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Complementary co-cation interface stabilizes zinc batteries Trends Chem. (IF 15.7) Pub Date : 2024-04-23 Xuesong Xie, Zhi Li
Erratic deposition and detrimental side reactions present perplexing challenges within the realm of zinc-based metal batteries. Recent research by Pastel and colleagues introduces a complementary two co-cations strategy, bringing us one step closer to a more sustainable energy storage solution.
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Free radical theory in lignin oxidation depolymerization Trends Chem. (IF 15.7) Pub Date : 2024-04-23 Chunhui Ma, Jifang Zhang, Yu Yin, Chengcheng Suo, Shouxin Liu
Depolymerized lignin could provide a renewable alternative to fossil resources. Oxidative depolymerization is a popular, mild, and environmentally friendly lignin depolymerization method. Studying the radical mechanisms of this reaction could provide insight into the orientation and selectivity of the products. In this review, we provide a comprehensive overview of the radicals in oxidative depolymerization
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Nature’s sources for sustainable polymeric materials Trends Chem. (IF 15.7) Pub Date : 2024-04-18 Tan Nguyen, Samantha L. Kristufek
The entirety of the lifecycle of a polymer is of the utmost importance, which begins with the consideration of the origin of the starting material. Sourcing starting materials from renewable resources is critical, however, they should not interrupt the food supply chain and be readily available for transformation into monomers and/or polymers.
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Metal halide perovskites: stability under illumination and bias Trends Chem. (IF 15.7) Pub Date : 2024-04-17 Muhammad Umair Ali, Hongbo Mo, Atta Ur Rehman, Tik Lun Leung, Aleksandra B. Djurišić
In this short review, we discuss recent progress in developing better understanding of the segregation in mixed composition metal halide perovskite materials and the closely related phenomenon of ion migration (which occurs in both single phase and mixed perovskites). We focus in particular on electrochemical aspects of these phenomena, since they are particularly relevant for the operational stability
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Metastable-phase 2D noble-metal oxides: syntheses and advanced catalysts Trends Chem. (IF 15.7) Pub Date : 2024-04-16 Yue Wang, Qi Shao
Metastable-phase 2D noble-metal oxides, combining the advantages of noble-metal oxides, 2D materials, and metastable-phase materials are considered some of the most promising new catalysts for catalytic reactions. However, the thermodynamic instability of metastable-phase materials can lead to their transition to a stable phase resulting in the decay of catalytic activity, which is far from satisfactory
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Implementing sustainable methods in natural products research Trends Chem. (IF 15.7) Pub Date : 2024-04-16 Shivprasad Suresh Patil, , Upendra Sharma
Sustainability in natural product research is crucial for developing eco-friendly methodologies to transform biomass into high-value products without hampering the environment. The checkpoints critical to the sustainable production of natural products involve implementing green technologies for collecting bioresources, refining extraction processes, optimizing purification methods, catalysis, and managing
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An unconventional associated outersphere mechanism for chiral sulfoxide synthesis Trends Chem. (IF 15.7) Pub Date : 2024-04-14 Li Gao, Yin-Qi Wang, Ya-Qian Zhang, Yi-Yu Liu, Qing-Wei Zhang
Abstract not available
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Subscription and Copyright Information Trends Chem. (IF 15.7) Pub Date : 2024-04-10
Abstract not available
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Innovative biphasic solvent systems for lignocellulosic biorefinery Trends Chem. (IF 15.7) Pub Date : 2024-04-09 Tingting Cai, Chao Liu, Jianchun Jiang, Xianzhi Meng, Arthur J. Ragauskas, Kui Wang
Bioconversion of lignocellulosics to ethanol is significantly hindered by biomass recalcitrance and, therefore, often requires a biomass pretreatment step. Furan-based compounds such as furfural (FF) and 5-hydroxymethylfurfural (HMF) are versatile building blocks for fuels and chemicals. However, their production during pretreatment often suffers from low yield and low separation efficiency. Biphasic
