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Chemico-biological conversion of carbon dioxide

Journal of Energy chemistry 2024年第2期89卷 371-387,I0009页

作者： Liangwei Hu Junzhu Yang Qi Xia Jin Zhang Hongxin Zhao Yuan Lu Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Sciences and MedicineZhejiang Sci-Tech UniversityHangzhou 310018ZhejiangChina Key Laboratory of Industrial Biocatalysis Ministry of EducationTsinghua UniversityBeijing 100084China department of Chemical Engineering Tsinghua UniversityBeijing 100084China College of Biological and Chemical Engineering Jiaxing UniversityJiaxing 314000ZhejiangChina

The unabated carbon dioxide(CO_(2))emission into the atmosphere has exacerbated global climate change,resulting in extreme weather events,biodiversity loss,and an intensified greenhouse *** address these challenges and work toward carbon(C)neutrality and reduced CO_(2)emissions,the capture and utilization of CO_(2)have become imperative in both scientific research and *** cutting-edge approach to achieving efficient catalytic performance involves integrating green bioconversion and chemical *** innovative strategy offers several advantages,including environmental friendliness,high efficiency,and *** study provides a comprehensive review of existing technical routes for carbon sequestration(CS)and introduces two novel CS pathways:the electrochemicalbiological hybrid and artificial photosynthesis *** also thoroughly examines the synthesis of valuable Cnproducts from the two CS systems employing different catalysts and *** both systems heavily rely on electron transfer,direct and mediated electron transfer has been discussed and summarized in ***,this study explores the conditions suitable for different catalysts and assesses the strengths and weaknesses of *** also explored the biocompatibility of the electrode materials and developed novel *** materials were specifically engineered to combine with enzymes or microbial cells to solve the biocompatibility problem,while improving the electron transfer efficiency of ***,this review summarizes the relevant systems developed in recent years for manufacturing different products,along with their respective production efficiencies,providing a solid database for development in this *** novel chemical-biological combination proposed herein holds great promise for the future conversion of CO_(2)into advanced organic ***,it offers exciting prospects for utilizing CO_(2)in synthesizing

关键词： Carbon dioxide Bioelectric synthesis artificial photosynthesis Synthetic product

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artificial photosynthesis——From Molecular Catalysts to Functional Devices for Light Driven Water Splitting

Artificial Photosynthesis——From Molecular Catalysts to Fun...

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第十五届全国光化学学术讨论会

作者：孙立成 State Key Laboratory of Fine Chemicals Institute of Artificial Photosynthesis DUT-KTH Joint Education and Research Center on Molecular Devices Dalian University of Technology （DUT） department of chemistry School of Chemical Science and Engineering KTH Royal Institute of Technology

＜正＞In photosystem Ⅱ water is oxidized to molecular oxygen at the oxygen evolving complex（OEC）driven by sunlight,and the released protons are reduced to hydrogen via *** mimic these functions of light driven water splitting,great efforts have been made to create artificial photosynthetic *** by the functions and the structures of natural water oxidation enzyme（OEC in PSII）and

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New Hole Transport Materials for Efficient Perovskite solar Cells and Solid State Dye Sensitized solar Cells

New Hole Transport Materials for Efficient Perovskite Solar ...

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第三届新型太阳能电池学术研讨会

作者： Licheng Sun State Key Lab of Fine Chemicals Institute of Artificial PhotosynthesisKTH-DUT Joint Education and Research Center on Molecular DevicesDalian University of Technology (DUT) department of chemistry School of Chemical Science and EngineeringKTH Royal Institute of Technology

Spiro-OMe TAD is a well know hole transport material(HTM) and has been intensively used in perovskite solar cells(PSCs) and solid state dye sensitized soar cells(ss DSCs).However,the complex synthetic route and purification procedures render a high synthetic cost of this *** HTMs with low cost and high efficiencies in PSCs and ss DSCs are strongly *** recently,we have developed a series of new HTMs with low *** example,a spiro[fluorene-9,9′-xanthene](SFX) based organic HTM termed X60 with a two-step synthetic route was designed and *** cells with X60 as HTM showed high power conversion efficiencies(PCEs) amounting to 7.3% in ss DSCs and to 19.8% in PSCs,respectively,under 100 m W·cm AM1.5G solar *** the best of our knowledge,this is the first example of an easily synthesized spiro structured HTM showing comparable performance with respect to the well-known HTM-Spiro-OMe TAD in both ss DSCs and *** addition,the facile synthesis of X60 with commercially available starting materials makes this HTM very promising for large-scale applications in different devices.

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Molecular doping enhances the performance of solid-state dye-sensitized solar cells based on P3HT as a hole-transporting material

Molecular doping enhances the performance of solid-state dye...

