Article
Chemistry, Physical
Daichi Ozaki, Hajime Suzuki, Osamu Tomita, Yoshiyuki Inaguma, Kouichi Nakashima, Hiroshi Kageyama, Ryu Abe
Summary: Bi5SrTi3O14Cl is a new photocatalyst with a triple-perovskite structure, possessing similar bandgap and valence band levels as Bi5PbTi3O14Cl, but exhibiting higher activity for O-2 evolution, indicating the detrimental effect of Pb2+ on photocatalytic activity.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2021)
Article
Chemistry, Physical
Jikun Chen, Yan Gu, Shishi Xu, Yunxiang Zhang, Zhe Zhang, Lin Shi, Zhichao Mu, Chenliang Zhou, Jiali Zhang, Qinfang Zhang
Summary: In this study, isostructural Sillen-Aurivillius oxyhalides (BFTOX) were fabricated and showed high photocatalytic activity for CO2 reduction and degradation of organic pollutants. Among them, BFTOCl exhibited the best performance. This work provides a reference for developing efficient and stable photocatalysts from Sillen-Aurivillius layered oxyhalide materials.
Article
Chemistry, Physical
Daichi Ozaki, Hajime Suzuki, Kanta Ogawa, Ryota Sakamoto, Yoshiyuki Inaguma, Kouichi Nakashima, Osamu Tomita, Hiroshi Kageyama, Ryu Abe
Summary: This study reported three new oxychlorides with enhanced photocatalytic activity as the number of perovskite layers increased.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Physical
Yan Gu, Fang Yu, Jikun Chen, Qinfang Zhang
Summary: The synthesis of a novel photocatalyst, BFTOC, for efficient degradation of antibiotics and organic pollutants is achieved in this study. The photocatalyst exhibits excellent cycle stability and transforms the pollutants into non-toxic products.
Article
Chemistry, Physical
Hajime Suzuki, Takanori Takashima, Osamu Tomita, Tomoki Kanazawa, Shunsuke Nozawa, Kosaku Kato, Akira Yamakata, Kouichi Nakashima, Akinori Saeki, Ryu Abe
Summary: In this study, a Bi6NbWO14Cl photocatalyst was synthesized using Rh(2)O(3) additives and its surface was modified with Rh species to improve its photocatalytic activity. The addition of an appropriate amount of Rh2O3 significantly enhanced the O-2 evolution rate on Bi6NbWO14Cl, likely due to enhanced charge transfer by metallic Rh nanoparticles. Surface modification with Rh species further enhanced the O-2 evolution rate, achieving an apparent quantum efficiency of 11% at 420 nm, the best reported performance for oxyhalides prepared by solid-state reactions. The roles of these Rh species in the enhanced photocatalytic activities were discussed.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Physical
Jian Yang, Yali Xue, Chuang Han, Xiaorui Zhang, Ke Sa, Jin Jia, Hanlin Ye, Yujun Liang
Summary: In this study, a clever 0D/2D Bi/Bi4TaO8Cl0.5Br0.5 (BTOCB) piezoelectric homologous Schottky heterojunction was designed and fabricated, which can break the heterointerface shielding effect and deliver powerful driving force for impactful spatial photocarrier migration and separation. The as-prepared Bi/BTOCB Schottky junction exhibits outstanding piezo-photocatalyst performance for tetracycline (TC) degradation.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
Qiaoyun Wang, Nasiman Tuerxun, Lu Xiao, Yu Wang, Caijin Huang, Hong Du
Summary: Ni3FeN nanosheets were synthesized using urea as a nitrogen source, and a heterostructure of Ni3FeN/g-C3N4 was constructed to enhance the absorption of visible light. The Ni3FeN/g-C3N4 heterojunction demonstrated excellent visible-light photocatalytic activity and bimetallic nitrides as cocatalysts were found to enhance the performance of photocatalysts. The study highlights the feasibility of using Ni3FeN as a cocatalyst in photocatalytic hydrogen production.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Chemistry, Inorganic & Nuclear
Yu'ao Wang, Meijiao Wang, Jiahui Liu, Lin Wang, Hanxiao Pang, Yanbin Su, Jie Pan, ZhenZhen Xue, Yanhua Peng
Summary: An efficient BiOI/Bi2MoO6 p-n heterojunction was in situ fabricated through hydrothermal method, exhibiting significantly enhanced visible light absorption from 500 to 700 nm due to the narrow band gap of BiOI and effective separation of photoexcited carriers. Photocatalytic degradation of organic pollutants using semiconductors with high visible light response and effective carrier separation is an economical and green approach for environmental remediation.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Haotong Li, Xinding Lv, Ran Li, Xia Tao, Yanzhen Zheng
Summary: In this study, metallic Ti3C2 MXene nanosheets were anchored on MAPbI(3) to construct a stable and efficient MXene/MAPbI(3)-HI system for visible-light-driven photocatalytic H-2 evolution. The MXene effectively inhibited charge recombination and provided abundant active sites, leading to significantly enhanced photocatalytic performance.