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The cutting edge of lantern-shaped cage methodologies Trends Chem. (IF 15.7) Pub Date : 2024-04-09 Zack T. Avery, Jess L. Algar, Dan Preston
Lantern-shaped cages are generally comprised of two square planar metal ions linked by four ditopic ligands. They mainly form easily and predictably and make a structure with a small cavity well-suited for host–guest chemistry. These cages have been at the forefront of efforts by chemists to develop strategies for enhanced structural complexity in self-assembled metallo-supramolecular systems, which
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Illuminating cobalt co-catalysis Trends Chem. (IF 15.7) Pub Date : 2024-03-28 Jianbin Li
Recently, the Lin/Liang and Ohmiya/Nagao groups independently reported their dual-photoredox cobalt-based catalytic methods for alkene hydrohalogenation via metal-catalyzed hydrogen atom transfer (mHAT) and halogen atom transfer (XAT). Besides their immense synthetic merits, these metallaphotoredox approaches reveal detailed mechanistic insights into mHAT- and XAT-mediated processes, providing valuable
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Reducing the cost of making drugs for low/limited-income countries by going green Trends Chem. (IF 15.7) Pub Date : 2024-03-28 Bruce H. Lipshutz
In efforts to improve the affordability of drugs in regions of the world where they are most needed, synthetic sequences are described that apply green and sustainable technologies to the partial or total syntheses of several target molecules. Here, the focus is on routes to: (i) three antimalarial drugs, or key portions thereof; (ii) a targeted polypeptide (as found in Paxlovid) used extensively in
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Photothermal cascade metathesis and cyclization Trends Chem. (IF 15.7) Pub Date : 2024-03-22 Yunxiao Zhang, Xiao Shen
Abstract not available
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Functionalization of carbon nanotubes for multifunctional applications Trends Chem. (IF 15.7) Pub Date : 2024-03-20 Dong Liu, Lei Shi, Quanbin Dai, Xuanni Lin, Rashid Mehmood, Zi Gu, Liming Dai
Functionalized aligned and non-aligned carbon nanotubes (CNTs) have demonstrated outstanding physicochemical properties for a wide range of potential applications in energy conversion and storage, environmental remediation, and health care. In this review, we systematically summarize numerous innovative strategies developed for both covalent and non-covalent, functionalization of aligned and non-aligned
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Stereoselective synthesis of 1,2-bis(boronates) Trends Chem. (IF 15.7) Pub Date : 2024-03-02 Chong-Lei Ji, De-Wei Gao
Abstract not available
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An open and shut case? Chemistry to control xanthene dyes Trends Chem. (IF 15.7) Pub Date : 2024-02-28 Joshua L. Turnbull, Evan W. Miller
Fluorescent dyes are an indispensable part of the scientific enterprise. Xanthene-based fluorophores, such as fluorescein and rhodamine, have been in continual use across numerous fields since their invention in the late 19th century. Modern methods to synthesize and expand the scope of xanthene dye chemistry have enabled new colors, enhanced stability, and improved brightness. Modifications to the
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Advanced electrode materials for microbial extracellular electron transfer Trends Chem. (IF 15.7) Pub Date : 2024-02-22 Shriya Grover, Lucinda Elizabeth Doyle
Bioelectrochemical systems using electroactive microorganisms have applications including energy generation, microbial electrosynthesis, electrofermentation, and biosensing. Enhancing extracellular electron transfer (EET) between microorganisms and electrodes in these systems is a rapidly evolving field. This Review presents recent and emerging advances in the development of novel electrode materials
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Semiconductor cooperative photocatalysis with TEMPO Trends Chem. (IF 15.7) Pub Date : 2024-02-20 Fengwei Huang, Fulin Zhang, Yuexin Wang, Xianjun Lang