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第四届新型太阳能电池学术研讨会

作者： Jianbo Lai Ze Yu Xiaoqing Jiang Licheng Sun State Key Laboratory of Fine Chemicals Institute of Artificial PhotosynthesisDUT-KTH Joint Education and Research Center on Molecular DevicesDalian University of Technology(DUT) department of chemistry School of Chemical Science and EngineeringKTH Royal Institute of Technology

Conducting polymer poly(3-hexylthiophene-2,5-diyl)(P3HT) has attracted intense research interest as hole-transporting materials(HTMs) in solid-state dye-sensitized solar cells(ss-DSCs).Nevertheless, pristine P3HT-based devices typically exhibit relatively poor overall performance, mainly due to its relatively low ***, we have successfully incorporated tetrafluoro-tetracyano-quinodimethane(F4TCNQ) as an efficient p-type dopant for P3HT as a HTM in *** introduction of F4TCNQ(1.0%, w/w) into P3HT film results in a significant increase of the bulk conductivity(more than 20 times), which dramatically improves the photovoltaic parameters, in particular, for the short-circuit current density and fill factor, leading to impressive power conversion efficiency(PCE) of 5.0%.This is the highest reported value for P3HT-based HTMs in ***, molecualrly p-doping has been demonstrated to be an effective strategy for improving the electrical property and thereby the overall performance of ss-DSCs based on P3HT as a HTM.

关键词： Solid-state dye-sensitized solar cells Hole-transporting materials P3HT Molecularly p-doping

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artificial light-harvesting systems and their applications in photocatalysis and cell labeling

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ChemPhysMater 2022年第4期1卷 281-293页

作者： Ying Wang Ning Han Xinglong Li Shengsheng Yu Lingbao Xing School of chemistry and Chemical Engineering Shandong University of TechnologyZibo 255000China department of Materials Engineering KU LeuvenLeuven 3001Belgium

photosynthesis is the basis for the survival of organisms in nature;consequently,the fabrication of artificial light-harvesting systems(LHSs)that simulate natural photosynthesis is of significant ***,a variety of artificial LHSs have been successfully constructed using fluorescence resonance energy transfer(FRET).However,it is crucial to fabricate artificial LHSs with a sequential energy transfer process when considering that the natural photosynthetic process involves a multistep sequential energy transfer process rather than a simple one-step energy ***,many previously reported LHSs have been used as imaging agents for cell labeling and bioimaging or as catalysts in photocatalytic reactions,showing promise for applications simulating natural *** this review,we have summarized recently published representative work on artificial *** addition,the application of LHSs in photocatalysis and cell labeling has been described in detail.

关键词： Light-harvesting systems Sequential energy transfer Photocatalysis Cell labeling

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High-Performance Regular Perovskite solar Cells Employing Low-Cost Poly(ethylenedioxythiophene) as a Hole-Transporting Material

High-Performance Regular Perovskite Solar Cells Employing Lo...

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第四届新型太阳能电池学术研讨会

作者： Xiaoqing Jiang Jianbo Lai Ze Yu Licheng Sun State Key Laboratory of Fine Chemicals Institute of Artificial PhotosynthesisDUT-KTH Joint Education and Research Center on Molecular DevicesDalian University of Technology(DUT) department of chemistry School of Chemical Science and EngineeringKTH Royal Institute of Technology

Recently, organic-inorganic halide perovskites with the composition ABX[A = CHNH(MA), NH = CHNH(FA) or Cs;B = Pb or Sn;X = Cl, Br, I] have received increasing research attention as light absorbers in solid-state thin-film solar cells..The state-of-the-art high-performing PSC devices routinely incorporated hole-transporting materials(HTMs) as p-type contacts, which play a key role in extraction and collection of the photo-generated holes from the perovskites, and thus minimizing undesired recombination losses at the interfaces. Herein, we successfully applied a facile in-situ solid-state synthesis of conducting polymer poly(3,4-ethylenedioxythiophene)(PEDOT) as a HTM, directly on top of the perovskite layer, in conventional mesoscopic perovskite solar cells(PSCs)(n-i-p structure).The fabrication of the PEDOT film only involved a very simple in-situ solid-state polymerisation step from a monomer 2,5-dibromo-3,4-ethylenedioxythiophene(DBEDOT) made from a commercially available and cheap starting *** excellent power conversion efficiency(PCE) is 17.0% measured at 100 mW cm illumination(AM 1.5G).The present finding highlights the potential application of PEDOT made from solid-state polymerisation as a HTM for cost-effective and highly efficient PSCs.