JOURNAL OF POWER SOURCES
(2022)
Article
Physics, Applied
Ahmed A. Maarouf, D. Gogova, Mohamed M. Fadlallah
Summary: This study focuses on enhancing the photocatalytic behavior of potassium niobate (KNbO3) by doping with transition metals. Calculations reveal that Ag- and Mn-doped KNbO3 are the best candidates for water splitting and CO2 gas reduction, respectively. The results are expected to lead to more experimental investigations in the field of green energy production.
APPLIED PHYSICS LETTERS
(2021)
Article
Engineering, Chemical
Zhonghuan Liu, Xinyu Lin, Yahui Chen, Ning Song, Yue Hao, Shuhan Jia, Hongyang Sun, Yuming Sun, Yan Yan, Yuhan Li, Yongsheng Yan
Summary: In this study, the PDI/Zn0.8Cd0.2S composite photocatalyst was synthesized and it exhibited a superior H2-evolution rate of 71.98 mu mol g-1 h-1 and an O2-evolution rate of 32.44 mu mol g-1 h-1, which is close to the stoichiometric ratio of 2:1. This composite photocatalyst has high charge separation efficiency and strong redox capacity, providing a new approach for the design of efficient photocatalytic systems for overall water splitting.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2023)
Article
Chemistry, Multidisciplinary
Hao-Xing Xu, Ze-Run Zhao, Yeersen Patehebieke, Qian-Qian Chen, Shun-Guo Fu, Shuai-Jun Chang, Xu-Xu Zhang, Zhi-Liang Zhang, Xiao Wang
Summary: A continuous-flow photocatalytic synthesis method has been developed for the industrially important thiuram disulfides, using O-2 as the oxidant and Eosin Y as the photoredox catalyst. This method offers reduced reaction time, excellent product yield, and purity, making it a sustainable and potentially scalable process for industrial production.
Article
Chemistry, Physical
Harshavardhan Mohan, Sethumathavan Vadivel, Pavithra Muthukumar Sathya, Manabu Fujii, Ga Hyeon Ha, Gitae Kim, Taeho Shin
Summary: Photocatalytic water splitting using nanocomposites of manganese oxynitride and reduced graphene oxide showed enhanced efficiency due to large surface area, increased light absorption, and interfacial charge transfer. The hydrogen evolution rates increased with the content of graphene oxide in the composites, indicating the important role of reduced graphene oxide. The photocatalysts also displayed stability and recyclability after multiple uses.
ACS APPLIED ENERGY MATERIALS
(2022)
Review
Thermodynamics
Shalini Sahani, Kumud Malika Tripathi, Tae Il Lee, Deepak P. Dubal, Ching-Ping Wong, Yogesh Chandra Sharma, Tae Young Kim
Summary: Research has shown that carbon-based materials have great potential in the field of photocatalytic hydrogen production, with the ability to improve photocatalytic performance through size modulation and functionalization. Carbon dots and graphene derivatives are considered important players in the next generation of photocatalysts, acting as co-catalysts and electron mediators in the hydrogen evolution reaction.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Chemistry, Multidisciplinary
Wenjing Wang, Teng Hou, Jiakun Wu, Hanchu Chen, Hui Wang, Yan-Yan Li, Shao-Xiang Li, Haifeng Lin, Lei Wang
Summary: The construction of hollow NiCo2S4@ZnS/CdS heterostructures demonstrated significantly enhanced photocatalytic performance for visible-light driven hydrogen production. The unique architecture with uniform microspheres and tunable composition coating layer showcased excellent catalytic activity and stability, attributed to efficient charge transfer and numerous active sites.