Visible light photocatalysis could potentially address a variety of challenges in environment and energy. Here, we discuss cooperative semiconductor photocatalysis with TEMPO (2,2,6,6-tetramethylpiperidine--oxyl), a redox mediator, to aid electron transfer. In a non-conductive organic solvent, electron transfer between photocatalyst and TEMPO occurs, thereby leading to the selective oxidation of organic
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Amyloid-β-interacting proteins in peripheral fluids of Alzheimer’s disease Trends Chem. (IF 15.7) Pub Date : 2024-02-15 Yelim Yi, Jimin Lee, Mi Hee Lim
The accumulation of amyloid-β (Aβ) aggregates, a distinct pathological feature in Alzheimer’s disease (AD), prompts exploration into mechanisms for Aβ clearance from cerebral milieus. Notably, the efflux of Aβ into peripheral fluids, encompassing the blood, cerebrospinal fluid (CSF), and lymph, emerges as a pivotal facet in its clearance. On its liberation from the cerebral realm, Aβ engages in interactions
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Sulfonyl radicals generation via β-scission Trends Chem. (IF 15.7) Pub Date : 2024-02-15 Shen Cao, Lu Wang, Xiaoping Chen, Xiaheng Zhang
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Emerging green approaches for valorization of plastics with saturated carbon backbones Trends Chem. (IF 15.7) Pub Date : 2024-02-05 Bao-Nguyen T. Nguyen, Jason Y.C. Lim
Plastics possess highly unsustainable linear life cycles that are environmentally damaging. With low recycling rates worldwide, plastics upcycling is emerging as a promising alternative by using these abundant waste products as chemical feedstock for the production of materials and essential chemicals of higher economic value. However, the saturated C–C polymer backbones of polymers constituting ~60%
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Asymmetric radical aziridination of alkenes Trends Chem. (IF 15.7) Pub Date : 2024-01-24 Wan-Chen Cindy Lee, X. Peter Zhang
Abstract not available
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Tailoring chemistry for inorganic 3D micro-optics Trends Chem. (IF 15.7) Pub Date : 2024-01-19 J.P. Winczewski, J. Arriaga-Dávila, C. Rosero-Arias, A. Susarrey-Arce
Additive manufacturing of metal oxides possesses immense potential in micro-optics, enabling intricate glass and ceramic structures at the highest definition. However, a limited range of inorganic–organic monomeric precursors restrains its advancements. New inorganic–organic precursors should be developed to unlock optical functionalities to manipulate light in the third dimension.
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Harnessing chemical functionality of lignin towards stimuli-responsive materials Trends Chem. (IF 15.7) Pub Date : 2024-01-11 Yong Zheng, Adrian Moreno, Yiqi Zhang, Mika H. Sipponen, Lin Dai
The mysteries of chemical structures and properties of lignin are gradually being unveiled. In parallel, lignin is gaining ground as a versatile resource for the development of stimuli-responsive materials with environmentally friendly, high-performance, and multifunctional characters. This review focuses on synthesis and mechanisms of lignin-based stimuli-responsive materials, highlighting the chemical
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Converting heterotrophic Saccharomyces cerevisiae to a synthetic methylotroph Trends Chem. (IF 15.7) Pub Date : 2024-01-10 Pan Zhu, Ziqi Zhang, Yufei Li
It is challenging to convert a non-methylotrophic yeast to a synthetic methylotroph. In a recently described new method, Nielsen, Keasling, Chen, Bai, and coworkers show that Saccharomyces cerevisiae can be engineered to grow solely on methanol, which potentially emerges as a promising platform for one-carbon (C1)-based biomanufacturing.
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Subscription and Copyright Information Trends Chem. (IF 15.7) Pub Date : 2024-01-10
Abstract not available
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Chemistry and democracy: a symbiotic relationship Trends Chem. (IF 15.7) Pub Date : 2024-01-09 Carina I.C. Crucho
In a world facing complex global challenges, chemistry and democracy form an inseparable partnership. Chemistry equips us with knowledge and innovation, while democracy ensures collective decision-making. Together, they drive sustainability, health, technology, and evidence-based policies, shaping a world that functions for the greater good.
