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133 Results Found

  • Article
  • Open Access
2 Citations
1,798 Views
24 Pages

Membrane filtration has been widely used in wastewater treatment; contaminants attached to the membrane surface led to flux loss and service life reduction. In the present study, a photo-electrocatalysis membrane was fabricated with CNTs@TiO2 deposit...

  • Review
  • Open Access
3 Citations
3,238 Views
29 Pages

Review on Microreactors for Photo-Electrocatalysis Artificial Photosynthesis Regeneration of Coenzymes

  • Haixia Liu,
  • Rui Sun,
  • Yujing Yang,
  • Chuanhao Zhang,
  • Gaozhen Zhao,
  • Kaihuan Zhang,
  • Lijuan Liang and
  • Xiaowen Huang

15 June 2024

In recent years, with the outbreak of the global energy crisis, renewable solar energy has become a focal point of research. However, the utilization efficiency of natural photosynthesis (NPS) is only about 1%. Inspired by NPS, artificial photosynthe...

  • Article
  • Open Access
7 Citations
3,660 Views
14 Pages

From Photocatalysis to Photo-Electrocatalysis: An Innovative Water Remediation System for Sustainable Fish Farming

  • Eleonora Buoio,
  • Chiara Cialini,
  • Alessandra Cafiso,
  • Lucia Aidos,
  • Silvia Michela Mazzola,
  • Raffaella Rossi,
  • Simone Livolsi,
  • Alessia Di Giancamillo,
  • Vittorio Maria Moretti and
  • Chiara Bazzocchi
  • + 5 authors

24 July 2022

In this study, the effects of photo-electrocatalysis (PEC) were evaluated as an innovative application of conventional photocatalysis (PC) to remediate water in a recirculating system for rainbow trout (Oncorhynchus mykiss) culture, in relation to fi...

  • Review
  • Open Access
27 Citations
6,854 Views
22 Pages

20 April 2021

In recent years, due to the impact of global warming, environmental pollution, and the energy crisis, international attention and demand for clean energy are increasing. Hydrogen energy is recognized as one of the clean energy sources. Water is consi...

  • Article
  • Open Access
33 Citations
4,872 Views
20 Pages

31 January 2020

A recyclable photoelectrode with high degradation capability for organic pollutants is crucial for environmental protection and, in this work, a novel CeO2 quantum dot (QDs)/Ag2Se Z-scheme photoelectrode boasting increased visible light absorption an...

  • Article
  • Open Access
57 Citations
6,276 Views
20 Pages

Degradation of Carbamazepine by Photo(electro)catalysis on Nanostructured TiO2 Meshes: Transformation Products and Reaction Pathways

  • Silvia Franz,
  • Ermelinda Falletta,
  • Hamed Arab,
  • Sapia Murgolo,
  • Massimiliano Bestetti and
  • Giuseppe Mascolo

1 February 2020

Carbamazepine (CBZ) is a pharmaceutical compound recalcitrant to conventional wastewater treatment plants and widely detected in wastewater bodies. In the present study, advanced oxidation processes for carbamazepine removal are investigated, with pa...

  • Article
  • Open Access
14 Citations
2,730 Views
16 Pages

Evaluation of Photoelectrocatalysis with Electrode Based on Ti/RuO2-TiO2 Modified with Tin and Tantalum Oxides for the Degradation of Indigo Blue Dye

  • Alveriana Tagarro Tomaz,
  • Carla Regina Costa,
  • Maria de Lourdes S. Vasconcellos,
  • Rolando Pedicini and
  • Josimar Ribeiro

4 December 2022

Indigo Blue (IB) is a dye widely used by the textile sector for dyeing cellulose cotton fibers and jeans, being considered a recalcitrant substance, and therefore resistant to traditional treatments. Several methodologies are reported in the literatu...

