Marcio A. P. Almeida, Ph.D., has done graduation in Chemistry from the State University of Maranhão and obtained his Ph.D. in Inorganic Chemistry from Federal University of São Carlos (UFSCar) in 2013. He did his post-doctorate from Chemistry Institute in UNESP in 2013 in nanomaterials physical-chemistry and their applications as photocatalytic and photoluminescente materials. He is Professor of Federal University of Maranhão, where it been highlighted as a newly hired researcher professor in functionalized nanomaterials. In 2018, has developed research at the field of renewable energy (solar cell) in the College of Science & Engineering, Flinders University. Currently, he has a lot of experience in obtaining functionalized nanomaterials forward application catalytic.Surender K. Sharma, Ph.D., is a faculty in Physics at Central University of Punjab, India. He has received his Ph.D. in Physics with specialization in Materials Science from Himachal Pradesh University, Shimla, India in collaboration with Inter University of Accelerator Centre, New Delhi. He was recipient of FAPEMA Senior Researcher Award in 2015. His current research is focused on the development of smart materials for magnetic, energy, environmental and biomedical applications.Geraldo E. Luz Jr., Ph.D., He graduated in Chemistry from the Federal University of Piauí (2001), and has a master’s degree in Chemistry from the Federal University of Piauí (2003) and a Ph.D. in Chemistry from the Federal University of Rio Grande do Norte (2010). He is Associate Professor IV at the State University of Piauí, where he is also coordinator of the Postgraduate Program in Chemistry and was Pro-Rector of Research and Postgraduate Studies. Between 2020 and 2023, he was the Coordinator of Regional 1 (North, Northeast, and Central-West) of the Brazilian Catalysis Society (SBCat). He served as Manager and Technical-Scientific Director of the Piauí State Research Support Foundation (FAPEPI). At the postgraduate level, he works with the Postgraduate Programs in Chemistry at the Federal (UFPI) and State (UESPI) Universities of Piauí, with guidance at master’s and doctoral levels. He has experience in Chemistry, with an emphasis on Heterogeneous Catalysis, working in photocatalysis and heterogeneous photoelectrocatalysis, development of semiconductor oxide systems, and solar energy conversion.Elson Longo, Ph.D., Professor Emeritus and Head of the Department of Chemistry at UFSCar, Professor HONORIS CAUSA at UFPB. Ph.D. in Physical Chemistry from the Physics Institute of USP-São Carlos, he has published more than 1,406 articles in international journals, Index H 88, 39,788 citations, has 39 requests for privileges and generated more than 1300 works in conferences in the last 13 years. He developed more than 42 projects and agreements with the Federal and State governments, and also with companies (with CSN alone there were more than 45 projects). He supervised and co-supervised more than 170 theses and dissertations. He has received more than 23 awards and honorable mentions. He maintains strong exchanges with national and international research institutions in Spain, France, USA and Italy. He is the Director of the Center for the Development of Functional Materials (CDMF/FAPESP), which was designed for the development of basic and technological research, teaching and technology transfer to the private sector. He is also a member of the World Academy of Ceramics, of the Academy of Sciences of the State of São Paulo (ACIESP), and of the Brazilian Academy of Sciences.Laécio S. Cavalcante, Ph.D., He is currently Adjunct Professor 3 at the State University of Piauí-UESPI at the Natural Sciences Center (CCN) of the Department of Chemistry. He teaches classes in General, Inorganic, and Instrumental Chemistry. He is a researcher with a CNPq productivity grant at the PQ-E level and a permanent member of the postgraduate programs in Chemistry (PPGQ) -UESPI and Materials Science and Engineering (PPGCM). He has also been conducting research in the GERATEC-CETEM-GrEEnTec laboratories since 2013 at Brazil-Teresina-PI. He has published seven book chapters, as well as around 167 scientific papers, most of them in top-level international journals on themes related to semiconductor materials (Synthesis methods, Structural characterization, Cluster coordination, Photoluminescence, Photocatalysis, Colorimetry, Sensors, Bactericide, Supercapacitors, and Catalysts). It has an index-H: 58 (Scopus), index-H: 55 (Web of Science), and index-H: 64 with more than 10,000 citations in Google Scholar. His name is ranked at 2% of the World’s top-cited Scientists; published on 4 October 2023 at Elsevier Data Repository.

