Organic-inorganic hybrids are next-generation materials for use in high-performance optoelectronic devices owing to their adaptabilities in terms of design and properties.This article reviews the application of hybrid...Organic-inorganic hybrids are next-generation materials for use in high-performance optoelectronic devices owing to their adaptabilities in terms of design and properties.This article reviews the application of hybrid materials and layers in several widely used optoelectronic devices,i.e.,light amplification by stimulated emission of radiation(LASER),solar cells,and light-emitting diodes(LEDs).The effects of the incorporation of inorganic particles on photostability and optical gain are analyzed in the first section with reference to dye and perovskite lasers.Second,the strategies used in blending inorganic nanostructures into organic solar cells and bulk heterojunctions are analyzed.The use of various organic layers as electron-and hole-transport materials in Si heterojunction solar cells is reviewed in detail.Finally,the benefits of the presence of organic components in quantum-dot-and perovskite-based LEDs are derived from the analysis.The integration of organic and inorganic components with optimal interfaces and morphologies is a challenge in developing hybrid materials with improved efficiencies.展开更多
Hirudotherapy has a broad spectrum of therapeutic application in the medical field ranging from cardiology,gynaecology,ophthalmology,plastic and reconstructive surgeries.In medieval and early modern medicine,leeches w...Hirudotherapy has a broad spectrum of therapeutic application in the medical field ranging from cardiology,gynaecology,ophthalmology,plastic and reconstructive surgeries.In medieval and early modern medicine,leeches were used to remove blood from patients in an attempt to balance the biological humours.Leeches are widely used to treat venous congestion in microvascular replantation,free and conventional flap surgery and traumatology.Recently,Food and Drug Administration has approved the usage of live leeches as medical device for therapeutic applications.Presently,some of the leech species have declined dramatically in its population due to the over utilization of leech for medicinal purposes and also due to pollution in several parts of the world particularly in European and Asian countries.This review presents an overview of leech including the history,biology,classification,and its application as medical device.Further,it also covers the controversies and misconception related to leech species identification and complications of post hirudotherapy.展开更多
基金M.Arya thanks the Kerala State Council for Science,Technology,and Environment,Government of Kerala,India,for providing a research fellowship(Ref.317)S.Heera thanks the Department of Science and Technology,Government of India(IF200250)for providing a research fellowship via the Innovation in Science Pursuit for Inspired Research scheme.Funding from the University Grants Commission(UGC),Government of India,via a UGC-BSR start-up grant(F.30–596/2021(BSR))is also gratefully acknowledged.
文摘Organic-inorganic hybrids are next-generation materials for use in high-performance optoelectronic devices owing to their adaptabilities in terms of design and properties.This article reviews the application of hybrid materials and layers in several widely used optoelectronic devices,i.e.,light amplification by stimulated emission of radiation(LASER),solar cells,and light-emitting diodes(LEDs).The effects of the incorporation of inorganic particles on photostability and optical gain are analyzed in the first section with reference to dye and perovskite lasers.Second,the strategies used in blending inorganic nanostructures into organic solar cells and bulk heterojunctions are analyzed.The use of various organic layers as electron-and hole-transport materials in Si heterojunction solar cells is reviewed in detail.Finally,the benefits of the presence of organic components in quantum-dot-and perovskite-based LEDs are derived from the analysis.The integration of organic and inorganic components with optimal interfaces and morphologies is a challenge in developing hybrid materials with improved efficiencies.
文摘Hirudotherapy has a broad spectrum of therapeutic application in the medical field ranging from cardiology,gynaecology,ophthalmology,plastic and reconstructive surgeries.In medieval and early modern medicine,leeches were used to remove blood from patients in an attempt to balance the biological humours.Leeches are widely used to treat venous congestion in microvascular replantation,free and conventional flap surgery and traumatology.Recently,Food and Drug Administration has approved the usage of live leeches as medical device for therapeutic applications.Presently,some of the leech species have declined dramatically in its population due to the over utilization of leech for medicinal purposes and also due to pollution in several parts of the world particularly in European and Asian countries.This review presents an overview of leech including the history,biology,classification,and its application as medical device.Further,it also covers the controversies and misconception related to leech species identification and complications of post hirudotherapy.