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Brewing wellness: sugar-based synthesis of anti-obesity drug celastrol Trends Chem. (IF 15.7) Pub Date : 2024-01-09 Yi Lou, Yifeng Huang, Jiangtao Gao
Addressing the burgeoning global obesity crisis, recently presented innovative developments in celastrol synthesis, a potent anti-obesity agent. They unified plant biochemistry, metabolic engineering, and chemistry to map an effective celastrol biosynthetic path in yeast. The study emphasizes new opportunities for the commercial production of celastrol, revealing future potential for specialized metabolite
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Advances in liquid metal composites: properties, applications, and future prospects Trends Chem. (IF 15.7) Pub Date : 2023-12-11 Mohammad B. Ghasemian, Junma Tang, Md. Arifur Rahim, Jianbo Tang, Kourosh Kalantar-Zadeh
The field of liquid metals (LMs), metals and alloys of low melting point made of post-transition metals, offers exciting prospects for the creation of remarkable composite materials. By providing a liquid state at low temperatures, LMs can act as primary components in conductive and flexible composites involving organic and inorganic materials. In this review, we present a succinct examination of LM-based
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Organic interlayer materials for non-fullerene solar cells Trends Chem. (IF 15.7) Pub Date : 2023-12-14 Chenghao Zhu, Xu Wang, Wenxu Liu, Yao Liu, Xiaowei Zhan
Organic solar cells (OSCs) based on non-fullerene acceptors have recently achieved high power conversion efficiencies over 19%, thus rapidly advancing third-generation photovoltaic technologies. Solution-processable organic interlayers, positioned between organic photoactive layers and metal electrodes, are essential to furnish optimal OSCs because of their pivotal role in adjusting work functions
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Subscription and Copyright Information Trends Chem. (IF 15.7) Pub Date : 2023-12-06
Abstract not available
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Toward valorization of crude glycerol via controlled electro-oxidation Trends Chem. (IF 15.7) Pub Date : 2023-12-04 Shayan Angizi, Ecem Yelekli Kirici, Drew Higgins
The development of catalysts for electrochemical valorization of crude glycerol has enabled sustainable and economically viable pathways for the conversion of biomass-derived feedstocks into useful products. The use of crude glycerol as a feedstock in CO2 reduction cells has also recently emerged as a route to reduce the voltage required to improve the energy efficiency and economic viability of the
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Metal-organic frameworks for multicomponent gas separation Trends Chem. (IF 15.7) Pub Date : 2023-11-30 Xin Zhang, Yi Li, Jian-Rong Li
Given the promise of energy efficiency, metal-organic frameworks (MOFs) for separation applications have made significant progress through fine-tuning of their pore size and environment. An emerging focus in the field is the one-step separation of multicomponent gas mixtures. Compared with binary mixture separation, multicomponent gas mixtures are more relevant to industrial demand and their separation
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A quest for revisiting analysis of polycaprolactone crystallinity Trends Chem. (IF 15.7) Pub Date : 2023-11-29 Bronwin L. Dargaville, Dietmar W. Hutmacher
Polycaprolactone (PCL) has become the most widely studied biodegradable polymer over the past 100 years. Central to this utility is its semicrystalline nature. Crystallinity is among the most important fundamental properties in materials science. Differential scanning calorimetry (DSC) is routinely used to evaluate polymer crystallinity. This requires the use of reference data for the melting enthalpy
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Predictive catalysis: a valuable step towards machine learning Trends Chem. (IF 15.7) Pub Date : 2023-11-18 Roger Monreal-Corona, Anna Pla-Quintana, Albert Poater
As physical chemistry transitioned to computational chemistry, a new growth occurred in the field with the advent of predictive catalysis, making it a key player in the optimization and development of catalytic processes. Predictive catalysis refers to the use of computational and theoretical methods to predict the properties and behavior of chemical systems and, more specifically, their catalytic
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Van der Waals materials for paper electronics Trends Chem. (IF 15.7) Pub Date : 2023-11-18 Wenliang Zhang, Kexin He, Andres Castellanos-Gomez, Yong Xie