  • Feature Paper
  • Article
  • Open Access
9 Citations
3,552 Views
16 Pages

Nanocellulose/Fullerene Hybrid Films Assembled at the Air/Water Interface as Promising Functional Materials for Photo-electrocatalysis

  • Francesco Milano,
  • Maria Rachele Guascito,
  • Paola Semeraro,
  • Shadi Sawalha,
  • Tatiana Da Ros,
  • Alessandra Operamolla,
  • Livia Giotta,
  • Maurizio Prato and
  • Ludovico Valli

12 January 2021

Cellulose nanomaterials have been widely investigated in the last decade, unveiling attractive properties for emerging applications. The ability of sulfated cellulose nanocrystals (CNCs) to guide the supramolecular organization of amphiphilic fullere...

  • Review
  • Open Access
704 Views
21 Pages

Hybrid Biocatalysis with Photoelectrocatalysis for Renewable Furan Derivatives’ Valorization: A Review

  • Shize Zheng,
  • Xiangshi Liu,
  • Bingqian Guo,
  • Yanou Qi,
  • Xifeng Lv,
  • Bin Wang and
  • Di Cai

1 November 2025

Biocatalysis is fundamental to biological processes and sustainable chemical productions. Over time, the biocatalysis strategy has been widely researched. Initially, biomanufacturing and catalysis of high-value chemicals were carried out through dire...

  • Review
  • Open Access
2 Citations
2,669 Views
32 Pages

3 June 2025

Micropollutants (MPs), which include both natural and manmade substances, are becoming more prevalent in aquatic habitats as a result of the insufficient removal of these compounds in wastewater treatment plants (WWTPs). Advanced remediation techniqu...

  • Review
  • Open Access
6 Citations
4,698 Views
52 Pages

27 December 2024

The elimination of pollutants in real water and wastewater is a challenge for the successful application of electrooxidation processes (EOPs). The presence of inorganic salts in the reaction medium is of great relevance during EOPs, with active parti...

  • Article
  • Open Access
13 Citations
3,523 Views
15 Pages

Au-Ag/TiO2 Thin Films Preparation by Laser Ablation and Sputtering Plasmas for Its Potential Use as Photoanodes in Electrochemical Advanced Oxidation Processes (EAOP)

  • Luis Alejandro Martínez-Chávez,
  • Eric Mauricio Rivera-Muñoz,
  • Rodrigo Rafael Velázquez-Castillo,
  • Luis Escobar-Alarcón and
  • Karen Esquivel

20 November 2021

Titanium dioxide (TiO2) is widely used, studied, and synthesized using different methodologies. By a modification of the material, it can be applied to wastewater treatment. A combined sputtering-laser ablation setup was used to deposit TiO2 thin fil...

  • Article
  • Open Access
12 Citations
3,675 Views
13 Pages

Trace Amounts of Co3O4 Nano-Particles Modified TiO2 Nanorod Arrays for Boosted Photoelectrocatalytic Removal of Organic Pollutants in Water

  • Yongling Du,
  • Zhixiang Zheng,
  • Wenzhuo Chang,
  • Chunyan Liu,
  • Zhiyong Bai,
  • Xinyin Zhao and
  • Chunming Wang

15 January 2021

Trace amounts of Co3O4 modified TiO2 nanorod arrays were successfully fabricated through the photochemical deposition method without adding any nocuous reagents. The Co3O4/TiO2 nanorod arrays fabricated in acid solution had the highest photo-electroc...

  • Article
  • Open Access
9 Citations
2,999 Views
19 Pages

Cu2O/SnO2 Heterostructures: Role of the Synthesis Procedure on PEC CO2 Conversion

  • Maddalena Zoli,
  • Hilmar Guzmán,
  • Adriano Sacco,
  • Nunzio Russo and
  • Simelys Hernández

21 June 2023

Addressing the urgent need to mitigate increasing levels of CO2 in the atmosphere and combat global warming, the development of earth-abundant catalysts for selective photo-electrochemical CO2 conversion is a central and pressing challenge. Toward th...

  • Feature Paper
  • Review
  • Open Access
1 Citations
915 Views
27 Pages

6 November 2025

Photo(electro)-catalysis has increasingly attracted attention from researchers due to its wide applications in green chemical transformation, including organic synthesis and environmental remediation. As a promising candidate, the n-type semiconducto...

