How to correctly determine the band gap energy of modified semiconductor photocatalysts based on UV–Vis spectra

P Makuła, M Pacia, W Macyk - The journal of physical chemistry …, 2018 - ACS Publications
A misuse of the Tauc plot to determine the band gap energy of semiconductors may lead to
erroneous estimates. Particularly large errors can be associated with characterization of …

Crystallography and properties of polyoxotitanate nanoclusters

P Coppens, Y Chen, E Trzop - Chemical reviews, 2014 - ACS Publications
Polyoxotitanate nanoparticles play a crucial role as anodes in photovoltaic cells, 1 and as
photocatalysts in processes such as the oxidation of organic compounds in polluted air and …

Structure defined 2D Mo2C/2Dg-C3N4 Van der Waals heterojunction: Oriented charge flow in-plane and separation within the interface to collectively promote …

Y Zhou, C Zhang, D Huang, W Wang, Y Zhai… - Applied Catalysis B …, 2022 - Elsevier
Pharmaceuticals and personal care products (PPCPs) are a large class of emerging
contaminants. Here, we develop a 2D/2D Mo 2 C/gC 3 N 4 Van der Waals (VDW) …

Continuous Electrical Conductivity Variation in M3(Hexaiminotriphenylene)2 (M = Co, Ni, Cu) MOF Alloys

T Chen, JH Dou, L Yang, C Sun… - Journal of the …, 2020 - ACS Publications
We report on the continuous fine-scale tuning of band gaps over 0.4 eV and of the electrical
conductivity of over 4 orders of magnitude in a series of highly crystalline binary alloys of two …

Optical band gaps of organic semiconductor materials

JCS Costa, RJS Taveira, CF Lima, A Mendes… - Optical Materials, 2016 - Elsevier
UV–Vis can be used as an easy and forthright technique to accurately estimate the band
gap energy of organic π-conjugated materials, widely used as thin films/composites in …

2D/2D Interface Engineering Promotes Charge Separation of Mo2C/gC3N4 Nanojunction Photocatalysts for Efficient Photocatalytic Hydrogen Evolution

W Liu, D Zhang, R Wang, Z Zhang… - ACS Applied Materials & …, 2022 - ACS Publications
The focus of designing and synthesizing composite catalysts with high photocatalytic
efficiency is the regulation of nanostructures and optimization of heterojunctions. By …

Automated method for the determination of the band gap energy of pure and mixed powder samples using diffuse reflectance spectroscopy

A Escobedo-Morales, II Ruiz-López, ML Ruiz-Peralta… - Heliyon, 2019 - cell.com
An automated method to determine the band gap energy (E g) of pure and mixed powder
compounds using diffuse reflectance spectroscopy is presented. This method is based on a …

A New and stable Mo-Mo2C modified g-C3N4 photocatalyst for efficient visible light photocatalytic H2 production

J Dong, Y Shi, C Huang, Q Wu, T Zeng… - Applied Catalysis B …, 2019 - Elsevier
Abstract Design and preparation of highly efficient and stable cocatalysts are critical to the
improvement of photocatalyst performance. A traditional cocatalyst consists of metal …

Well-controlled SrTiO3@ Mo2C core-shell nanofiber photocatalyst: boosted photo-generated charge carriers transportation and enhanced catalytic performance for …

X Yue, S Yi, R Wang, Z Zhang, S Qiu - Nano Energy, 2018 - Elsevier
In artificial photocatalysis for hydrogen (H 2) generation from water reduction, low apparent
quantum efficiency (AQE) always confines the photocatalytic conversion efficiency. Here, we …

Synergetic Integration of Cu1.94S–ZnxCd1–xS Heteronanorods for Enhanced Visible-Light-Driven Photocatalytic Hydrogen Production

Y Chen, S Zhao, X Wang, Q Peng, R Lin… - Journal of the …, 2016 - ACS Publications
In this Communication, we present the integration of synergetic designs into high-quality,
well-defined Cu1. 94S–Zn x Cd1–x S heteronanorods (0≤ x≤ 1) for enhanced …