Article
Optics
Min Zheng, Hepeng Zhao, Yu Ou-yang, Lihui Li, Chi Zhang, Yang Li, Xiaoxia Wang, Xiujuan Zhuang
Summary: In this study, a new single-source chemical vapor deposition method was developed to grow high-quality single-crystalline erbium chloride silicate nanostructures, and a nanoscale thermometer based on their fluorescence was realized.
Article
Chemistry, Analytical
James Ethan Batey, Meek Yang, Hannah Giang, Bin Dong
Summary: In this study, an ultrahigh-throughput spectroscopy and microscopy imaging system was developed to characterize AuNPs at the single-particle level using phasor analysis. The developed method allows quantification of spectra and spatial information of a large number of AuNPs with high temporal resolution and localization precision. Compared to conventional optical grating method, the phasor approach enables high-throughput analysis of single-particle SPR properties in high particle density, demonstrating up to 10-fold greater efficiency.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Haisheng Huang, Qi Kong, Xin Yue, Kunlei Wang, Zhishun Wei, Ying Chang
Summary: Single crystalline anatase TiO2 microspheres with {001}/{101} facets were synthesized via a facile one-pot hydrothermal method using NaF as a morphology controlling agent. The effects of NaF amount on morphology and photocatalytic activity were systematically investigated. Results showed that microspheres with improved morphology were obtained at a NaF concentration of 0.1 mol/L. Furthermore, the crystal structure and morphology were found to play significant roles in the photocatalytic activity, with TiO2 microspheres achieving a degradation efficiency of 76.4% for Tetracycline hydrochloride within 2 hours. A growth mechanism involving F ion modified Ostwald ripening and oriented attachment was proposed based on the investigation of the growth process.
Article
Physics, Applied
E. Lavrov, I Chaplygin, F. Herklotz, V. V. Melnikov, Y. Kutin
Summary: This article discusses the impact of hydrogen on the electrical and optical properties of titanium dioxide, and the use of various analysis methods to understand the properties of hydrogen in anatase.
JOURNAL OF APPLIED PHYSICS
(2022)
Article
Chemistry, Multidisciplinary
Tanya Gupta, Samriti, Junghyun Cho, Jai Prakash
Summary: Titanium dioxide (TiO2) is a top semiconductor photocatalyst with the optical band gap and photocatalytic properties that can be further tuned by adjusting the nanostructures. One-dimensional TiO2 nanostructures are of great importance in various fields due to their directional transmission properties resulting from their geometry.
MATERIALS TODAY CHEMISTRY
(2021)
Article
Materials Science, Multidisciplinary
Kaipeng Liu, Fangyuan Cheng, Yunfei Luo, Ling Liu, Changtao Wang, Kui Xie, Xiangang Luo
Summary: A lattice reconstruction strategy based on solid-solid transformation is used to grow macro-sized porous single crystal-like anatase TiO2, which exhibits excellent photoelectrochemical properties.
FRONTIERS IN MATERIALS
(2023)
Article
Crystallography
Iskander R. Vakhitov, Nikolay M. Lyadov, Vladimir I. Vdovin, Anton K. Gutakovskii, Vladimir I. Nuzhdin, Lenar R. Tagirov, Rustam I. Khaibullin
Summary: This study investigates the potential use of magnetic nanoparticles embedded into semiconductors for semiconducting spintronics. Iron ions were implanted into oxide semiconductors and TiO2 plates, and various techniques were used to analyze the microstructure, elemental composition, and magnetic properties. The results show that high-fluence ion implantation leads to the formation of magnetic nanoparticles of metallic iron beneath the surface of rutile.
Article
Chemistry, Multidisciplinary
Duoduo Gao, Jiachao Xu, Huogen Yu, Yongping Liu, Jiaguo Yu
Summary: A hydroxyl-enriched highly crystalline TiO2 suspensible photocatalyst was synthesized using a simple ethanol-controlled hydrolysis and in situ crystallization method, and exhibited a significantly higher H-2 evolution rate than the well-known commercial P25 TiO2 without any cocatalysts.
