Since the invention of amorphous indium-gallium-zinc-oxide(IGZO)based thin-film transistors(TFTs)by Hideo Hosono in 2004,investigations on the topic of IGZO TFTs have been rapidly expanded thanks to their high electri...Since the invention of amorphous indium-gallium-zinc-oxide(IGZO)based thin-film transistors(TFTs)by Hideo Hosono in 2004,investigations on the topic of IGZO TFTs have been rapidly expanded thanks to their high electrical performance,large-area uniformity,and low processing temperature.This article reviews the recent progress and major trends in the field of IGZO-based TFTs.After a brief introduction of the history of IGZO and the main advantages of IGZO-based TFTs,an overview of IGZO materials and IGZO-based TFTs is given.In this part,IGZO material electron travelling orbitals and deposition methods are introduced,and the specific device structures and electrical performance are also presented.Afterwards,the recent advances of IGZO-based TFT applications are summarized,including flat panel display drivers,novel sensors,and emerging neuromorphic systems.In particular,the realization of flexible electronic systems is discussed.The last part of this review consists of the conclusions and gives an outlook over the field with a prediction for the future.展开更多
Prefabricated ultra-thin radiant heating panel,as a new heating terminal type,is becoming a highlight in Yangtze River Valley area,China recently.However,there is a lack of operating characteristic research in this re...Prefabricated ultra-thin radiant heating panel,as a new heating terminal type,is becoming a highlight in Yangtze River Valley area,China recently.However,there is a lack of operating characteristic research in this region,especially the energy consumption and operating mode are even less.To obtain these data,a heating system was set up in a duplex house in Chongqing.The test results show that the floor heating system could almost satisfy thermal comfort requirement at supply water temperature 45°C.But the preheating time was up to 4.5 h which was 1 h longer than that at supply water temperature 50°C.Meanwhile,the energy consumption at supply water temperature 50°C increased 0.10 Nm3/h,and the operating efficiency decrease about 2.6%compared to those at water temperature 45°C.Considering both the thermal lag and operating efficiency,a reasonable suggestion was proposed in this paper.That was,the standard families which just stay home at night should adopt the interim mode of partial room with part time.And the supply water temperature should be properly raised during the preheating period and lowered down in the steady heating stage.展开更多
A solar panel is described,in which thin films of semiconductor are deposited onto a metal substrate.The semiconductor-metal combination forms a thin film photovoltaic cell,and also acts as a reflector-absorber tandem...A solar panel is described,in which thin films of semiconductor are deposited onto a metal substrate.The semiconductor-metal combination forms a thin film photovoltaic cell,and also acts as a reflector-absorber tandem,which acts as a solar selective surface,thus enhancing the solar thermal performance of the collector plate.The use of thin films reduces the distance heat is required to flow from the absorbing surface to the metal plate and heat exchange conduits.Computer modelling demonstrated that,by suitable choice of materials,photovoltaic efficiency can be maintained,with thermal performance slightly reduced,compared to that for thermal-only panels.By grading the absorber layer-to reduce the band gap in the lower region-the thermal performance can be improved,approaching that for a thermal-only solar panel.展开更多
基金The authors are grateful for the financial support from the National Natural Science Foundation of China(Grant No.62074075,61834001)the National Key R&D Program of China(Grant No.2019YFB2205400).
文摘Since the invention of amorphous indium-gallium-zinc-oxide(IGZO)based thin-film transistors(TFTs)by Hideo Hosono in 2004,investigations on the topic of IGZO TFTs have been rapidly expanded thanks to their high electrical performance,large-area uniformity,and low processing temperature.This article reviews the recent progress and major trends in the field of IGZO-based TFTs.After a brief introduction of the history of IGZO and the main advantages of IGZO-based TFTs,an overview of IGZO materials and IGZO-based TFTs is given.In this part,IGZO material electron travelling orbitals and deposition methods are introduced,and the specific device structures and electrical performance are also presented.Afterwards,the recent advances of IGZO-based TFT applications are summarized,including flat panel display drivers,novel sensors,and emerging neuromorphic systems.In particular,the realization of flexible electronic systems is discussed.The last part of this review consists of the conclusions and gives an outlook over the field with a prediction for the future.
基金This work was supported by the National Basic Research Program of China(Grant No.2011CB710701).
文摘Prefabricated ultra-thin radiant heating panel,as a new heating terminal type,is becoming a highlight in Yangtze River Valley area,China recently.However,there is a lack of operating characteristic research in this region,especially the energy consumption and operating mode are even less.To obtain these data,a heating system was set up in a duplex house in Chongqing.The test results show that the floor heating system could almost satisfy thermal comfort requirement at supply water temperature 45°C.But the preheating time was up to 4.5 h which was 1 h longer than that at supply water temperature 50°C.Meanwhile,the energy consumption at supply water temperature 50°C increased 0.10 Nm3/h,and the operating efficiency decrease about 2.6%compared to those at water temperature 45°C.Considering both the thermal lag and operating efficiency,a reasonable suggestion was proposed in this paper.That was,the standard families which just stay home at night should adopt the interim mode of partial room with part time.And the supply water temperature should be properly raised during the preheating period and lowered down in the steady heating stage.
文摘A solar panel is described,in which thin films of semiconductor are deposited onto a metal substrate.The semiconductor-metal combination forms a thin film photovoltaic cell,and also acts as a reflector-absorber tandem,which acts as a solar selective surface,thus enhancing the solar thermal performance of the collector plate.The use of thin films reduces the distance heat is required to flow from the absorbing surface to the metal plate and heat exchange conduits.Computer modelling demonstrated that,by suitable choice of materials,photovoltaic efficiency can be maintained,with thermal performance slightly reduced,compared to that for thermal-only panels.By grading the absorber layer-to reduce the band gap in the lower region-the thermal performance can be improved,approaching that for a thermal-only solar panel.
