Tin(IV)oxide(Sn_(3)O_(4))is layered tin and exhibits mixed valence states.It has emerged as a highly promising visible-light pho-tocatalyst,attracting considerable attention.This comprehensive review is aimed at provi...Tin(IV)oxide(Sn_(3)O_(4))is layered tin and exhibits mixed valence states.It has emerged as a highly promising visible-light pho-tocatalyst,attracting considerable attention.This comprehensive review is aimed at providing a detailed overview of the latest advance-ments in research,applications,advantages,and challenges associated with Sn_(3)O_(4)photocatalytic nanomaterials.The fundamental con-cepts and principles of Sn_(3)O_(4)are introduced.Sn_(3)O_(4)possesses a unique crystal structure and optoelectronic properties that allow it to ab-sorb visible light efficiently and generate photoexcited charge carriers that drive photocatalytic reactions.Subsequently,strategies for the control and improved performance of Sn_(3)O_(4)photocatalytic nanomaterials are discussed.Morphology control,ion doping,and hetero-structure construction are widely employed in the optimization of the photocatalytic performance of Sn_(3)O_(4)materials.The effective imple-mentation of these strategies improves the photocatalytic activity and stability of Sn_(3)O_(4)nanomaterials.Furthermore,the review explores the diverse applications of Sn_(3)O_(4)photocatalytic nanomaterials in various fields,such as photocatalytic degradation,photocatalytic hydro-gen production,photocatalytic reduction of carbon dioxide,solar cells,photocatalytic sterilization,and optoelectronic sensors.The discus-sion focuses on the potential of Sn_(3)O_(4)-based nanomaterials in these applications,highlighting their unique attributes and functionalities.Finally,the review provides an outlook on the future development directions in the field and offers guidance for the exploration and de-velopment of novel and efficient Sn_(3)O_(4)-based nanomaterials.Through the identification of emerging research areas and potential avenues for improvement,this review aims to stimulate further advancements in Sn_(3)O_(4)-based photocatalysis and facilitate the translation of this promising technology into practical applications.展开更多
In recent years,Fe_(3)O_(4)nanomaterials have received much attention in analytical chemistry due to their excellent magnetic and peroxidase-like activity.As the catalytic characteristics of Fe_(3)O_(4)nanomaterials i...In recent years,Fe_(3)O_(4)nanomaterials have received much attention in analytical chemistry due to their excellent magnetic and peroxidase-like activity.As the catalytic characteristics of Fe_(3)O_(4)nanomaterials is similar to those of horseradish peroxidase(HRP),Fe_(3)O_(4)nanomaterials are also used as peroxidase mimics and have achieved a certain development in many fields based on latest research results.To improve the stability and catalytic ability of simple Fe_(3)O_(4)nanomaterials,various modification strategies of Fe_(3)O_(4)nanomaterials have been developed.The recent advances of these strategies have been presented and discussed.In addition,this paper introduces the application of Fe_(3)O_(4)nanozymes in the detection of food and industrial pollutants,as well as in the field of biosafety.展开更多
Accurate and effective detection of hydrogen peroxide(H_(2)O_(2))is of great significance in physiological functions as well as industrial applications.In this paper,the rod-like NiO-Co_(3)O_(4)nanomaterials were synt...Accurate and effective detection of hydrogen peroxide(H_(2)O_(2))is of great significance in physiological functions as well as industrial applications.In this paper,the rod-like NiO-Co_(3)O_(4)nanomaterials were synthesized by a simple hydrothermal method for electrochemical detection of H_(2)O_(2).The characterization results indicated that the nanomaterials possess high porosity and excellent conductivity,and displayed good electrocatalysis activity at the same time.Under alkaline conditions,the as-prepared nanomaterials can catalyze the reduction of H_(2)O_(2)and realize the electron transfer between H_(2)O_(2)and the electrode.The H_(2)O_(2)electrochemical sensor based on NiO-Co_(3)O_(4)nanomaterials exhibited a wide linear response(1-250 and 250-1200μmol/L),a low detection limit(0.1μmol/L)and a high sensitivity(5305.59μA/(mmol/L·cm^(2))(S/N=3)).In addition,the fabricated sensor showed high selectivity,good repeatability and high stability.The applications of the proposed sensor for H_(2)O_(2)detection in food samples were demonstrated and satisfactory results were obtained.展开更多
基金the National Natural Science Foundation of China(No.52272212)the Natural Science Foundation of Shandong Province(Nos.ZR2022JQ20 and ZR2023MB126)+2 种基金the Taishan Scholar Project of Shandong Province(No.tsqn202211168)the Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science,MOE(No.M2022-7)the STIEI scientific research funding project(No.GCC2023036).
