Smart elastomers have attracted great interest due to their excellent adaptability to changing environments and affinity to living organisms,characterized by their ability to undergo programmable deformations or prope...Smart elastomers have attracted great interest due to their excellent adaptability to changing environments and affinity to living organisms,characterized by their ability to undergo programmable deformations or property changes in response to external stimuli(e.g.,heat,light,pH,or electric/magnetic fields).They exhibit huge potential to drive the innovation of soft actuators,robotics,biomedical devices,and wearable electronics.This special issue of Chinese Journal of Polymer Science(CJPS)is dedicated to showcasing cutting-edge advancements in liquid crystal elastomers,hydrogels and the related soft actuators,with a focus on the design,synthesis,characterization,and application of stimuli-responsive soft elastomers and their integration into functional actuation systems.展开更多
Artificial Intelligence-native Radio Access Networks(AI-RAN)represent a transformative direction in the evolution of mobile networks towards the sixth-generation(6G)wireless networks and beyond.With the explosive grow...Artificial Intelligence-native Radio Access Networks(AI-RAN)represent a transformative direction in the evolution of mobile networks towards the sixth-generation(6G)wireless networks and beyond.With the explosive growth of mobile data traffic,the proliferation of intelligent devices,and the diversification of application scenarios(e.g.,XR,digital twin,vehicular networks),traditional wireless access network architectures are increasingly challenged by system complexity,dynamic environments,and real-time requirements.展开更多
Thin films of tin chalcogenides may find use in photovoltaic devices,and nanocrystals of such materials are attractive due to their tuneable band gaps and potential in photovoltaic,photonic and optoelectronic applicat...Thin films of tin chalcogenides may find use in photovoltaic devices,and nanocrystals of such materials are attractive due to their tuneable band gaps and potential in photovoltaic,photonic and optoelectronic applications.Tin(Ⅱ)sulfide(SnS)is of particular interest due to its band gap of 1.4 eV,which is similar to that of silicon(1.1 eV).This review seeks to provide an overview of the chemical routes currently known for the synthesis of tin chalcogenides as thin films or in nanocrystalline form,as well as exploring routes to copper zinc tin sulfide(CZTS)and mesoporous tin chalcogenides.展开更多
Electrochemical oxygen reduction is a key process for many energy storage and conversion devices,and finding highly efficient,economical,and durable electrocatalysts to replace the Pt-based catalyst for the oxygen red...Electrochemical oxygen reduction is a key process for many energy storage and conversion devices,and finding highly efficient,economical,and durable electrocatalysts to replace the Pt-based catalyst for the oxygen reduction reaction(ORR)is a critical obstacle.展开更多
The wide band gap of bismuth ferrate-based materials limits their application in optoelectronic devices,and how to achieve band gap modulation in the simplest manner is the primary requirement for their industrializat...The wide band gap of bismuth ferrate-based materials limits their application in optoelectronic devices,and how to achieve band gap modulation in the simplest manner is the primary requirement for their industrialization.BiFeO_(3)(BFO)films can achieve narrower bandgaps than those under substrate strain,interphase strain,or chemical strain.In this study,we have achieved simultaneously increased tetragonality and reduced bandgaps in the tetragonal-like phase BFO-based films through chemical strain.Co substitution can be controlled by both stoichiometric ratios and atomic deposition rates.The tetragonality can increase up to a large c/a of 1.239,and the bandgap can decrease to 1.45 eV from 2.21 eV.The oxygen vacancies are closely related to the decrease of the band gap.Density functional theory calculations indicate that the introduction of Co and oxygen vacancies essentially reduced the conduction band bottom,resulting from the hybridization energy levels of Co 3d and O 2p,respectively.This paper provides a new strategy for the regulation of the optical band gap of BFO and further reveals its underlying mechanism.展开更多