  • Review
  • Open Access
16 Citations
7,411 Views
42 Pages

An Overview of Environmental Catalysis Mediated by Hydrogen Peroxide

  • Monica Rigoletto,
  • Enzo Laurenti and
  • Maria Laura Tummino

17 April 2024

The use of hydrogen peroxide (produced in situ or ex situ) as the main agent in oxidative processes of environmental pollutant removal is widely studied. The degradation of water pollutants, such as dyes, pharmaceuticals, cosmetics, petroleum derivat...

  • Article
  • Open Access
967 Views
19 Pages

Photoelectrocatalysis as an Effective Treatment for Removing Perfluoroalkyl Substances from Contaminated Groundwaters: The Real Case of the Veneto Region (Italy)

  • Alessandro Pietro Tucci,
  • Sapia Murgolo,
  • Cristina De Ceglie,
  • Giuseppe Mascolo,
  • Massimo Carmagnani,
  • Andrea Lucchini Huspek,
  • Massimiliano Bestetti and
  • Silvia Franz

22 September 2025

Per-polyfluoroalkyl substances (PFASs) are a class of persistent organic pollutants that have been detected in several environmental matrices. Photoelectrocatalysis (PEC) was employed to remove PFASs contained in natural groundwater collected in the...

  • Review
  • Open Access
24 Citations
4,661 Views
18 Pages

9 October 2022

Chemical energy conversion strategies by photocatalysis and electrocatalysis are promising approaches to alleviating our energy shortages and environmental issues. Due to the 2D layer structure, adjustable composition, unique thermal decomposition an...

  • Review
  • Open Access
7 Citations
3,047 Views
29 Pages

Advanced TiO2-Based Photoelectrocatalysis: Material Modifications, Charge Dynamics, and Environmental–Energy Applications

  • Xiongwei Liang,
  • Shaopeng Yu,
  • Bo Meng,
  • Xiaodi Wang,
  • Chunxue Yang,
  • Chuanqi Shi and
  • Junnan Ding

29 May 2025

This review presents a comprehensive overview of recent advances in TiO2-based photoelectrocatalysis (PEC), with an emphasis on material design strategies to enhance visible-light responsiveness and charge carrier dynamics. Key approaches—inclu...

  • Feature Paper
  • Article
  • Open Access
17 Citations
3,976 Views
15 Pages

Efficiency and Energy Demand in Polishing Treatment of Wastewater Treatment Plants Effluents: Photoelectrocatalysis vs. Photocatalysis and Photolysis

  • Maria Cristina Collivignarelli,
  • Marco Carnevale Miino,
  • Hamed Arab,
  • Massimiliano Bestetti and
  • Silvia Franz

17 March 2021

Photoelectrocatalysis (PEC), photolysis (PL), and photocatalysis (PC) were applied to increase the biodegradability of wastewaters effluents sampled from a plant collecting both municipal wastewaters and aqueous waste. In PEC, the catalyst was a poro...

  • Review
  • Open Access
11 Citations
2,444 Views
13 Pages

4 December 2022

The use of photocatalysis and photoelectrocatalysis is expected to achieve the efficient utilization of solar energy to alleviate and even solve the problems of energy depletion and environmental pfollution. At present, stannous tungstate materials h...

  • Feature Paper
  • Review
  • Open Access
21 Citations
4,489 Views
28 Pages

29 July 2021

Photoelectrocatalysis is a hybrid photon/electron-driven process that benefits from the synergistic effects of both processes to enhance and stabilize the generation of disinfecting oxidants. Photoelectrocatalysis is an easy to operate technology tha...

  • Article
  • Open Access
6 Citations
2,856 Views
13 Pages

Impact of Polarization Reversal during Photoelectrocatalytic Treatment of WWTP Effluents

  • Maria Cristina Collivignarelli,
  • Marco Carnevale Miino,
  • Francesca Maria Caccamo,
  • Alessandro Abbà,
  • Massimiliano Bestetti and
  • Silvia Franz

Photoelectrocatalysis (PEC) has been already proposed as a polishing treatment for wastewater treatment plants (WWTPs) effluents. In this work, the impact of polarization reversal during PEC process has been studied and evaluated on the basis of the...