文摘Tin(IV)oxide(Sn_(3)O_(4))is layered tin and exhibits mixed valence states.It has emerged as a highly promising visible-light pho-tocatalyst,attracting considerable attention.This comprehensive review is aimed at providing a detailed overview of the latest advance-ments in research,applications,advantages,and challenges associated with Sn_(3)O_(4)photocatalytic nanomaterials.The fundamental con-cepts and principles of Sn_(3)O_(4)are introduced.Sn_(3)O_(4)possesses a unique crystal structure and optoelectronic properties that allow it to ab-sorb visible light efficiently and generate photoexcited charge carriers that drive photocatalytic reactions.Subsequently,strategies for the control and improved performance of Sn_(3)O_(4)photocatalytic nanomaterials are discussed.Morphology control,ion doping,and hetero-structure construction are widely employed in the optimization of the photocatalytic performance of Sn_(3)O_(4)materials.The effective imple-mentation of these strategies improves the photocatalytic activity and stability of Sn_(3)O_(4)nanomaterials.Furthermore,the review explores the diverse applications of Sn_(3)O_(4)photocatalytic nanomaterials in various fields,such as photocatalytic degradation,photocatalytic hydro-gen production,photocatalytic reduction of carbon dioxide,solar cells,photocatalytic sterilization,and optoelectronic sensors.The discus-sion focuses on the potential of Sn_(3)O_(4)-based nanomaterials in these applications,highlighting their unique attributes and functionalities.Finally,the review provides an outlook on the future development directions in the field and offers guidance for the exploration and de-velopment of novel and efficient Sn_(3)O_(4)-based nanomaterials.Through the identification of emerging research areas and potential avenues for improvement,this review aims to stimulate further advancements in Sn_(3)O_(4)-based photocatalysis and facilitate the translation of this promising technology into practical applications.
基金the financial support from the National Natural Science Foundation of China(Nos.31901799,21705060,21605105 and 32001804)the Natural Science Foundation of Jiangsu Province,China(Nos.BK20211340 and BK20180979)+1 种基金Opening Project of Key Laboratory of Impurity Spectrum of Chemical Drug,China(No.NMPA-KLIPCD-2020-09)the Emerging science and technology innovation team funding of JUST(No.1182921902)。
文摘In recent years,Fe_(3)O_(4)nanomaterials have received much attention in analytical chemistry due to their excellent magnetic and peroxidase-like activity.As the catalytic characteristics of Fe_(3)O_(4)nanomaterials is similar to those of horseradish peroxidase(HRP),Fe_(3)O_(4)nanomaterials are also used as peroxidase mimics and have achieved a certain development in many fields based on latest research results.To improve the stability and catalytic ability of simple Fe_(3)O_(4)nanomaterials,various modification strategies of Fe_(3)O_(4)nanomaterials have been developed.The recent advances of these strategies have been presented and discussed.In addition,this paper introduces the application of Fe_(3)O_(4)nanozymes in the detection of food and industrial pollutants,as well as in the field of biosafety.
基金provided by Natural science fund for colleges and universities in Jiangsu Province (19KJB550002)State Key Laboratory of Analytical Chemistry for Life Science (SKLACLS2001),Nanjing University
文摘Accurate and effective detection of hydrogen peroxide(H_(2)O_(2))is of great significance in physiological functions as well as industrial applications.In this paper,the rod-like NiO-Co_(3)O_(4)nanomaterials were synthesized by a simple hydrothermal method for electrochemical detection of H_(2)O_(2).The characterization results indicated that the nanomaterials possess high porosity and excellent conductivity,and displayed good electrocatalysis activity at the same time.Under alkaline conditions,the as-prepared nanomaterials can catalyze the reduction of H_(2)O_(2)and realize the electron transfer between H_(2)O_(2)and the electrode.The H_(2)O_(2)electrochemical sensor based on NiO-Co_(3)O_(4)nanomaterials exhibited a wide linear response(1-250 and 250-1200μmol/L),a low detection limit(0.1μmol/L)and a high sensitivity(5305.59μA/(mmol/L·cm^(2))(S/N=3)).In addition,the fabricated sensor showed high selectivity,good repeatability and high stability.The applications of the proposed sensor for H_(2)O_(2)detection in food samples were demonstrated and satisfactory results were obtained.
