Article
Chemistry, Multidisciplinary
Shumin Li, Liang Zhao, Yining Yao, Zhengying Gu, Chao Liu, Wenli Hu, Ye Zhang, Qian Zhao, Chengzhong Yu
Summary: The integration of different types of metal-organic frameworks (MOFs) into hybrid MOF-on-MOF heterostructures has been extensively studied to increase the diversity of MOF-on-MOF hybrids. This study reports the structure regulation of MOF-on-MOF hybrids by controlling the nucleation and growth of guest MOFs. By using ZIF-90 as the host and ZIF-8 as the guest, binary ZIF-90@ZIF-8 complexes with different structures were successfully synthesized, enhancing the structural diversity of MOF-on-MOF materials.
Article
Chemistry, Inorganic & Nuclear
Zi-Ming Ye, Kai-Ping Xie, Chao Wang, Xue-Wen Zhang, Hao-Long Zhou, Jie-Peng Zhang
Summary: The solvothermal reaction yielded a porous coordination polymer with a fence-like coordination framework and remarkable thermal expansion properties, which were significantly enhanced by inclusion of toluene.
INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Wanjun Xu, Shuaijun Pan, Benjamin B. Noble, Zhixing Lin, Sukhvir Kaur Bhangu, Chan-Jin Kim, Jingqu Chen, Yiyuan Han, Irene Yarovsky, Frank Caruso
Summary: This article reports on flexible metal-phenolic networks (MPNs) that exhibit stimuli-responsive behavior to various solute guests. The responsive behavior of the MPNs is primarily determined by the competitive coordination of metal ions to phenolic ligands with multiple coordination sites and solute guests. The embedding of glucose molecules into the dynamic MPNs leads to the reconfiguration of the metal-organic networks and changes in their physicochemical properties for targeted applications. This study expands the library of stimuli-responsive flexible metal-organic materials and enhances the understanding of intermolecular interactions between metal-organic materials and solute guests, which is crucial for the rational design of responsive materials for various applications.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Xuqing Cai, David S. Sholl
Summary: This work investigates the unexpected role of point defects in the diffusion of short-chain alkanes in a metal-organic framework (MOF) with one-dimensional (1D) channels. The study shows that linker vacancy defects can occur under experimental conditions and facilitate hopping of alkanes between adjacent 1D channels. The formation of hydrolyzed linkers can also block the pores and slow down linker diffusion. These findings provide a mechanistic explanation for the unexpected molecular diffusion behavior in this MOF with 1D channels.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Multidisciplinary
Qian Xu, Jishi Chen, Yujun Wang, Dongjuan Wang, Xianzhen Xu, Jianfei Xia, Kou-Lin Zhang, Xin Zhou, Weidong Fan, Zonghua Wang, Chuantao Hou, Daofeng Sun
Summary: Nonplanar porphyrins are important in biology and chemistry, and their construction typically involves complex organic synthesis. This study demonstrates that porphyrinic zirconium MOFs can exhibit guest-stimulated breathing behavior, causing porphyrin distortion. X-ray diffraction analysis confirms the formation of nonplanar geometry under guest desorption. The resulting flexible framework can be used as a catalyst for CO2/propylene oxide coupling reactions.
Article
Chemistry, Multidisciplinary
Saiya Fujiwara, Naoto Matsumoto, Koki Nishimura, Nobuo Kimizuka, Kenichiro Tateishi, Tomohiro Uesaka, Nobuhiro Yanai
Summary: Utilizing the induced-fit-type structural transformation of a metal-organic framework (MOF), we demonstrate DNP of guest molecules at around room temperature, resulting in enhanced NMR signal.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Inorganic & Nuclear
Jordon S. Hilliard, Casey R. Wade
Summary: A palladium diphosphine pincer complex was encapsulated in a benzotriazolate metal-organic framework and investigated as a Lewis acid catalyst for cyclization reactions. The rapid immobilization of the catalyst was facilitated by a Bronsted acid-base reaction. The resulting catalyst showed high activity and stability compared to the homogeneous analogue.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Inorganic & Nuclear
Tomoya Iizuka, Nobuhiko Hosono, Takashi Uemura
Summary: In this study, the mechanical properties of metal-organic frameworks (MOFs) are improved by filling the MOF pores with polymer chains, resulting in enhanced resilience and toughness against mechanical pressures.