  • Review
  • Open Access
101 Citations
10,399 Views
23 Pages

Research Progress in Conversion of CO2 to Valuable Fuels

  • Luyi Xu,
  • Yang Xiu,
  • Fangyuan Liu,
  • Yuwei Liang and
  • Shengjie Wang

11 August 2020

Rapid growth in the world’s economy depends on a significant increase in energy consumption. As is known, most of the present energy supply comes from coal, oil, and natural gas. The overreliance on fossil energy brings serious environmental pr...

  • Article
  • Open Access
12 Citations
4,609 Views
10 Pages

4 January 2021

Monolayer nanosheets have gained significant attention as functional materials and also in photo/electrocatalysis due to their unique physical/chemical properties, abundance of highly exposed coordination sites, edges, and corner sites, motivating th...

  • Article
  • Open Access
10 Citations
3,088 Views
10 Pages

1 October 2022

An Sb2S3-sensitized TiO2 (Sb2S3/TiO2) photo-anode (PA) exhibiting a high photo-electrochemical (PEC) performance in water oxidation has been successfully prepared by a simple chemical bath deposition (CBD) technique. Herein, the Raman spectra and XPS...

  • Article
  • Open Access
20 Citations
4,084 Views
14 Pages

Exploiting Direct Current Plasma Electrolytic Oxidation to Boost Photoelectrocatalysis

  • Silvia Franz,
  • Hamed Arab,
  • Andrea Lucotti,
  • Chiara Castiglioni,
  • Antonello Vicenzo,
  • Federico Morini and
  • Massimiliano Bestetti

14 March 2020

In this study, we report an investigation of the photoelectrochemical activity of TiO2 films formed by DC plasma electrolytic oxidation (PEO) at a variable potential in a sulfuric acid electrolyte at 0 and 25 °C. The surface morphology was mainly...

  • Article
  • Open Access
9 Citations
2,961 Views
11 Pages

12 September 2021

This work describes how conducting polymer nanocomposites can be employed as synergistic supports that significantly accelerate the rate of electro-catalysis. The nanocomposite PEDOT/nano-Co3O4/rGO is discussed as an example in this respect, which is...

  • Review
  • Open Access
84 Citations
11,145 Views
26 Pages

Recent Progress of Black Silicon: From Fabrications to Applications

  • Zheng Fan,
  • Danfeng Cui,
  • Zengxing Zhang,
  • Zhou Zhao,
  • Hongmei Chen,
  • Yanyun Fan,
  • Penglu Li,
  • Zhidong Zhang,
  • Chenyang Xue and
  • Shubin Yan

26 December 2020

Since black silicon was discovered by coincidence, the special material was explored for many amazing material characteristics in optical, surface topography, and so on. Because of the material property, black silicon is applied in many spheres of a...

  • Review
  • Open Access
3 Citations
2,224 Views
25 Pages

22 June 2024

Carbon dioxide (CO2) emission has been a global concern over the past few decades due to the increase in the demand of energy, a major source of which is fossil fuels. To mitigate the emission issues, as well as to find a solution for the energy need...

  • Article
  • Open Access
11 Citations
5,375 Views
11 Pages

Preparation of Assembled Carbon Soot Films and Hydrophobic Properties

  • Lei Zhao,
  • Kang Zhao,
  • Wei-Guo Yan and
  • Zhifeng Liu

19 November 2018

In this paper, a simple, inexpensive, and rapid method for the fabrication of controlled layer candle soot film has been reported by interface self-assembly and transferred method. The mechanism of candle soot self-assembly is explained and their mor...

  • Article
  • Open Access
2 Citations
2,896 Views
23 Pages

Flow Characteristics of Electrochemical Catalytic Reduction of CO2 in Microchannel

  • Qingjun Yang,
  • Rizhi Dong,
  • Rui Zhu,
  • Shangru Yang and
  • Wen Xie

6 May 2023

Human beings need abundant material support and energy supply in their exploration of the universe. The sustainable supply of materials is an important condition for long-term space exploration. In situ resource utilization technology (ISRU) is an im...

  • Article
  • Open Access
1,201 Views
13 Pages

23 December 2024

This investigation reports on the efficacy of a photoelectrocatalysis (PEC) system enhanced by a nitrogen-doped TiO2 nanocrystal-modified TiO2 nanotube array (N-TiO2 NCs/TNTAs) anode paired with a graphene oxide/activated carbon (GO/AC) photocathode...

