a comprehensive summary and in-depth *** this review,recent progresses in synthesis routes and advanced characterization techniques for 2D SACs are introduced,and a comprehensive discussion on their applications in environmental remediation is ***,2D SACs can be effective in catalytic elimination of aqueous and gaseous pollutants via radical or non-radical routes and transformation of toxic pollutants into less poisonous species or highly value-added products,opening a new horizon for the contami-nant *** addition,in-depth reaction mechanisms and potential pathways are systematically discussed,and the relationship between the structure-performance is ***,several critical challenges within this field are presented,and possible directions for further explorations of 2D SACs in environmental remediation are *** the research of 2D SACs in the environmental application is still in its infancy,this review will provide a timely summary on the emerging field,and would stimulate tremendous interest for designing more attractive 2D SACs and promoting their wide applications.

关键词： Single-atom catalysis Two-dimensional material Advanced oxidation process Degradation Transformation Industrial wastewater

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A Superaerophobic Bimetallic Selenides Heterostructure for Efficient Industrial-Level Oxygen Evolution at Ultra-High Current Densities

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Nano-Micro Letters 2020年第8期12卷 213-224页

作者： Jiaxin Yuan Xiaodi Cheng Hanqing wang Chaojun Lei Sameer Pardiwala Bin Yang Zhongjian Li Qinghua Zhang Lecheng Lei shaobin wang Yang Hou Key Laboratory of Biomass Chemical Engineering of Ministry of Education College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China Institute of Zhejiang University-Quzhou Quzhou 324000People’s Republic of China Ningbo Research Institute Zhejiang UniversityNingbo 315100People’s Republic of China Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideSA 5005Australia

Cost-effective and stable electrocatalysts with ultra-high current densities for electrochemical oxygen evolution reaction(OER)are critical to the energy crisis and environmental ***,we report a superaerophobic three dimensional(3D)heterostructured nanowrinkles of bimetallic selenides consisting of crystalline NiSe2 and NiFe2Se4 grown on NiFe alloy(NiSe2/NiFe2Se4@NiFe)prepared by a thermal selenization *** this unique 3D heterostructure,numerous nanowrinkles of NiSe2/NiFe2Se4 hybrid with a thickness of ~100 nm are grown on NiFe alloy in a uniform *** by the large active surface area and high electronic conductivity,the superaerophobic NiSe2/NiFe2Se4@NiFe heterostructure exhibits excellent electrocatalytic activity and durability towards OER in alkaline media,outputting the low potentials of 1.53 and 1.54 V to achieve ultra-high current densities of 500 and 1000 mA cm^−2,respectively,which is among the most active Ni/Fe-based selenides,and even superior to the benchmark Ir/C *** in-situ derived FeOOH and NiOOH species from NiSe2/NiFe2Se4@NiFe are deemed to be efficient active sites for OER.

关键词： Superaerophobicity Bimetallic selenide Heterostructure electrocatalyst Strong interfacial coupling Oxygen evolution reaction

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Acidification and bubble template derived porous g-C_(3)N_(4) for efficient photodegradation and hydrogen evolution

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Chinese Chemical Letters 2020年第10期31卷 2668-2672页

作者： Yixuan wang Fengting He Lin Chen Jie Shang Jiajia wang Shuaijun wang Huimin Song Jinqiang Zhang Chaocheng Zhao shaobin wang Hongqi Sun State Key Laboratory of Petroleum Pollution Control China University of Petroleum(East China)Qingdao 266580China School of Engineering Edith Cowan University270 Joondalup DrivePerth WA 6027Australia China General Nuclear Power Hongda Environmental Science and Technology Co. Ltd.Jinan 250000China Dongying Municipal Bureau of Marine Development and Fisheries Dongying Municipal Marine and Fishery Environmental Monitoring CenterDongying 257091China School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaide SA 5005Australia

Graphitic carbon nitride(g-C_(3)N_(4))as a metal-free candidate of photocatalyst has received worldwide attention because of its great potentials in solar light-induced degradation and hydrogen evolution,yet the industrial application is seriously hindered by the small specific surface area and rapid recombination rate of ***,we demonstrate that porous g-C_(3)N_(4)(HCl-CNU-X)can be prepared via the copolymerization of acidified melamine and a green bubble template(urea).Transmission electron microscopy and nitrogen sorption characterization results show that the prepared HCl-CNU-X possesses an in-plane porous structure and large specific surface area,enabling the exposure of more accessible active *** a result,HCl-CNU-X exhibits both enhanced photocatalytic tetracycline hydrochloride degradation and higher hydrogen evolution than bulk g-C_(3)N_(4).The boosted photocatalytic performance was ascribed to the formation of the porous structure,which dramatically promotes the separation of charge-carriers and facilitates the electron *** work demonstrates that the acidification of nitrogen-rich precursors combined with a bubble-template can develop a new paradigm of highly porous photocatalysts for environmental remediation and water splitting.

关键词： g-C_(3)N_(4) Porous structure Tetracycline hydrochloride Hydrogen evolution Acidification and bubble template Visible light

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