CRYSTAL GROWTH & DESIGN
(2021)
Article
Polymer Science
Hazuki Maeda, Ryo Inoue, Akinori Saeki, Yasuhiro Morisaki
Summary: The synthesis of polymers with stacked three-ring para-phenylene-ethynylene pi-electron systems through Sonogashira-Hagihara cross-coupling was successful. The optically active pseudo-meta-linked dimers and polymers emitted intense circularly polarized luminescence (CPL) with relatively high anisotropy factors.
Article
Chemistry, Multidisciplinary
Takahiro Yamada, Masato Yoshiya, Masahiro Kanno, Hiroshi Takatsu, Takuji Ikeda, Hideaki Nagai, Hisanori Yamane, Hiroshi Kageyama
Summary: Tin-based intermetallics with tunnel frameworks containing zigzag Na chains that excite correlated rattling impinging on the framework phonons are attractive as thermoelectric materials due to their low lattice thermal conductivity. The correlated rattling of Na atoms in the zigzag chains and the origin of the low thermal conductivity is uncovered through experimental and computational analyses. These findings reveal that phonon scattering by the correlated rattling Na chains is enhanced when there is a shorter inter-rattler distance, suggesting potential strategies for the development of thermoelectric materials with low thermal conductivity.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Sheng-Ying Chou, Hiroshi Masai, Masaya Otani, Hiromichi V. Miyagishi, Gentaro Sakamoto, Yusuke Yamada, Yusuke Kinoshita, Hitoshi Tamiaki, Takayoshi Katase, Hiromichi Ohta, Tomoki Kondo, Akinobu Nakada, Ryu Abe, Takahisa Tanaka, Ken Uchida, Jun Terao
Summary: In this report, mononuclear CoII chlorin complexes were immobilized on a conductive metal-oxide electrode using electron conducting molecular wires to enhance electrocatalysis for selective two electron reduction of oxygen. The comparison of electrochemical behaviors of ferrocene molecules immobilized on an ITO substrate using molecular wires with or without rotaxane encapsulation suggested the beneficial effect of rotaxane encapsulation on electron transfer. The electrocatalytic activity and selectivity to H2O2 of CoII chlorin complexes were significantly improved when immobilized with molecular wires with rotaxane encapsulation compared to those without.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Naoya Nakao, Masahiko Saito, Tsubasa Mikie, Takumi Ishikawa, Jihun Jeon, Hyung Do Kim, Hideo Ohkita, Akinori Saeki, Itaru Osaka
Summary: A pi-conjugated polymer based on a novel thiazole-fused ring, thieno[2',3':5,6]benzo[1,2-d:4,3-d']bisthiazole (TBTz), achieves high backbone order and solubility due to its unique structural features. The polymer exhibits high open-circuit voltages (V(OC)s) in organic photovoltaic cells without halogen substituents, resulting in power conversion efficiencies of up to 16% and V(OC)s of more than 0.84 V when combined with a nonfullerene acceptor Y6. This study provides valuable insights for designing highly efficient and solution-processable pi-conjugated polymers.
Article
Chemistry, Multidisciplinary
Yu Cao, Ekaterina Toshcheva, Walid Almaksoud, Rafia Ahmad, Tatsuya Tsumori, Rohit Rai, Ya Tang, Luigi Cavallo, Hiroshi Kageyama, Yoji Kobayashi
Summary: In this study, we demonstrate the robust ammonia synthesis activity of the nitride hydride compound Ca3CrN3H, which activates dinitrogen through active sites where calcium provides the primary coordination environment. DFT calculations indicate that an associative mechanism is favored, unlike the dissociative mechanism found in traditional Ru or Fe catalysts. This work showcases the potential of alkaline earth metal hydride catalysts and other related 1D hydride/electrides for ammonia synthesis.