DALTON TRANSACTIONS
(2022)
Article
Materials Science, Multidisciplinary
Alexei Nefedov, Chun Li, Kai Mueller, Anemar Bruno Kanj, Lars Heinke, Chen Luo, Kai Chen, Florin Radu, Evangelos Golias, Wolfgang Kuch, Christof Woell
Summary: Metal-organic frameworks (MOFs) are crystalline and porous, molecular solids consisting of metal nodes and organic ligands. In this study, the magnetic properties of two SURMOF-2 systems (Cu(bdc) and Cu(bpdc)) were investigated using x-ray magnetic circular dichroism. The presence of the ferromagnetic phase in these SURMOF-2 systems was confirmed. The magnetic behavior of the guest molecules differed from that of the host matrix after loading.
Article
Chemistry, Inorganic & Nuclear
Gen Li, Shuai-Liang Yang, Wan-Shan Liu, Meng-Yue Guo, Xiao-Yan Liu, Ran Bu, En-Qing Gao
Summary: A novel Eu(iii) metal-organic framework with 3-fold interpenetration exhibits multi-responsive behaviors such as photochromism, photoluminescence, and sensing of ammonia and O-2. Charge transfer within the framework and host-guest electron transfer lead to fluorescence quenching, color change, and size-selective response to ammonia and amines.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Multidisciplinary Sciences
Li-Hao Xu, Shen-Hui Li, Heng Mao, Yan Li, Ao-Shuai Zhang, Sen Wang, Wei-Min Liu, Jing Lv, Tao Wang, Wei-Wei Cai, Le Sang, Wen-Wen Xie, Chan Pei, Zheng-Zheng Li, Ying-Nan Feng, Zhi-Ping Zhao
Summary: This study presents a strategy to create highly flexible metal-organic framework nanosheet membranes for alcohol-water separation. The membranes exhibited ultrafast transport channels and achieved high flux and separation performance.
Article
Chemistry, Multidisciplinary
Yan Huang, Fan Zhou, Jianshen Feng, Hongxia Zhao, Chao Qi, Jinyan Ji, Songsong Bao, Tao Zheng
Summary: PHOS-100 is a porous hafnium-phosphonate MOF that exhibits exceptional chemical stability and permanent porosity, making it an ideal platform for different functional guests. The material shows significant humidity-dependent proton conductivities, and post-treatment with strong acids enhances proton conduction at low relative humidities.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Inorganic & Nuclear
Bin Zheng, Ke Gao, Dong Tian, Wanting Yao, Li Zhang, Lianli Wang, Jinlei Wang
Summary: This study demonstrates that residual guests from the MOF-5 synthesis process can enhance the processability and ease of compression of MOFs without promoting framework collapse. By loading guests, MOF-5 showed improved volumetric specific surface area and methane uptake, highlighting the positive function of residual guests in MOFs.
INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Arijit Halder, Ryan A. Klein, Sarah Shulda, Gavin A. McCarver, Philip A. Parilla, Hiroyasu Furukawa, Craig M. Brown, C. Michael McGuirk
Summary: Step-shaped adsorption-desorption of gaseous payloads by flexible metal-organic frameworks can facilitate the delivery of large usable capacities with reduced energetic penalties. The multivariate linker approach is a powerful tool for tuning the phase change behavior of flexible frameworks. In this work, a multivariate framework was developed with a considerably reduced threshold pressure and desirable adsorption-desorption profile for efficient storage and delivery of weakly physisorbing species.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Yanjun Ding, Avishek Dey, Lukman O. Alimi, Prashant M. Bhatt, Jing Du, Carine Maaliki, Mohamed Eddaoudi, Johan Jacquemin, Niveen M. Khashab
Summary: The selective adsorptive separation of ethylbenzene over styrene was achieved using ThT-TI macrocycles as molecular hosts, providing pure styrene without the need for further thermal treatments. This work paves the way for a new generation of molecular sieves designed to obtain high-purity products by capturing unreacted starting materials in situ.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Leiming M. M. Guo, Konstantinos Ntetsikas, Georgios Zapsas, Roshni Thankamony, Zhiping P. P. Lai, Nikos Hadjichristidis
Summary: The importance of enhancing the design of percolating nanopore structures in block copolymers (BCPs) has been widely demonstrated in various cases over the past several decades. However, it remains challenging to prepare the desired porous structures in a rapid, facile, and universal way. In this study, an unconventional strategy has been developed to rapidly generate nanoporous polystyrene-based BCPs with arbitrary structural characteristics, regardless of the BCP bulk morphology. This universal pore-forming strategy allows for the formation of advanced membranes with sustainable CO2-based BCPs, efficiently rejecting 94.2% brilliant blue R (826 g mol(-1)) after only 1 second of soaking. Meanwhile, the water permeance remains around 1020 L (m(2) h bar)(-1), which is 1-3 orders of magnitude higher than that of other membranes. This strategy provides an excellent opportunity to introduce percolating pore structures in newly developed BCPs that may not be addressed by previously reported pore-forming methods.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Areej Aljarb, Jiacheng Min, Mariam Hakami, Jui-Han Fu, Rehab Albaridy, Yi Wan, Sergei Lopatin, Dimitrios Kaltsas, Dipti Naphade, Emre Yengel, Mohamed Nejib Hedhili, Roaa Sait, Abdul-Hamid Emwas, Arwa Kutbee, Merfat Alsabban, Kuo-Wei Huang, Kaimin Shih, Leonidas Tsetseris, Thomas D. Anthopoulos, Vincent Tung, Lain-Jong Li
Summary: Growing continuous monolayer films of TMDs without disrupting grain boundaries is a challenge. The presence of an interfacial reconstructed (IR) layer within the substrate-epilayer gap affects the orientations of nucleating TMDs domains and materials' properties. These findings have implications for the development of TMD-based electronics and optoelectronics.
Review
Environmental Sciences
Irshad Kammakakam, Zhiping Lai
Summary: Membrane technology utilizing ultrafiltration (UF) processes is widely used and cost-effective in industrial applications. However, material selection and fouling behavior pose challenges to the overall performance of UF membranes, especially in wastewater treatment. Therefore, a comprehensive discussion and understanding of material design, properties, and separation processes of UF membranes are crucial.
Article
Energy & Fuels
Yi-Ming Gu, Ya-Hui Wang, Sheng-Sheng Zhao, Hong-Jun Fan, Xiao-Wei Liu, Zhiping Lai, Shu-Dong Wang
Summary: Two nitrogen-containing Zn-MOFs demonstrated high CO2 uptake and selectivity under humid conditions, making them promising candidates for carbon capture. The presence of the Zn-N pillar contributes to the robustness of the MOFs, ensuring their stability and cycling performance.
Article
Engineering, Chemical
Reham A. Nuaimi, Roshni L. Thankamony, Xiaowei Liu, Li Cao, Zongyao Zhou, Zhiping Lai
Summary: In this study, a highly porous PVDF ultrafiltration membrane was fabricated using the mixed solvent phase separation (MSPS) method for the treatment of surfactant-stabilized oil emulsions in produced water. The MSPS PVDF membrane showed excellent oil removal and high water permeance, an order of magnitude greater than commercial PVDF membranes. Moreover, the membrane exhibited excellent regeneration and recovery capabilities without any chemical cleaning.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Chemistry, Organic
Xinyu Liu, Zhixin Liu, Yongyi Hu, Kuo-Wei Huang, Manjaly J. Ajitha, De Wang
Summary: A novel alpha,beta-regioselective [3+2] cycloaddition reaction of arylallene with C,N-cyclic azomethine imine is reported. The axial-to-central chirality transfer phenomenon has been disclosed with chiral allenes in the reaction. The wide substrate scope, including different functional groups and natural products, reveals the generality of the methodology. Both experiments and density functional theory calculations have been used to elucidate a plausible mechanism.
