Among the substantial amount of photocatalyst materials,TiO2 has been enthusiastically studied for a few decades due to its outstanding photocatalytic activity and stability.Recently,black TiO2 consisting of approxima...Among the substantial amount of photocatalyst materials,TiO2 has been enthusiastically studied for a few decades due to its outstanding photocatalytic activity and stability.Recently,black TiO2 consisting of approximately 2 nm of thin disorder layer around the surface showed surprisingly high solar hydrogen generation ability.The disorder layer of TiO2 can enhance its light absorption,charge separation,and surface reaction abilities,however exact fundamentals of photocatalytic water-splitting pathways are still ambiguous.Herein,recent progress and investigations on exact functions of disorder layer and its application in photocatalytic CO2 reduction will be discussed.Throughout the comprehensive studies on disorder layer of TiO2,disorder engineering on photocatalyst materials will suggest the further extension of developing solarfuel production technologies.展开更多
基金Sungsoon Kim and Yoonjun Cho contributed equally to this study.This study was supported by the National Research Foundation of Korea(2015M1A2A2074663,NRF-2019M1A2A2065612,and 2019R1A4A1029237)This study was also supported by the Korea Institute of Energy Technology Evaluation and Planning and the Ministry of Trade,Industry&Energy of the Republic of Korea(No.20163010012450).
文摘Among the substantial amount of photocatalyst materials,TiO2 has been enthusiastically studied for a few decades due to its outstanding photocatalytic activity and stability.Recently,black TiO2 consisting of approximately 2 nm of thin disorder layer around the surface showed surprisingly high solar hydrogen generation ability.The disorder layer of TiO2 can enhance its light absorption,charge separation,and surface reaction abilities,however exact fundamentals of photocatalytic water-splitting pathways are still ambiguous.Herein,recent progress and investigations on exact functions of disorder layer and its application in photocatalytic CO2 reduction will be discussed.Throughout the comprehensive studies on disorder layer of TiO2,disorder engineering on photocatalyst materials will suggest the further extension of developing solarfuel production technologies.