CHEMICAL COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Juan Xie, Wei Wen, Rui Jiang, Jin-Ming Wu
Summary: Single-crystalline rutile TiO2 nanorod arrays were directly deposited on flexible and conductive Ti substrates through a hydrothermal technique, achieving high PEC activity. The distribution density of TiO2 nanorods and PEC efficiency can be influenced by adjusting the TBT concentration and hydrothermal duration. The maximum reaction rate constant significantly increased and the photocurrent showed good stability.
Article
Chemistry, Multidisciplinary
Hemanth Kumar Bangolla, Yueh-Chien Lee, Wei-Chu Shen, Rajesh Kumar Ulaganathan, Raman Sankar, He-Yun Du, Ruei-San Chen
Summary: The photoconduction properties of tungsten disulfide (WS2) nanoflakes obtained by mechanical exfoliation were investigated. Photocurrent measurements were performed using a 532 nm laser source at various illumination powers. The results showed a linear relationship between the photocurrent and excitation power, and the photoresponsivity remained consistent at higher light intensities (400-4000 Wm(-2)). The WS2 photodetector demonstrated excellent performance, with a responsivity ranging from 36-73 AW(-1) and a normalized gain ranging from 3.5-7.3 10(-6) cm(2)V(-1) at a lower bias voltage of 1 V. The consistent photoresponse at different light intensities suggests the potential of WS2 nanostructures for novel optoelectronic device applications.
Review
Chemistry, Multidisciplinary
Kun Lan, Qiulong Wei, Dongyuan Zhao
Summary: This Review discusses the synthesis of novel mesoporous TiO2 materials, with a focus on the monomicelle assembly strategy for controlling the formation of mesostructured TiO2. Typical applications of mesoporous TiO2 in batteries and photocatalysis are highlighted, and the outlook for the synthesis of mesoporous TiO2 with tailored architectures through self-assembly is discussed.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Bohan Chen, Wenxuan Zhu, Tian Wang, Bin Peng, Yiwei Xu, Guohua Dong, Yunting Guo, Haixia Liu, Houbing Huang, Ming Liu
Summary: In this study, high-quality freestanding single-crystalline PbZrO3 membranes were obtained using a water-soluble sacrificial layer method. PbZrO3/PVDF composites with different film thicknesses were constructed, and their dielectric properties and polarization response significantly improved, achieving a record-high energy density. Phase-field simulation showed that inserting PbZrO3 membranes effectively reduced breakdown paths, making single-crystalline AFE oxide membranes useful for composite-based high-power capacitors.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Congcong Xing, Linlin Yang, Ren He, Maria Chiara Spadaro, Yu Zhang, Jordi Arbiol, Junshan Li, Bed Poudel, Amin Nozariasbmarz, Wenjie Li, Khak Ho Lim, Yu Liu, Jordi Llorca, Andreu Cabot
Summary: This study aims to investigate the electrochromic performance of defect-engineered brookite titanium dioxide nanorods (TiO2 NRs) with different lengths as potential energy storage materials. The results show that TiO2 NRs with inherent defects exhibit improved electrochromic performance, including enhanced resistance to degradation, shorter response times, and increased coloration efficiency.
Article
Nanoscience & Nanotechnology
Alex Mesnier, Arumugam Manthiram
Summary: In the pursuit of Li-ion batteries with higher energy density, ultrahigh-nickel layered oxides are a leading candidate for next-generation cathode materials. Single-crystalline morphology offers a solution to the poor stability of ultrahigh-Ni cathodes. Molten-salt synthesis is an alternative method for obtaining single crystals, accelerating grain growth through the presence of a molten flux without the need for increased temperature. This work provides guidelines for molten-salt synthesis and aims to engender more rigorous investigation into the nature and applications of single-crystal layered oxide cathodes.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Materials Science, Multidisciplinary
Alp Kilic, Onur Alev, Okan Ozdemir, Leyla Colakerol Arslan, Serkan Buyukkose, Zafer Ziya Ozturk
Summary: In this study, the gas sensing properties of Ag loaded n-type TiO2 nanorods were investigated, showing significantly enhanced sensitivity and selectivity to acetone. Additionally, the catalytic effect of Ag reduced the operating temperature required for sensing.