Article
Chemistry, Multidisciplinary
Hao Huang, Dharmaraj Periyanagounder, Cailing Chen, Zhongxiao Li, Qiong Lei, Yu Han, Kuo-Wei Huang, Jr-Hau He
Summary: Developing a green and energy-saving artificial leaf for solar-driven ammonia conversion is achieved by imitating the biological nitrogen fixation and photosynthesis processes. The monolithic artificial leaf achieves high ammonia production rates and Faradaic efficiencies without applying external potential. By integrating an OER catalyst, the artificial leaf can directly convert solar energy into chemical energy and generate useful products. The importance rating of this research is 8 out of 10.
Article
Chemistry, Multidisciplinary
Jiaqiang Li, Haicheng Cao, Qingxiao Wang, Hui Zhang, Qing Liu, Cailing Chen, Zhan Shi, Guanxing Li, Ya Kong, Yichen Cai, Jie Shen, Ying Wu, Zhiping Lai, Yu Han, Jin Zhang
Summary: This study reports a method to synthesize monolayer graphdiyne within the interlayer space of MXene and demonstrates its excellent electronic properties. The new strategy of preparing 2D materials provides a pathway for fabricating materials with precisely controlled layer numbers and long-range structural order.
ADVANCED MATERIALS
(2023)
Article
Engineering, Environmental
Hend Omar Mohamed, Vijay K. Velisoju, Idoia Hita, Omar Abed, Rajesh K. Parsapur, Naydu Zambrano, Mohamed Ben Hassine, Natalia Morlanes, Abdul-Hamid Emwas, Kuo-Wei Huang, Pedro Castano
Summary: By using the in situ modified zeolite technique, researchers have successfully developed an efficient catalyst with high Ni2+ species concentration and good dispersion, which can improve the yield and stability of 1-butene while reducing the formation of by-products.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Fatimah Mohammad H. Al Sulami, Merfat M. Alsabban, Ahlam I. Al-Sulami, Mohamed Farrag, Sylvain Vedraine, Kuo-Wei Huang, Eslam Sheha, Talaat A. Hameed
Summary: Replacing selenium with sulfur in Cu1.8Se can improve the low electronic conductivity of Cu-Se and mitigate the effect of polysulfide species. A Cu1.8Se0.6S0.4 nanocrystalline powder was synthesized by solid-state reaction and its structure and storage mechanism were confirmed by various characterization techniques. Significant surface morphology changes were observed during the charging/discharging process.
Article
Chemistry, Physical
Xingzhu Chen, Luigi Cavallo, Kuo-Wei Huang
Summary: In the past decade, density functional theory (DFT) calculations have been used to investigate the mechanism of electrochemical CO2 reduction reactions. However, the lack of understanding regarding CO2 chemisorption states, proton-coupled-electron-transfer (PCET) steps, and dynamic redox reactions of the electrode surface has limited the reliability of these simulations. This work proposes a descriptor, the energy difference between *COOH on neutral and extra-electron substrates, as a means to determine the selectivity of electrochemical CO2 reduction.
Article
Chemistry, Organic
Delong Han, Priyanka Chakraborty, Li Yang, Hao Huang, Kuo-Wei Huang
Summary: Alkylation of a nitride ligand of a post-modified Mo(V) complex with MeOTf and EtOTf resulted in the formation of highly stable Mo(IV) imido complexes. Unlike the known Mo(VI) nitride complexes, which can be deprotonated to form ketimide for further reactions, the alkylation products in this study could only be reduced by NaH. Treatment with PhCH2OTf led to the formation of a new dinuclear Mo complex with N-2 release, instead of benzylation of the nitride ligand.