Lithium/sodium ion secondary batteries are an ideal power source for electric vehicles,portable electronic devices and energy storage devices,and recent studies have found that they are more environmentally friendly t...Lithium/sodium ion secondary batteries are an ideal power source for electric vehicles,portable electronic devices and energy storage devices,and recent studies have found that they are more environmentally friendly than other batteries.Innovative research on new electrode materials is the foundation for the development of neoteric high-performance batteries.Phosphorus offers a high theoretical specific capacity and is naturally abundant,thus making it utilizable in electrode materials.At present,however,our understanding of phosphorous materials is deficient,which hinders its widespread development and application,especially in the area of energy storage.To address this issue,the properties of P allotropes have been reviewed in this work.We introduce the recent development of P as an electrode material for energy storage,including the preparation of composite materials and the influence of the structure of the material on its electrochemical properties,among others.Furthermore,this review highlights that distinct P structures modulate the electrochemical properties of the material.Finally,we present a vision of the future development of phosphorous materials in the energy storage field.展开更多
Optical spectroscopy is crucial for understanding the optical properties of materials,characterizing the performance of photonic devices,and monitoring industrial processes based on spectral detection[1–3].However,co...Optical spectroscopy is crucial for understanding the optical properties of materials,characterizing the performance of photonic devices,and monitoring industrial processes based on spectral detection[1–3].However,commercial spectrometers often involve intricate optical setups and have substantial physical dimensions,especially for spectrometers with high precision.Consequently,there is a motivation to develop miniaturized spectrometers with increasement in portability and environmental robustness,which will broaden the scope of information acquisition in both scientific research and industrial applications[4].展开更多
CONSPECTUS:The microfluidic biochemical/immunoassay systems typically consist of microfluidic chips,fluid driving devices,and detection components.The core of the system is the microfluidic chips based on microfluidic...CONSPECTUS:The microfluidic biochemical/immunoassay systems typically consist of microfluidic chips,fluid driving devices,and detection components.The core of the system is the microfluidic chips based on microfluidic technology,which are typically constructed with nonresponsive materials such as silicon,glass,and rigid plastics,thus requiring complex external air/liquid pumps to manipulate the samples.The external equipment renders the microfluidic systems cumbersome and increases the risk of biosample contamination.展开更多
文摘Smart elastomers have attracted great interest due to their excellent adaptability to changing environments and affinity to living organisms,characterized by their ability to undergo programmable deformations or property changes in response to external stimuli(e.g.,heat,light,pH,or electric/magnetic fields).They exhibit huge potential to drive the innovation of soft actuators,robotics,biomedical devices,and wearable electronics.This special issue of Chinese Journal of Polymer Science(CJPS)is dedicated to showcasing cutting-edge advancements in liquid crystal elastomers,hydrogels and the related soft actuators,with a focus on the design,synthesis,characterization,and application of stimuli-responsive soft elastomers and their integration into functional actuation systems.
基金Start-up Funding for the 2025 National High-End Talent Frontier Project(01)(70012501A01)National Natural Science Foundation of China(62571056,62301222,62201504,62571191,and 62301328)+1 种基金Major Science and Technology Projects of Jiangsu(BG2025038)the Xiaomi Young Talents Program.
文摘Artificial Intelligence-native Radio Access Networks(AI-RAN)represent a transformative direction in the evolution of mobile networks towards the sixth-generation(6G)wireless networks and beyond.With the explosive growth of mobile data traffic,the proliferation of intelligent devices,and the diversification of application scenarios(e.g.,XR,digital twin,vehicular networks),traditional wireless access network architectures are increasingly challenged by system complexity,dynamic environments,and real-time requirements.
文摘Thin films of tin chalcogenides may find use in photovoltaic devices,and nanocrystals of such materials are attractive due to their tuneable band gaps and potential in photovoltaic,photonic and optoelectronic applications.Tin(Ⅱ)sulfide(SnS)is of particular interest due to its band gap of 1.4 eV,which is similar to that of silicon(1.1 eV).This review seeks to provide an overview of the chemical routes currently known for the synthesis of tin chalcogenides as thin films or in nanocrystalline form,as well as exploring routes to copper zinc tin sulfide(CZTS)and mesoporous tin chalcogenides.
基金supported by the National Key Scientific Instrument and Equipment Development Project of China(No.21627809)the National Natural Science Foundation of China(No.21601064)the Special Foundation for Taishan Scholar Professorship of Shandong Province(No.ts20130937).
文摘Electrochemical oxygen reduction is a key process for many energy storage and conversion devices,and finding highly efficient,economical,and durable electrocatalysts to replace the Pt-based catalyst for the oxygen reduction reaction(ORR)is a critical obstacle.