• Dedication. Preface. 1. Introduction. 2. Fundamental Mechanism for Semiconductor Photocatalysts. 3. Synthesis Strategy to Obtain Oxide Photocatalysts. 4. Method of Characterization for Photocatalysts. 5. Energy Band Engineering of Semiconductor Forward Enhanced Photocatalysis. 6. Ag-based Metal Oxides as Semiconductors: A Joint Theoretical and Experimental Investigation on the Photocatalytic Activity. 7. Semiconductor Materials for Degradation of Organic Pollutants. 8. Fundamentals of Photoelectrocatalysis for Environmental Applications. 9. Heterojunction Nanostructures for Photocatalysis. 10. Semiconductor Photocatalytic for Green Hydrogen Generation. 11. Plasmonic-based Photocatalysts for Environmental Remediation. 12. Photocatalyst for Solar Cell Conversion. 13. Fundamentals of Semiconductors for Supercapacitor. 14. Nanomaterials for Fuel Cell Applications. 15. Ferroelectric Semiconductors for Photocatalysis. Index. About the Editors.

Marcio A. P. Almeida, Ph.D., has done graduation in Chemistry from the State University of Maranhão and obtained his Ph.D. in Inorganic Chemistry from Federal University of São Carlos (UFSCar) in 2013. He did his post-doctorate from Chemistry Institute in UNESP in 2013 in nanomaterials physical-chemistry and their applications as photocatalytic and photoluminescente materials. He is Professor of Federal University of Maranhão, where it been highlighted as a newly hired researcher professor in functionalized nanomaterials. In 2018, has developed research at the field of renewable energy (solar cell) in the College of Science & Engineering, Flinders University. Currently, he has a lot of experience in obtaining functionalized nanomaterials forward application catalytic.Surender K. Sharma, Ph.D., is a faculty in Physics at Central University of Punjab, India. He has received his Ph.D. in Physics with specialization in Materials Science from Himachal Pradesh University, Shimla, India in collaboration with Inter University of Accelerator Centre, New Delhi. He was recipient of FAPEMA Senior Researcher Award in 2015. His current research is focused on the development of smart materials for magnetic, energy, environmental and biomedical applications.Geraldo E. Luz Jr., Ph.D., He graduated in Chemistry from the Federal University of Piauí (2001), and has a master’s degree in Chemistry from the Federal University of Piauí (2003) and a Ph.D. in Chemistry from the Federal University of Rio Grande do Norte (2010). He is Associate Professor IV at the State University of Piauí, where he is also coordinator of the Postgraduate Program in Chemistry and was Pro-Rector of Research and Postgraduate Studies. Between 2020 and 2023, he was the Coordinator of Regional 1 (North, Northeast, and Central-West) of the Brazilian Catalysis Society (SBCat). He served as Manager and Technical-Scientific Director of the Piauí State Research Support Foundation (FAPEPI). At the postgraduate level, he works with the Postgraduate Programs in Chemistry at the Federal (UFPI) and State (UESPI) Universities of Piauí, with guidance at master’s and doctoral levels. He has experience in Chemistry, with an emphasis on Heterogeneous Catalysis, working in photocatalysis and heterogeneous photoelectrocatalysis, development of semiconductor oxide systems, and solar energy conversion.Elson Longo, Ph.D., Professor Emeritus and Head of the Department of Chemistry at UFSCar, Professor HONORIS CAUSA at UFPB. Ph.D. in Physical Chemistry from the Physics Institute of USP-São Carlos, he has published more than 1,406 articles in international journals, Index H 88, 39,788 citations, has 39 requests for privileges and generated more than 1300 works in conferences in the last 13 years. He developed more than 42 projects and agreements with the Federal and State governments, and also with companies (with CSN alone there were more than 45 projects). He supervised and co-supervised more than 170 theses and dissertations. He has received more than 23 awards and honorable mentions. He maintains strong exchanges with national and international research