Article
Chemistry, Inorganic & Nuclear
Hiroki Ubukata, Daichi Kato, Shougo Kitade, Thibault Broux, Cedric Tassel, David Schnieders, Richard Dronskowski, Hiroshi Kageyama
Summary: Lanthanide hydride chalcogenides LnHSe and LnHTe crystallize in 2H and 1H structures, respectively. We expanded the LnHCh (Ch = O, Se, and Te) family to include LnHS (Ln = La, Nd, Gd, and Er) and found that larger Ln prefers the 2H structure while smaller Er prefers the 1H structure. The stability of the 2H structure can be attributed to the relatively small electrostatic repulsion between ChLn6 octahedra.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Inorganic & Nuclear
Zefeng Wei, Hiroki Ubukata, Chengchao Zhong, Cedric Tassel, Hiroshi Kageyama
Summary: In this study, a pressure-induced order-disorder transition of anions was observed in a layered perovskite Sr2LiHOCl2. Different synthesis conditions led to different orderings of oxygen and hydrogen in the crystal structure, and the pressure played a critical role. This finding expands the understanding of anion ordering patterns and provides insights for improving the ionic conduction in solids.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Tomoki Kanazawa, Shunta Nishioka, Shuhei Yasuda, Daichi Kato, Toshiyuki Yokoi, Shunsuke Nozawa, Hiroshi Kageyama, Kazuhiko Maeda
Summary: The local structure dependence of BaTiO3-xHx on the doped H- amount was investigated using Raman and X-ray absorption fine-structure (XAFS) spectroscopy measurements. It was found that the tetragonal phase transforms into the cubic phase when the doped H- amount is relatively large (x ≥ 0.2). XAFS measurements revealed that the TiO6 octahedral symmetry in BaTiO3-xHx is strongly affected by the doped H- amount, where an increase of H- relaxes the local distortion of the Ti [111] displacement and causes the tetragonal-to-cubic structural change.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Nanoscience & Nanotechnology
Takeyuki Sekimoto, Teruaki Yamamoto, Fumito Takeno, Ryosuke Nishikubo, Maki Hiraoka, Ryusuke Uchida, Toru Nakamura, Kenji Kawano, Akinori Saeki, Yukihiro Kaneko, Taisuke Matsui
Summary: To enhance the light stability of lead-halide perovskite solar cells, a self-assembled monolayer (SAM) is introduced between the carrier transport layer and the perovskite layer. By combining a fullerene-functionalized SAM (C(60)SAM) and a suitable gap-filling SAM (GFSAM), both the photovoltaic conversion efficiency (PCE) and light stability are improved. The best cell with C(60)SAM and GFSAM exhibits a PCE of 18.68% and a retention rate of over 99% after a light stability test, and shows almost unchanged PCE after six months of outdoor exposure.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Rei Shimono, Ryosuke Nishikubo, Mikhail Pylnev, Fumitaka Ishiwari, Atsushi Wakamiya, Akinori Saeki
Summary: Understanding the effects of process variables on large-scale manufacturing of lead halide perovskite solar cells is crucial for commercialization. This study compared four bar coating methods and thermal annealing or hot airflow for 2D Ruddlesden-Popper PSCs, finding that the anisotropic charge carrier mobilities were correlated with power conversion efficiency. The best PCE of 12.15% was achieved with a hot air flow after bar coating, and slow film formation was identified as key to optimal performance.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Kenta Aihara, Ryusuke Mizuochi, Megumi Okazaki, Shunta Nishioka, Shuhei Yasuda, Toshiyuki Yokoi, Fumitaka Ishiwari, Akinori Saeki, Miki Inada, Kazuhiko Maeda
Summary: Mixed-anion compounds are difficult to synthesize compared to ordinary single-anion counterparts, but they have great potential as visible-light-driven photocatalysts. In this study, Pb2Ti2O5.4F1.2 particles with a well-defined octahedral shape were successfully synthesized by a microwave-assisted hydrothermal (MHT) method at 473 K. The MHT-Pb2Ti2O5.4F1.2 showed improved activity for visible-light H-2 evolution compared to its analogue synthesized by a conventional solid-state reaction (SSR). A postheating treatment further enhanced its activity, and the optimized MHT-Pb2Ti2O5.4F1.2 achieved nonsacrificial H-2 evolution in the presence of a reversible electron donor.
ACS MATERIALS LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Masahiko Saito, Hiroya Yamada, Kakaraparthi Kranthiraja, Tsubasa Mikie, Akinori Saeki, Hideo Ohkita, Itaru Osaka
Summary: In this study, a benzodithiophene-thiazolothiazole copolymer with tripropylsilyl groups (PSTz2) was found to have a larger coplanar backbone structure in solutions and blended films with nonfullerene acceptors, compared to its crystalline state. The excitons and charge carriers in PSTz2 were more easily delocalized in the blend films, potentially through the backbone. This unconventional structural feature resulted in higher photovoltaic performance in nonfullerene-based solar cells compared to its alkyl-functionalized counterpart.