基金supported by the National Key Research and Development Program of China(2018YFA0703700 and 2017YFE0119700)the National Natural Science Foundation of China(21801013,51774034,and 51961135107)+2 种基金the Fundamental Research Funds for the Central Universities(FRF-TP-19-055A2Z)the National Program for Support of Topnotch Young Professionalsthe Young Elite Scientists Sponsorship Program by CAST(2019-2021QNRC)。
文摘The wide band gap of bismuth ferrate-based materials limits their application in optoelectronic devices,and how to achieve band gap modulation in the simplest manner is the primary requirement for their industrialization.BiFeO_(3)(BFO)films can achieve narrower bandgaps than those under substrate strain,interphase strain,or chemical strain.In this study,we have achieved simultaneously increased tetragonality and reduced bandgaps in the tetragonal-like phase BFO-based films through chemical strain.Co substitution can be controlled by both stoichiometric ratios and atomic deposition rates.The tetragonality can increase up to a large c/a of 1.239,and the bandgap can decrease to 1.45 eV from 2.21 eV.The oxygen vacancies are closely related to the decrease of the band gap.Density functional theory calculations indicate that the introduction of Co and oxygen vacancies essentially reduced the conduction band bottom,resulting from the hybridization energy levels of Co 3d and O 2p,respectively.This paper provides a new strategy for the regulation of the optical band gap of BFO and further reveals its underlying mechanism.
基金supported by the Program for New Century Excellent Talents of the University in China(NCET-13-0645)National Natural Science Foundation of China(NSFC-21201010,21671170 and 21673203)+2 种基金Innovation Scientists and Technicians Troop Construction Projects of Henan Province(164200510018)Program for Innovative Research Team(in Science and Technology)in University of Henan Province(14IRTSTHN004)Six Talent Plan(2015-XCL-030),and Qinglan Project.We also acknowledge the Priority Academic Program Development of Jiangsu Higher Education Institutions and the technical support we received from the Testing Center of Yangzhou University.
文摘Lithium/sodium ion secondary batteries are an ideal power source for electric vehicles,portable electronic devices and energy storage devices,and recent studies have found that they are more environmentally friendly than other batteries.Innovative research on new electrode materials is the foundation for the development of neoteric high-performance batteries.Phosphorus offers a high theoretical specific capacity and is naturally abundant,thus making it utilizable in electrode materials.At present,however,our understanding of phosphorous materials is deficient,which hinders its widespread development and application,especially in the area of energy storage.To address this issue,the properties of P allotropes have been reviewed in this work.We introduce the recent development of P as an electrode material for energy storage,including the preparation of composite materials and the influence of the structure of the material on its electrochemical properties,among others.Furthermore,this review highlights that distinct P structures modulate the electrochemical properties of the material.Finally,we present a vision of the future development of phosphorous materials in the energy storage field.
基金supported by the National Key Research and Development Program of China(2021YFA1400800)the Quantum Science Strategic Initiative(GDZX2206001 and GDZX2306003)+2 种基金the Natural Science Foundation of Guangdong Province(2022B1515020067 and 2024B1515040013)the Postdoctoral Fellowship Program of CPSF(GZB20240909)the China Postdoctoral Science Foundation(2024M763733)。
文摘Optical spectroscopy is crucial for understanding the optical properties of materials,characterizing the performance of photonic devices,and monitoring industrial processes based on spectral detection[1–3].However,commercial spectrometers often involve intricate optical setups and have substantial physical dimensions,especially for spectrometers with high precision.Consequently,there is a motivation to develop miniaturized spectrometers with increasement in portability and environmental robustness,which will broaden the scope of information acquisition in both scientific research and industrial applications[4].
基金financially supported by the National Natural Science Foundation of China(51927805,52233001)the Innovation Program of Shanghai Municipal Education Commission(2023ZKZD07).
文摘CONSPECTUS:The microfluidic biochemical/immunoassay systems typically consist of microfluidic chips,fluid driving devices,and detection components.The core of the system is the microfluidic chips based on microfluidic technology,which are typically constructed with nonresponsive materials such as silicon,glass,and rigid plastics,thus requiring complex external air/liquid pumps to manipulate the samples.The external equipment renders the microfluidic systems cumbersome and increases the risk of biosample contamination.
