Journal ArticleDOI
Work Function of TiO2 (Anatase, Rutile, and Brookite) Single Crystals: Effects of the Environment
Vera Mansfeldova,Magda Zlamalova,Hana Tarábková,Pavel Janda,Mykhailo Vorokhta,Lesia Piliai,Ladislav Kavan +6 more
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In this paper, the position of the Fermi level and the conductivity of the conductance were measured on various TiO2 single-crystal surfaces using the Kelvin probe.Abstract:
Electrochemical impedance spectroscopy, photoelectron spectroscopy, and Kelvin probe measurements on various TiO2 single-crystal surfaces show that the position of the Fermi level and the conductio...read more
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Platinum-Titania Schottky Junction as Nanosonosensitizer, Glucose Scavenger, and Tumor Microenvironment-Modulator for Promoted Cancer Treatment.
TL;DR: In this article , a smart therapeutic nanoplatform is constructed by surface immobilization of glucose oxidase (GOx) onto a TiO2@Pt Schottky junction.
Journal ArticleDOI
Review of Interface Passivation of Perovskite Layer.
TL;DR: In this paper, the authors introduced and summarized practical interface engineering techniques for improving the efficiency and stability of organic-inorganic lead halide perovskite solar cells (PSCs) and summarized the effect of defects at the interface of the PSCs, energy level alignment, and chemical reactions on the efficiency of a PSC.
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Carbon Nanotube-Based Field-Effect Transistor-Type Sensor with a Sensing Gate for Ppb-Level Formaldehyde Detection.
TL;DR: The detection of harmful trace gases, such as formaldehyde (HCHO), is a technical challenge in the current gas sensor field as mentioned in this paper, and the weak electrical signal caused by trace amounts of gases is difficult to detect.
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Effects of Field-Effect and Schottky Heterostructure on p-Type Graphene-Based Gas Sensor Modified by n-Type In2O3 and Phenylenediamine
TL;DR: A promising guide for developing graphene-based gas sensors is proposed in this article , which can be divided into three categories: 1) building devices with Fermi level near the Dirac point (E F,Dirac ), 2) enhancing the adsorption probability f(x) and 3) accelerating mobility.
Journal ArticleDOI
Effects of Field-Effect and Schottky Heterostructure on p-Type Graphene-Based Gas Sensor Modified by n-Type In2O3 and Phenylenediamine
Joung Hwan Choi,Jin Sung Seo,Ha Eun Jeong,KyongHwa Song,Sung-Hyeon Baeck,Sang Eun Shim,Yingjie Qian +6 more
TL;DR: In this paper, a device employing p-type reduced graphene oxide (rGO) decorated with n-type indium oxide and phenylenediamine (GIP) was designed and fabricated by adopting approaches 1 and 2 (EF,Dirac and f(x) enhancement).
References
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Challenges in band alignment between semiconducting materials: A case of rutile and anatase TiO2
Daoyu Zhang,Shuai Dong +1 more
TL;DR: In this paper, the authors focus on the recently active debate on the band alignment between two polymorphs of TiO2, rutile and anatase, and propose a new classification of band alignment as the coupled and intrinsic band alignments.
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Spectroelectrochemical analysis of TiO2 electronic states – Implications for the photocatalytic activity of anatase and rutile
TL;DR: In this paper, a modified spectroelectrochemical method for the characterisation of vacant electronic states distributed close to the edge of the titanium dioxide conduction band was proposed. And the applicability of the method for determination of deep and shallow electron traps was confirmed.
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Brookite TiO2 mesocrystals with enhanced lithium-ion intercalation properties.
TL;DR: Brookite TiO2 mesocrystals were synthesized for the first time using amorphous titanate used as a precursor, exhibiting a high rate capability when applied as an anode for lithium-ion batteries.
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Fermi Level Positions and Induced Band Bending at Single Crystalline Anatase (101) and (001) Surfaces: Origin of the Enhanced Photocatalytic Activity of Facet Engineered Crystals
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Electron-Selective Layers for Dye-Sensitized Solar Cells Based on TiO2 and SnO2
TL;DR: Titanium dioxide (anatase, rutile) and quasi-amorphous tin dioxide are prepared on F-doped SnO2 in the form of dense thin films, which can serve as electron-selective layers in perovskite solar cel...