Two-dimensional van der Waals (vdW) materials have attracted extensive interest because of their superior electrical, optical, thermodynamic, and mechanical properties, which hold great potential in the development of flexible paper-based devices. The family of vdW materials is significantly diverse and their electronic features range from metallic to semiconducting and superconducting. This review
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Balancing act: when to flex and when to stay fixed Trends Chem. (IF 15.7) Pub Date : 2023-11-18 Rama El-khawaldeh, Jason E. Hein
Building automated platforms in chemical processes is a shared goal by many researchers. Herein, we provide essential insights into the decision-making process for choosing automation platforms, highlighting the suitability of fixed automation for standardized tasks and the strategic use of flexible automation in dynamic research settings. By addressing key factors, we aim to assist researchers in
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Solar-driven H2 production from formic acid Trends Chem. (IF 15.7) Pub Date : 2023-11-15 Shuang Cao, Tong Sun, Qin-Zhu Li, Lingyu Piao, Xiaobo Chen
Hydrogen energy is considered an ideal substitute for fossil energy. However, hydrogen storage is still a bottleneck to the widespread adoption of a hydrogen economy. The development of suitable hydrogen storage materials would provide a promising solution. Formic acid (FA) is a promising candidate as a hydrogen storage material due to its merits of high hydrogen volumetric content, low cost, ready
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Mitigating Raman relaxation for high-temperature single-molecule magnets Trends Chem. (IF 15.7) Pub Date : 2023-11-11 Qian-Cheng Luo, Yan-Zhen Zheng
Previous studies on how to prolong the relaxation times of single-molecule magnets (SMMs) focus on mitigating the quantum tunneling effect. However, recent progress shows that Raman relaxation is more critical. Yet, the study of the Raman process turns out to be a barren zone for molecular systems and requires further exploration.
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Current advancements in the bio-based production of polyamides Trends Chem. (IF 15.7) Pub Date : 2023-11-08 Jong An Lee, Ji Yeon Kim, Jung Ho Ahn, Yeah-Ji Ahn, Sang Yup Lee
Polyamides, also known as nylons, are important industrial polymers with repeating amide bonds. With the growing concern about climate change, technologies that can establish the foundation for a transition toward a carbon-neutral chemical industry are attracting considerable attention. This article provides an overview of the current advancements in the bio-based production of polyamide monomers using
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Radical strategies for chemodivergent cyclization reactions Trends Chem. (IF 15.7) Pub Date : 2023-11-07 Ling-Tao Wang, Bo Zhou, Fa-Liang Liu, Wen-Ting Wei, Long-Wu Ye
Chemodivergent reactions provide a unique platform for accessing expanded chemical space and diverse molecular structures from similar starting materials. The concept of tunable chemoselectivity can be realized by simple modifications to the substrate or reaction conditions. Among the known chemodivergent transformations, radical reactions have emerged as an exceedingly powerful toolbox for their simplicity
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Subscription and Copyright Information Trends Chem. (IF 15.7) Pub Date : 2023-11-01
Abstract not available
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Periods and practicals: how to help your students Trends Chem. (IF 15.7) Pub Date : 2023-10-24 Elba Feo, Sofia Olendraru, Michael O’Neill, Charlie H. Simms
Periods are a practical barrier that can impact the academic progression of those who experience them, particularly in physically intensive courses such as chemistry degrees. As we work towards equality in education it is important to improve the environment for those with periods and providing easy access to free period products in bathrooms across educational institutions is a practical way to do
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Chemistry of coordinatively unsaturated centers in zeolites Trends Chem. (IF 15.7) Pub Date : 2023-10-13 Xin Deng, Di Yang, Weijie Li, Yuchao Chai, Guangjun Wu, Landong Li
The concept of coordinatively unsaturated centers (CUCs) initially introduced in the realm of homogeneous catalysis using organometallic complexes has demonstrated its indispensability within the context of both enzyme and heterogeneous catalysis. With uniform molecule-sized channels high surface area and abundant basic/acidic sites zeolite can be regarded as an ideal scaffold for hosting CUCs and
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Layered rare-earth hydroxides: crystal engineering toward functional nanosheets Trends Chem. (IF 15.7) Pub Date : 2023-10-12 Jianbo Liang, Renzhi Ma, Takayoshi Sasaki