ASIAN JOURNAL OF ORGANIC CHEMISTRY
(2023)
Review
Chemistry, Multidisciplinary
Chen-Fu Lin, Kuo-Wei Huang, Yen-Ting Chen, Sung-Lin Hsueh, Ming-Hsien Li, Peter Chen
Summary: This review introduces X-ray detectors using various halide perovskite materials and discusses their performance. Single-crystal perovskite as an active material exhibits excellent performance under X-ray illumination, while inorganic perovskite shows good environmental stability and high X-ray sensitivity. Double perovskite with the introduction of high-atomic-numbered elements demonstrates better attenuation of X-rays, and lead-free perovskite exhibits potential application in X-ray detectors due to its high X-ray attenuation capability. The up-scaling process technology for fabricating large-area and thick perovskite films for X-ray detectors is also introduced.
Correction
Chemistry, Multidisciplinary
Yi-Ming Gu, You-You Yuan, Cailing Chen, Sheng-Sheng Zhao, Tian-Jun Sun, Yu Han, Xiao-Wei Liu, Zhiping Lai, Shu-Dong Wang
Summary: This article discusses a novel metal-organic framework material with efficient separation capabilities for carbon dioxide and acetylene under humid conditions, and provides corrections for previous studies.
Article
Chemistry, Physical
Lujain Alrais, Sandeep Suryabhan Gholap, Indranil Dutta, Edy Abou-Hamad, Benjamin W. J. Chen, Jia Zhang, Mohamed Nejib Hedhili, Jean-Marie Basset, Kuo-Wei Huang
Summary: Formic acid is a promising hydrogen carrier for on-demand hydrogen generation. By immobilizing a homogeneous PN3P-Ir pincer catalyst onto a support, the advantages of both homogeneous and heterogeneous catalysts can be combined. The use of cesium formate as a reaction medium and basic additive under suitable conditions significantly improves the reactivity.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
Article
Chemistry, Multidisciplinary
Wei Zheng, Aifeng He, Hong Ma, Jianhua Chen, Bo Jing, Yan Li, Xiaogang Yu, Chunqiang Cao, Baoyu Sun
Summary: Non-contact optical temperature detection has great potential in biological systems and microfluidics due to its superior spatial resolution, accuracy, and non-invasive nature. However, the thermal quenching of photoluminescence hinders its practical applications. In this study, a thermally enhanced green upconversion luminescence in Yb/Er/ZnGdO microflowers was achieved through a defect-assisted thermal distribution mechanism. Additionally, the Yb/Er/ZnGdO microflowers acted as self-referenced radiometric optical thermometers, demonstrating high sensitivity temperature detection. These findings provide a novel strategy for overcoming thermal quenching luminescence and promoting the application of non-contact sensitive radiometric thermometers.
MATERIALS HORIZONS
(2024)
Article
Chemistry, Multidisciplinary
Santidan Biswas, Victor V. Yashin, Anna C. Balazs
Summary: By modeling gels growing in confined environments, researchers have discovered a biomimetic feedback mechanism that allows for significant control over the properties and morphology of the gel by manipulating the confining walls. This mechanism plays an important role in the interaction between mechanics and morphology in biological growth.
MATERIALS HORIZONS
(2024)
Review
Chemistry, Multidisciplinary
Xiaoyan He, Yihao Zheng, Chaofan Hu, Bingfu Lei, Xingcai Zhang, Yingliang Liu, Jianle Zhuang
Summary: This article provides a detailed review of the recent advances in the application of carbon dots (CDs) embedded in various inorganic matrices (IMs), as well as a summary of the interaction and luminescence mechanisms between CDs and IMs. The synthetic strategies of constructing composites and the roles of IMs in facilitating the applications of CDs are emphasized. The article also proposes future research directions and challenges in this field.
MATERIALS HORIZONS
(2024)