institutions in Spain, France, USA and Italy. He is the Director of the Center for the Development of Functional Materials (CDMF/FAPESP), which was designed for the development of basic and technological research, teaching and technology transfer to the private sector. He is also a member of the World Academy of Ceramics, of the Academy of Sciences of the State of São Paulo (ACIESP), and of the Brazilian Academy of Sciences.Laécio S. Cavalcante, Ph.D., He is currently Adjunct Professor 3 at the State University of Piauí-UESPI at the Natural Sciences Center (CCN) of the Department of Chemistry. He teaches classes in General, Inorganic, and Instrumental Chemistry. He is a researcher with a CNPq productivity grant at the PQ-E level and a permanent member of the postgraduate programs in Chemistry (PPGQ) -UESPI and Materials Science and Engineering (PPGCM). He has also been conducting research in the GERATEC-CETEM-GrEEnTec laboratories since 2013 at Brazil-Teresina-PI. He has published seven book chapters, as well as around 167 scientific papers, most of them in top-level international journals on themes related to semiconductor materials (Synthesis methods, Structural characterization, Cluster coordination, Photoluminescence, Photocatalysis, Colorimetry, Sensors, Bactericide, Supercapacitors, and Catalysts). It has an index-H: 58 (Scopus), index-H: 55 (Web of Science), and index-H: 64 with more than 10,000 citations in Google Scholar. His name is ranked at 2% of the World’s top-cited Scientists; published on 4 October 2023 at Elsevier Data Repository.

• Dedication. Preface. 1. Introduction. 2. Fundamental Mechanism for Semiconductor Photocatalysts. 3. Synthesis Strategy to Obtain Oxide Photocatalysts. 4. Method of Characterization for Photocatalysts. 5. Energy Band Engineering of Semiconductor Forward Enhanced Photocatalysis. 6. Ag-based Metal Oxides as Semiconductors: A Joint Theoretical and Experimental Investigation on the Photocatalytic Activity. 7. Semiconductor Materials for Degradation of Organic Pollutants. 8. Fundamentals of Photoelectrocatalysis for Environmental Applications. 9. Heterojunction Nanostructures for Photocatalysis. 10. Semiconductor Photocatalytic for Green Hydrogen Generation. 11. Plasmonic-based Photocatalysts for Environmental Remediation. 12. Photocatalyst for Solar Cell Conversion. 13. Fundamentals of Semiconductors for Supercapacitor. 14. Nanomaterials for Fuel Cell Applications. 15. Ferroelectric Semiconductors for Photocatalysis. Index. About the Editors.

Marcio A. P. Almeida, Ph.D., has done graduation in Chemistry from the State University of Maranhão and obtained his Ph.D. in Inorganic Chemistry from Federal University of São Carlos (UFSCar) in 2013. He did his post-doctorate from Chemistry Institute in UNESP in 2013 in nanomaterials physical-chemistry and their applications as photocatalytic and photoluminescente materials. He is Professor of Federal University of Maranhão, where it been highlighted as a newly hired researcher professor in functionalized nanomaterials. In 2018, has developed research at the field of renewable energy (solar cell) in the College of Science & Engineering, Flinders University. Currently, he has a lot of experience in obtaining functionalized nanomaterials forward application catalytic.Surender K. Sharma, Ph.D., is a faculty in Physics at Central University of Punjab, India. He has received his Ph.D. in Physics with specialization in Materials Science from Himachal Pradesh University, Shimla, India in collaboration with Inter University of Accelerator Centre, New Delhi. He was recipient of FAPEMA Senior Researcher Award in 2015. His current research is focused on the development of smart materials for magnetic, energy, environmental and biomedical applications.Geraldo E. Luz Jr., Ph.D., He graduated in Chemistry from the Federal University of Piauí (2001), and has a master’s degree in Chemistry from the Federal University of Piauí (2003) and a Ph.D. in Chemistry from the Federal University of Rio Grande do Norte (2010). He is Associate Professor IV at the State