COMMUNICATIONS MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Avija Ajayakumar, Chinnadurai Muthu, Manasa G. Basavarajappa, Amarjith V. Dev, Ryosuke Nishikubo, Sudip Chakraborty, Akinori Saeki, Letian Dou, Chakkooth Vijayakumar
Summary: A novel tin (IV) halide perovskite material is synthesized and used to fabricate a UV photodetector. The material exhibits anisotropic photoconductivity and high charge carrier lifetime, resulting in impressive device performance.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Kakaraparthi Kranthiraja, Ryosuke Nishikubo, Akinori Saeki
Summary: This study presents a promising dopant-free polymer HTM with a simple structure for lead halide perovskite solar cells, which exhibits a higher power conversion efficiency compared to other HTMs.
Article
Materials Science, Multidisciplinary
Jidapa Chaopaknam, Taweesak Sudyoadsuk, Vinich Promarak, Akinori Saeki, Pichaya Pattanasattayavong
Summary: Recent research has shown that Tin(ii) thiocyanate can be used as an additive in the electron transport layer and anode interlayer of organic photovoltaics (OPVs), as well as in the hole transport layer of PEDOT:PSS. The addition of a small amount of Tin(ii) thiocyanate enhances the hole transport properties and overall device performance.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Chemistry, Physical
Mei Gui Vanessa Wee, Amutha Chinnappan, Runxin Shang, Poh Seng Lee, Seeram Ramakrishna
Summary: Cooling processes, from residences to industries, require a lot of energy and are essential. This study introduces MIL-101(Cr), a new desiccant, to heat exchangers for more efficient cooling. By improving the synthesis method and using a special binder, the MIL-101(Cr)-coated heat exchanger shows improved water uptake capacity and lower regeneration temperature.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ao Zhen, Guanyu Zhang, Ao Wang, Feng Luo, Jiehua Li, Hong Tan, Zhen Li
Summary: In this study, a solvent-free microemulsion method was used to synthesize waterborne polyurethane (WPU) material with high retention of mechanical properties and satisfactory water absorption rates. The material showed excellent biocompatibility and has broad application potential in the field of biomedicine.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Wensong Ge, Rui Wang, Xiaoyang Zhu, Houchao Zhang, Luanfa Sun, Fei Wang, Hongke Li, Zhenghao Li, Xinyi Du, Huangyu Chen, Fan Zhang, Huifa Shi, Huiqiang Hu, Yongming Xi, Jiankang He, Liang Hu, Hongbo Lan
Summary: This paper reviews the research on the surface tension of eutectic gallium-indium alloys (EGaIn) in the field of stretchable electronics. It covers the principles of oxide layer formation, factors influencing surface tension, and methods for surface modification of liquid metals. The paper also discusses the applications of EGaIn surface modification in different fields and highlights the challenges still faced and the future outlook.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiang Song, Lianghao Jia, Zhengen Wei, Tao Xiang, Shaobing Zhou
Summary: This paper provides an overview of the application, preparation, and role of biomimetic structures in solar evaporators with improved evaporation rate and lifetime.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Wei Yuan, Qian Deng, Dong Pan, Xiang An, Canyang Zhao, Wenjun Su, Zhengmin He, Qiang Sun, Ran Ang
Summary: Optimizing the performance of n-type PbTe thermoelectric materials is crucial for practical applications. Dynamic doping has emerged as an effective method to improve the performance of n-type PbTe by optimizing the carrier concentration. This study demonstrates the significance of Mn alloying in enhancing the performance of Ag-doped n-type PbTe by creating a hierarchical structure to suppress thermal transport and improving the Seebeck coefficient.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiaoyan Wang, Meiqi Geng, Shengjun Sun, Qian Xiang, Shiyuan Dong, Kai Dong, Yongchao Yao, Yan Wang, Yingchun Yang, Yongsong Luo, Dongdong Zheng, Qian Liu, Jianming Hu, Qian Wu, Xuping Sun, Bo Tang
Summary: This review provides a comprehensive analysis of the progress and challenges in the field of bifunctional electrocatalysts and efficient electrolyzers for seawater splitting. It summarizes recent advancements and proposes future perspectives for highly efficient bifunctional electrocatalysts and electrolyzers.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Jason K. Phong, Christopher B. Cooper, Lukas Michalek, Yangju Lin, Yuya Nishio, Yuran Shi, Huaxin Gong, Julian A. Vigil, Jan Ilavsky, Ivan Kuzmenko, Zhenan Bao