  • Feature Paper
  • Article
  • Open Access
37 Citations
8,027 Views
12 Pages

Photoelectrocatalytic Hydrogen Production Using a TiO2/WO3 Bilayer Photocatalyst in the Presence of Ethanol as a Fuel

  • Panagiotis Marios Adamopoulos,
  • Ioannis Papagiannis,
  • Dimitrios Raptis and
  • Panagiotis Lianos

21 November 2019

Photoelectrocatalytic hydrogen production was studied by using a photoelectrochemical cell where the photoanode was made by depositing on FTO electrodes either a nanoparticulate WO3 film alone or a bilayer film made of nanoparticulate WO3 at the bott...

  • Review
  • Open Access
13 Citations
3,463 Views
19 Pages

Photogenerated Carrier-Assisted Electrocatalysts for Efficient Water Splitting

  • Xiang Li,
  • Xueyan Zheng,
  • Yanzhong Zhen and
  • Yucang Liang

8 April 2023

Electrocatalysts are the core component of electrocatalytic water splitting for improving its overall energy conversion efficiency and reducing the energy input. At present, the design of efficient electrocatalysts mainly focuses on optimizing their...

  • Article
  • Open Access
21 Citations
4,163 Views
14 Pages

TiO2@Cu2O n-n Type Heterostructures for Photochemistry

  • Anita Trenczek-Zajac,
  • Joanna Banas-Gac and
  • Marta Radecka

2 July 2021

A TiO2@Cu2O semiconductor heterostructure with better photochemical response compared to TiO2 was obtained using an electrochemical deposition method of Cu2O on the surface of TiO2 nanotubes. The choice of 1D nanotubes was motivated by the possibilit...

  • Review
  • Open Access
41 Citations
7,930 Views
23 Pages

Solar Hydrogen Fuel Generation from Wastewater—Beyond Photoelectrochemical Water Splitting: A Perspective

  • Sudhagar Pitchaimuthu,
  • Kishore Sridharan,
  • Sanjay Nagarajan,
  • Sengeni Ananthraj,
  • Peter Robertson,
  • Moritz F. Kuehnel,
  • Ángel Irabien and
  • Mercedes Maroto-Valer

9 October 2022

Green hydrogen—a carbon-free renewable fuel—has the capability to decarbonise a variety of sectors. The generation of green hydrogen is currently restricted to water electrolysers. The use of freshwater resources and critical raw material...

  • Article
  • Open Access
2 Citations
4,331 Views
14 Pages

27 December 2022

Photocatalysis and photoelectrocatalysis, as green and low-cost pollutant treatment technologies, have been widely used to simultaneously degrade pollutants and produce clean energy to solve the problems of environmental pollution and energy crisis....

  • Review
  • Open Access
73 Citations
8,131 Views
26 Pages

Technologies Employed in the Treatment of Water Contaminated with Glyphosate: A Review

  • Patricio J. Espinoza-Montero,
  • Carolina Vega-Verduga,
  • Paulina Alulema-Pullupaxi,
  • Lenys Fernández and
  • Jose L. Paz

26 November 2020

Glyphosate [N-(phosphonomethyl)-glycine] is a herbicide with several commercial formulations that are used generally in agriculture for the control of various weeds. It is the most used pesticide in the world and comprises multiple constituents (coad...

  • Article
  • Open Access
6 Citations
1,999 Views
22 Pages

Enhanced Photoelectrocatalytic Performance of ZnO Nanowires for Green Hydrogen Production and Organic Pollutant Degradation

  • Nawal Al Abass,
  • Talal F. Qahtan,
  • Amani M. Alansi,
  • Almqdad Bubshait,
  • Maria Al-Ghamdi,
  • Zahra Albu,
  • Noof Soltan Albasiry,
  • Hisham Mohammed Aljahfal,
  • Abdulrahman E. Aldossary and
  • Mohammed Tariq Faraj

19 January 2025

With growing environmental concerns and the need for sustainable energy, multifunctional materials that can simultaneously address water treatment and clean energy production are in high demand. In this study, we developed a cost-effective method to...