关键词： Perovskite solar cells Hole-transporting materials Poly(3,4-ethylenedioxythiophene)

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Analysis of the factors controlling performances of Au-modified TiO2 nanotube array based photoanode in photo-electrocatalytic(PECa)cells

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Journal of Energy chemistry 2017年第2期26卷 284-294页

作者： Claudio Ampelli Francesco Tavella Chiara Genovese Siglinda Perathoner Marco Favaro Gabriele Centi department of Chemical BiologicalPharmaceutical and Environmental SciencesUniversity of MessinaERIC aisbl and CASPE/INSTMV.le F.Stagno d’Alcontres 3198166 MessinaItaly department of Chemical Sciences University of Paduavia Marzolo 135136 PaduaItaly department of Mathematical ComputerPhysical and Earth SciencesUniversity of MessinaERIC aisbl and CASPE/INSTMV.le F.Stagno d’Alcontres 3198166 MessinaItaly Advanced Light Source Joint Center for Artificial PhotosynthesisLawrence Berkeley National Laboratory1 Cyclotron Rd.M/S 30R0205 BerkeleyCA 94720USA.

The efficiency of photo-electrocatalytic（PECa） devices for the production of solar fuels depends on several limiting factors such as light harvesting, charge recombination and mass transport diffusion. We analyse here how they influence the performances in PECa cells having a photo-anode based on Au-modified TiOnanotube（TNT） arrays, with the aim of developing design criteria to optimize the photo-anode and the PECa cell configuration for water photo-electrolysis（splitting） and ethanol photo-reforming *** TNT samples were prepared by controlled anodic oxidation of Ti foils and then decorated with gold nanoparticles using different techniques to enhance the visible light response through heterojunction and plasmonic effects. The activity tests were made in a gas-phase reactor, as well as in a PECa cell without applied bias. Results were analysed in terms of photo-generated current, Hproduction rate and photoconversion efficiency. Particularly, a solar-to-hydrogen efficiency of 0.83% and a Faradaic efficiency of 91%were obtained without adding sacrificial reagents.

关键词： H2 production Au nanoparticles solar fuels TiO2 nanotubes Electrodeposition Photoelectrochemical cells(PEC) solar-to-hydrogen efficiency Anodic oxidation

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Semiconductor nanowires for photovoltaic and photoelectrochemical energy conversion

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Frontiers of physics 2014年第3期9卷 289-302页

作者： Nell P. Dasgupta Peidong Yang department of chemistry University of California Berkeley CA 94720 USA The Center of Excellence for Advanced Materials Research (CEAMR) Chemistry Department King Abdulaziz University Jeddah 21589 Saudi Arabia

Semiconductor nanowires (NW) possess several beneficial properties for efficient conversion of solar energy into electricity and chemical energy. Due to their efficient absorption of light, short distances for minority carriers to travel, high surface-to-volume ratios, and the availability of scalable synthesis methods, they provide a pathway to address the low cost-to-power requirements for wide-scale adaptation of solar energy conversion technologies. Here we highlight recent progress in our group towards implementation of NW components as photovoltaic and photoelectrochemical energy conversion devices. An emphasis is placed on the unique properties of these one-dimensional (1D) structures, which enable the use of abundant, low-cost materials and improved energy conversion efficiency compared to bulk devices.

关键词：半导体纳米线能量转换装置光电光伏能量转换效率少数载流子合成方法转换技术

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Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial photosynthesis

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Frontiers in Energy 2021年第3期15卷 568-576页

作者： Yuichi YAMAGUCHI Akihiko KUDO department of Applied chemistry Faculty of ScienceTokyo University of ScienceTokyo 162-8601Japan

To solve resource,energy,and environmental issues,development of sustainable clean energy system is strongly *** recent years,hydrogen has been paid much attention to as a clean *** hydrogen production by water splitting using a photocatalyst as artificial photosynthesis is a promising method to solve these *** utilization of visible light comprised of solar light is essential for practical *** strategies,i.e.,doping,control of valence band,and formation of solid solution are often utilized as the useful methods to develop visible light responsive *** minireview introduces the recent work on visible-light-driven photocatalysts developed by substitution with metal cations of those strategies.

关键词： visible light responsive photocatalyst water splitting artificial photosynthesis:metal ion substitution

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Pushing the activity of CO2 electroreduction by system engineering

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Science Bulletin 2019年第24期64卷 1805-1816页

作者： Hao Shen Zhengxiang Gu Gengfeng Zheng Laboratory of Advanced Materials Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Fudan University

As a promising technology that may solve global environmental challenges and enable intermittent renewable energy storage as well as zero-carbon-emission energy cycling, the carbon dioxide reduction reaction has been extensively studied in the past several years. Beyond the fruitful progresses and innovations in catalysts, the system engineering-based research on the full carbon dioxide reduction reaction is urgently needed toward the industrial application. In this review, we summarize and discuss recent works on the innovations in the reactor architectures and optimizations based on system engineering in carbon dioxide reduction reaction. Some challenges and future trends in this field are further discussed, especially on the system engineering factors.

关键词： CO2 reduction Electrocatalysis Flow-cell electrolyzer Catalytic reactor engineering artificial photosynthesis

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