Summary: Dynamic block copolymers (DBCPs) combine the phase separation of traditional block copolymers with the supramolecular self-assembly of periodic dynamic polymers, resulting in the spontaneous self-assembly of high aspect ratio nanofibers with well-ordered PEG and PDMS domains. DBCPs with a periodic block sequence exhibit superior properties compared to those with a random sequence, including delayed onset of terminal flow and higher ionic conductivity values.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Hong Kyu Lee, Yasaswini Oruganti, Jonghyeon Lee, Seunghee Han, Jihan Kim, Dohyun Moon, Min Kim, Dae-Woon Lim, Hoi Ri Moon
Summary: This study reports the moisture-triggered proton-conductivity switching behavior in Zn5FDC MOFs induced by the presence and absence of coordinating solvents, which illustrates the significant role of coordinating solvents in conductivity variation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Bommaramoni Yadagiri, Sanjay Sandhu, Ashok Kumar Kaliamurthy, Francis Kwaku Asiam, Jongdeok Park, Appiagyei Ewusi Mensah, Jae-Joon Lee
Summary: The molecular engineering of the interface modulator between the perovskite and hole transporting material is crucial for achieving satisfactory performance and stability of perovskite solar cells. In this study, cruciform-shaped dual functional organic materials were employed as surface passivation and hole transporting interfacial layers in perovskite solar cells. The use of these materials significantly improved the power conversion efficiency of the solar cells.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Joaquin Martinez-Ortigosa, Reisel Millan, Jorge Simancas, Manuel Hernandez-Rodriguez, J. Alejandro Vidal-Moya, Jose L. Jorda, Charlotte Martineau-Corcos, Vincent Sarou-Kanian, Mercedes Boronat, Teresa Blasco, Fernando Rey
Summary: This study investigates the synthesis of all-silica RTH zeolites using triisopropyl(methyl)phosphonium as the organic SDA. The results show the formation of two distinct crystalline phases under different synthesis conditions, with fluoride bonding to different silicon sites. It demonstrates the possibility of controlling the placement of fluoride in RTH zeolites through synthesis conditions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Luyao Zheng, Cong Liu, Wenbiao Zhang, Boxu Gao, Tianlan Yan, Yahong Zhang, Xiaoming Cao, Qingsheng Gao, Yi Tang
Summary: This study successfully improves the efficiency and stability of water splitting by constructing a heterostructured electrocatalyst. The catalyst shows extraordinary performance and could offer an effective approach for the sustainable production of hydrogen.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Carlos A. Campos-Roldan, Raphael Chattot, Frederic Pailloux, Andrea Zitolo, Jacques Roziere, Deborah J. Jones, Sara Cavaliere
Summary: This study systematically evaluated the hydrogen evolution/oxidation reactions on a series of Pt-rare earth nanoalloys in alkaline media, and identified the effect of the lanthanide contraction. The experimental results revealed that the chemical nature of the rare earth modulates the adsorption and mobility of oxygenated-species, enhancing the kinetics of the reactions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Sara Frank, Mads Folkjaer, Mads L. N. Nielsen, Melissa J. Marks, Henrik S. Jeppesen, Marcel Ceccato, Simon J. L. Billinge, Jacopo Catalano, Nina Lock
Summary: This study investigates the thermal decomposition of ZIF-67 and its correlation with structural evolution and electrocatalytic performance. The researchers used in situ X-ray absorption spectroscopy and total scattering techniques to analyze the process. They found that disorder emerges at lower temperatures and that extending the pyrolysis process can result in materials with superior electrochemical properties.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Zi-Yang Zhang, Hao Tian, Han Jiao, Xin Wang, Lei Bian, Yuan Liu, Nithima Khaorapapong, Yusuke Yamauchi, Zhong-Li Wang
Summary: By constructing Cu-0-Cu+-NH2 composite interfaces with the assistance of SiO2, the electrochemical CO2 reduction reaction (CO2RR) achieves high Faraday efficiency and current density for C2+ production, improving the productivity of carbon cycle.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ting Wang, Ruijuan Zhang, Pengda Zhai, Mingjie Li, Xinying Liu, Chaoxu Li
Summary: This study successfully exfoliated COFs using a simple electrochemical method, which resulted in improved photocatalytic performance for COFs and enriched the fabrication approach of COF exfoliation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)