Anion-exchangeable layered host compounds have attracted significant interest in many areas of chemistry. In particular, disintegrating the crystalline layered solids into single layers provides molecularly thin 2D materials as graphene relatives. This review addresses a newly emerging layered host, layered rare-earth (RE) hydroxides, in which anion exchangeability is paired with the intriguing properties
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Single-crystalline covalent organic frameworks Trends Chem. (IF 15.7) Pub Date : 2023-10-09 Cheng Qian, Hongwei Wu, Wei Liang Teo, Yaozu Liao, Yanli Zhao
Covalent organic frameworks (COFs) are a useful class of crystalline porous materials assembled from organic molecular precursors via covalent bonds. Single-crystalline COFs have gained increasing attention because of their unique advantages, such as well-defined structures and improved performance, compared with their polycrystalline counterparts. However, the development of such materials has been
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Subscription and Copyright Information Trends Chem. (IF 15.7) Pub Date : 2023-10-04
Abstract not available
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Comparison of direct and CO2-oxidative dehydrogenation of propane Trends Chem. (IF 15.7) Pub Date : 2023-09-29 Yong Yuan, William N. Porter, Jingguang G. Chen
Propane dehydrogenation to propylene has received increasing attention due to the fast growth in propylene demand and the exploration of shale gas containing propane. Direct dehydrogenation of propane (DDHP) offers high propylene selectivity but is limited by quick deactivation due to coke formation. CO2-assisted oxidative dehydrogenation of propane (CO2-ODHP) can consume CO2 and meanwhile reduce coke
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Energy transfer during hydrogen atom collisions with surfaces Trends Chem. (IF 15.7) Pub Date : 2023-09-28 Nils Hertl, Reinhard J. Maurer
Hydrogen adsorption is an important cornerstone of many natural and technological processes, yet its atomistic details are not fully understood. Here, we review recent advances to understand the interactions between atomic hydrogen and substrates that lead to adsorption and discuss open questions.
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Designing nanoparticles for sustainable agricultural applications Trends Chem. (IF 15.7) Pub Date : 2023-09-21 Beza Tuga, Tana O’Keefe, Chaoyi Deng, Andrea T. Ligocki, Jason C. White, Christy L. Haynes
Progress toward achieving global food security continues to be hindered by several economic, geo-political, and environmental variables which has led the United Nations to place emphasis on achieving Zero Hunger by 2030. Thus, it is important to invest in novel, eco-friendly, and cost-effective solutions that will increase agricultural productivity. For this reason, nanoscale materials are increasingly
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Curated materials data of hybrid perovskites: approaches and potential usage Trends Chem. (IF 15.7) Pub Date : 2023-09-15 Rayan Chakraborty, Volker Blum
Over the past decade, hybrid perovskite research has evolved to a point where the literature contains an enormous volume of chemical and physical information. However, many essential material design challenges remain open for researchers to address. The dispersed nature of the large, rapidly growing body of hybrid perovskite materials data poses a barrier to systematic discovery efforts, which can
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Advances in organic materials for chiral luminescence-based OLEDs Trends Chem. (IF 15.7) Pub Date : 2023-09-14 Xiugang Wu, Xiuqin Yan, Yi Chen, Weiguo Zhu, Pi-Tai Chou
Emitters incorporating circularly polarized luminescence (CPL)-based organic light-emitting diodes (CP-OLEDs) are highly desirable in the pursuit of new optoelectronic applications such as 3D displays and optical data storage. In particular, emitters possessing circularly polarized thermally activated delayed fluorescence (CP-TADF) are able to achieve high efficiency in OLEDs. By further endowing multi-resonance
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Shape-controlled synthesis of metal nanocrystals: mind the surface heterogeneity Trends Chem. (IF 15.7) Pub Date : 2023-09-14 Quynh N. Nguyen, Ruhui Chen, Younan Xia
Shape-controlled metal nanocrystals have attracted growing interest due to their enhanced catalytic performance, cost-efficiency, and well-defined features for mechanistic investigations. However, the ultimate potential of these nanocrystals is limited by their surface heterogeneity. This review delves into the intricacies of surface heterogeneity, examining its role in dictating the sites for atom