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Open Access Original Research

Pd-Cu Bimetallic Based Catalysts for Nitrate Remediation in Water: Synthesis, Characterization, and the Influence of Supports

Received: 29 January 2022;  Published: 21 April 2022;  doi: 10.21926/cr.2202011

Abstract

The use of Pd-Cu bimetallic catalysts in the reduction of aqueous nitrate ions by hydrogen was studied. The catalysts were supported on multi-walled carbon nanotubes (MWCNTs), activated carbon (AC), and Titania, and the influence of the support on the nitrate reduction activity in water was then inv [...]

972 7808

Open Access Communication

A New Chiral Cyclopalladated Ferrocenylimine Self-assembly Polymeric Film supported on Silicon for Heck and Suzuki-coupling Reactions

Received: 21 March 2022;  Published: 14 April 2022;  doi: 10.21926/cr.2202010

Abstract

A new chiral cyclopalladated ferrocenyl imine catalyst (called 4a2) was designed and synthesized, and its self-assembly catalytic polymeric brush supported on silicon (denoted as Si@PB4a2) was also fabricated by surface-initiated atom transfer radical polymerization (ATRP) and characterized. The cat [...]

963 6525

Open Access Original Research

Hierarchical MFI Zeolite Catalysts: How to Determine Their Textural Properties?-A Comparative Study

Received: 26 January 2022;  Published: 14 April 2022;  doi: 10.21926/cr.2202009

Abstract

It is important to elucidate the role of the surface areas and pore volumes of hierarchical zeolites to understand their behavior as catalysts. Micro-and mesopore surface areas and volumes of the hierarchical MFI (Mobil Five zeolites) were assessed following several methods: (i) [...]

1262 9309

Open Access Original Research

Preparation of a Novel Bi2MoO6/Ag/Ag2CrO4 Catalyst with Promoted Visible Light Photodegradation of RhB Dye

Received: 29 January 2022;  Published: 07 April 2022;  doi: 10.21926/cr.2202008

Abstract

A series of novel Bi2MoO6/Ag/Ag2CrO4 heterostructure photocatalysts (denoted as BA-X, X = 1, 3, 5, 10) were synthesized using a coprecipitation method [...]

923 8056

Open Access Research Article

The Use of Composite TiO2/Activated Carbon Fibers as a Photocatalyst in a Sequential Adsorption/Photocatalysis Process for the Elimination of Ciprofloxacin

Received: 20 January 2022;  Published: 15 March 2022;  doi: 10.21926/cr.2201007

Abstract

This work reports the performance of a sequential adsorption/photocatalysis process using activated carbon fibers with deposited TiO2 for the elimination of the antibiotic ciprofloxacin (CIP) in water. A commercial activated carbon fiber (ACF10) was selected as the support, an [...]

994 8251

Open Access Review

Recent Progress in the Development of Molecular Electrocatalysts for Formate Oxidation

Received: 31 December 2021;  Published: 22 February 2022;  doi: 10.21926/cr.2201006

Abstract

Fuel cells based on renewable synthetic fuels are promising alternatives to fossil fuel combustion for efficient electricity production. Much focus has been placed on hydrogen as a chemical fuel, but being a flammable gas, there are challenges with its safe handling. Formic acid is an at [...]

893 8230

Open Access Original Research

Determining the Band Alignment at the BiVO4|NiOOH Interface Using the Hybrid DFT Technique

Received: 29 November 2021;  Published: 21 February 2022;  doi: 10.21926/cr.2201005

Abstract

It is important to understand the band offsets between semiconductors, which are crucial to determine the direction of electron transfer at the interfaces. Two methods are normally used to determine the direction from the first principles: alternating slabs put in contact (without empty [...]

771 6842

Open Access Communication

One-Pot Tandem Synthesis of Nitriles and Amides from Biomass Platform Compounds

Received: 28 December 2021;  Published: 21 February 2022;  doi: 10.21926/cr.2201004

Abstract

In recent years, research on converting biomass platform compounds into high-value chemicals and pharmaceutical intermediates has garnered huge interest. Nitrile and amide groups are key structures in natural products and biologically active molecules. The direct conversion of biomass pl [...]

1559 9908

Open Access Original Research

Controllable Cyclopalladated Polythiophene Imine Monolayer by Self-Assembly, Hybrid Doping and Electrochemical Polymerization: A Simple Way to Enhance Activity and Stability

Received: 13 December 2021;  Published: 03 February 2022;  doi: 10.21926/cr.2201003

Abstract

In this article, an approach to generate self-assembly cyclopalladated polythiophene imine monolayers (denoted as ITO@Pd-CPTIMs) is described. The monolayers were fabricated by combining self-assembly (SA), hybrid doping (HD), and electrochemical polym [...]

1093 7774

Open Access Original Research

Acetonitrile Combustion over Copper-Based Nanocatalysts: A Structure-Performance Relationship Study

Received: 01 December 2021;  Published: 26 January 2022;  doi: 10.21926/cr.2201002

Abstract

In this paper, the relationship between activity and structure of Cu2+ in different chemical environments of Cu-BETA, La2CuO4, and CuO nanocatalysts was systematically investigated for acetonitrile combustion. The study [...]

881 6700

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