University of Piauí, where he is also coordinator of the Postgraduate Program in Chemistry and was Pro-Rector of Research and Postgraduate Studies. Between 2020 and 2023, he was the Coordinator of Regional 1 (North, Northeast, and Central-West) of the Brazilian Catalysis Society (SBCat). He served as Manager and Technical-Scientific Director of the Piauí State Research Support Foundation (FAPEPI). At the postgraduate level, he works with the Postgraduate Programs in Chemistry at the Federal (UFPI) and State (UESPI) Universities of Piauí, with guidance at master’s and doctoral levels. He has experience in Chemistry, with an emphasis on Heterogeneous Catalysis, working in photocatalysis and heterogeneous photoelectrocatalysis, development of semiconductor oxide systems, and solar energy conversion.Elson Longo, Ph.D., Professor Emeritus and Head of the Department of Chemistry at UFSCar, Professor HONORIS CAUSA at UFPB. Ph.D. in Physical Chemistry from the Physics Institute of USP-São Carlos, he has published more than 1,406 articles in international journals, Index H 88, 39,788 citations, has 39 requests for privileges and generated more than 1300 works in conferences in the last 13 years. He developed more than 42 projects and agreements with the Federal and State governments, and also with companies (with CSN alone there were more than 45 projects). He supervised and co-supervised more than 170 theses and dissertations. He has received more than 23 awards and honorable mentions. He maintains strong exchanges with national and international research institutions in Spain, France, USA and Italy. He is the Director of the Center for the Development of Functional Materials (CDMF/FAPESP), which was designed for the development of basic and technological research, teaching and technology transfer to the private sector. He is also a member of the World Academy of Ceramics, of the Academy of Sciences of the State of São Paulo (ACIESP), and of the Brazilian Academy of Sciences.Laécio S. Cavalcante, Ph.D., He is currently Adjunct Professor 3 at the State University of Piauí-UESPI at the Natural Sciences Center (CCN) of the Department of Chemistry. He teaches classes in General, Inorganic, and Instrumental Chemistry. He is a researcher with a CNPq productivity grant at the PQ-E level and a permanent member of the postgraduate programs in Chemistry (PPGQ) -UESPI and Materials Science and Engineering (PPGCM). He has also been conducting research in the GERATEC-CETEM-GrEEnTec laboratories since 2013 at Brazil-Teresina-PI. He has published seven book chapters, as well as around 167 scientific papers, most of them in top-level international journals on themes related to semiconductor materials (Synthesis methods, Structural characterization, Cluster coordination, Photoluminescence, Photocatalysis, Colorimetry, Sensors, Bactericide, Supercapacitors, and Catalysts). It has an index-H: 58 (Scopus), index-H: 55 (Web of Science), and index-H: 64 with more than 10,000 citations in Google Scholar. His name is ranked at 2% of the World’s top-cited Scientists; published on 4 October 2023 at Elsevier Data Repository.

• Dedication. Preface. 1. Introduction. 2. Fundamental Mechanism for Semiconductor Photocatalysts. 3. Synthesis Strategy to Obtain Oxide Photocatalysts. 4. Method of Characterization for Photocatalysts. 5. Energy Band Engineering of Semiconductor Forward Enhanced Photocatalysis. 6. Ag-based Metal Oxides as Semiconductors: A Joint Theoretical and Experimental Investigation on the Photocatalytic Activity. 7. Semiconductor Materials for Degradation of Organic Pollutants. 8. Fundamentals of Photoelectrocatalysis for Environmental Applications. 9. Heterojunction Nanostructures for Photocatalysis. 10. Semiconductor Photocatalytic for Green Hydrogen Generation. 11. Plasmonic-based Photocatalysts for Environmental Remediation. 12. Photocatalyst for Solar Cell Conversion. 13. Fundamentals of Semiconductors for Supercapacitor. 14. Nanomaterials for Fuel Cell Applications. 15. Ferroelectric Semiconductors for Photocatalysis. Index. About the Editors.