倍半氧化物
材料科学
光探测
制作
光热治疗
纳米技术
钛
带隙
光电子学
冶金
光电探测器
医学
替代医学
病理
作者
Yangyang Li,Yangyu Zhu,Mingzheng Wang,Mingwen Zhao,Jun Min Xue,Jingsheng Chen,Tom Wu,Scott A. Chambers
标识
DOI:10.1002/adfm.202203491
摘要
Abstract Titanium sesquioxide (Ti 2 O 3 ) is drawing broad attention due to its fascinating physical properties and promising applications in the fields of energy, biomedicine, and electronics, among others. Its richness is due mainly to the strongly correlated 3 d 1 electrons on the Ti 3+ sites. In stark contrast to titanium dioxide (TiO 2 ), Ti 2 O 3 has an ultra‐narrow bandgap (≈0.1 eV) at room temperature, resulting from strong correlation among the 3 d 1 electrons. Distinct electrical and optical properties are introduced in Ti 2 O 3 , accompanied with varied intriguing applications. Remarkable photothermal conversion, infrared photodetection, and electrocatalytic properties have been reported and explored in the past few years. Based on its unique and excellent properties, Ti 2 O 3 has been utilized in seawater desalination, electrocatalytic water splitting, cancer therapy, hydrogen production, mid‐infrared photodetection, nitrogen fixation, Li‐ion batteries, etc. Herein, the fabrication, structural and electronic properties of Ti 2 O 3 are comprehensively introduced, with a focused summary of recent research progress on its applications. Finally, current challenges, opportunities, and future perspectives of Ti 2 O 3 are discussed.
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