  • Review
  • Open Access
11 Citations
9,268 Views
19 Pages

Hydrogen

  • John O’M. Bockris

30 November 2011

The idea of a “Hydrogen Economy” is that carbon containing fuels should be replaced by hydrogen, thus eliminating air pollution and growth of CO2 in the atmosphere. However, storage of a gas, its transport and reconversion to electricity doubles the...

  • Proceeding Paper
  • Open Access
2 Citations
1,245 Views
6 Pages

Titanium dioxide has long been investigated for its excellent photocatalytic activity under UV illumination. However, its sluggish activity under visible-light illumination remains a challenge. Doping titanium dioxide with transition metals and non-m...

  • Article
  • Open Access
4 Citations
3,667 Views
21 Pages

Bismuth Vanadate-Nanostructured Graphite Electrodes for Rhodamine B Photoelectrochemical Degradation

  • Bruna Guimarães Isecke,
  • Arthur Saldanha Guimarães,
  • Guilhermina Ferreira Teixeira,
  • Flavio Colmati,
  • Aparecido Ribeiro de Souza,
  • Isaac Yves Lopes de Macêdo,
  • Lucas Mattos Duarte,
  • Sergio Botelho de Oliveira,
  • André Gabriel Carmo Costa and
  • Eric de Souza Gil
  • + 1 author

13 January 2023

Electrocatalysis is a promising way to treat water contaminated by harmful organic compounds. The combination of nanoparticles supported on a conductive substrate allows degradation to occur under less energetic conditions. This work evaluated the ef...

  • Review
  • Open Access
68 Citations
12,869 Views
24 Pages

Application of Electrochemical Oxidation for Water and Wastewater Treatment: An Overview

  • Mohammad Saleh Najafinejad,
  • Simeone Chianese,
  • Angelo Fenti,
  • Pasquale Iovino and
  • Dino Musmarra

In recent years, the discharge of various emerging pollutants, chemicals, and dyes in water and wastewater has represented one of the prominent human problems. Since water pollution is directly related to human health, highly resistant and emerging c...

  • Entry
  • Open Access
3,898 Views
20 Pages

28 December 2021

Residential and commercial buildings are responsible for over 30% of global final energy consumption and accounts for ~40% of annual direct and indirect greenhouse gas emissions. Energy efficient and sustainable technologies are necessary to not only...

  • Review
  • Open Access
14 Citations
5,967 Views
28 Pages

26 January 2022

Water oxidation is still one of the most important challenges to develop efficient artificial photosynthetic devices. In recent decades, the development and study of molecular complexes for water oxidation have allowed insight into the principles gov...

  • Article
  • Open Access
959 Views
26 Pages

Copper-Enhanced NiMo/TiO2 Catalysts for Bifunctional Green Hydrogen Production and Pharmaceutical Pollutant Removal

  • Nicolás Alejandro Sacco,
  • Fernanda Albana Marchesini,
  • Ilaria Gamba and
  • Gonzalo García

1 August 2025

This study presents the development of Cu-doped NiMo/TiO2 photoelectrocatalysts for simultaneous green hydrogen production and pharmaceutical pollutant removal under simulated solar irradiation. The catalysts were synthesized via wet impregnation (15...

  • Article
  • Open Access
12 Citations
3,660 Views
16 Pages

7 August 2021

Global warming is pushing the world to seek to green energy sources and hydrogen is a good candidate to substitute fossil fuels in the short term. In future, it is expected that production of hydrogen will be carried out through photo-electrocatalysi...

  • Review
  • Open Access
68 Citations
22,762 Views
55 Pages

15 April 2015

In the context of a future renewable energy system based on hydrogen storage as energy-dense liquid alcohols co-synthesized from recycled CO2, this article reviews advances in photocatalysis and photoelectrocatalysis that exploit solar (photonic) pri...

  • Review
  • Open Access
14 Citations
5,405 Views
29 Pages

29 December 2022

(Photo-)electrocatalytic artificial photosynthesis driven by electrical and/or solar energy that converts water (H2O) and carbon dioxide (CO2) into hydrogen (H2), carbohydrates and oxygen (O2), has proven to be a promising and effective route for pro...

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