Career
Rajeshwar started as an assistant professor for the Department of Chemistry and Biochemistry and served as an associate professor from 1987 to 1989 and then professor from 1989 to 2004. [15] In 2003 he assumed the position of associate dean for the College of Science [16] and has been serving as a Distinguished University Professor at UTA since 2004. [17]
Since 2004,Rajeshwar he has been serving as the founding director of the Center for Renewable Energy Science &Technology. [18]
Rajeshwar co-founded the Rocky Mountain Thermal Analysis Society in 1982. In 1998,he assumed the role of chair for the Awards Sub-Committee within the Dallas-Fort Worth Section of the American Chemical Society while serving as a member of the Technical Advisory Panel for the Research Corporation for Scientific Advancement [19] and Water Environment Research Foundation. From 2016 to 2017 he served as the Elected President for the Electrochemical Society. [20]
Research
Rajeshwar's research interests lie in the fields of photoelectrochemistry,solar energy conversion,renewable energy,materials chemistry,semiconductor electrochemistry,and environmental chemistry. [21] His research contributions include the electrosynthesis of novel semiconductor films and advanced protective coatings for photoelectrochemical cells,the study of ion transport in polymer electrodes,the development of in situ monitoring techniques,and the mechanisms of heterogeneous photocatalysis. [22] In 1986,he and his colleagues secured a $1,996,000 grant for his research called Electronic and Ionic Transport in Polymers as part of the DoD-DARPA University Research Initiative. [23]
Rajeshwar has made contributions to environmental electrochemistry,including co-developing electrodeposited CdTe/CdS solar photovoltaic cells [24] and demonstrating conducting transparent oxide-coated Si electrodes for photoelectrochemical applications. He has also developed a methodology for finely dispersed noble metal catalyst particles in a conducting polymer matrix and studied the electrosynthesis and growth mechanisms of conducting semiconductor and polymer films. [25] His research has contributed to developing electrosynthesized composite structures for efficient photoreduction of CO2 and spatially-directed electrodeposition of semiconductor nanoparticles or films. [2] He has also developed new,green technology for stripping paint without the need for noxious organic solvents,which led to a U.S. patent and a start-up company. [26]
Rajeshwar's environmental chemistry research has focused on water treatment and pollution remediation. In 1994,he emphasized the need for alternatives to chlorine due to EPA regulations on high total organic carbon water,and explored options like chlorine dioxide,ozone,and advanced filtration. [27] He also applied electrochemical techniques in drinking water and novel electrode materials in environmental tech. [28] Extending his work,he researched photocatalytic methods for pollutant treatment and their commercial potential. [29] In 2008,one of his highly cited review studies covered thirty years of research on photocatalytic treatment of organic dyes in air and water,emphasizing titanium dioxide (TiO2) as the main photocatalyst and addressing preparation,kinetics,sensitization mechanism,and practical applications. [30]
Electrochemistry and energy applications
Rajeshwar has conducted studies on advancements in electrochemistry and semiconductor-electrolyte interfaces. Co-authored with Jorge Ibanez,his book Environmental Electrochemistry has explored how electrochemical science and engineering can address environmental challenges,covering pollution detection and remediation with electrochemical-based sensors and technologies. It was also the first book to review electro- and photoelectrochemical methods for these purposes. [31] He has explored semiconductor-electrolyte interfaces,tracing their historical development,modern applications in energy conversion,and contributions to microelectronics and environmental tech. [32]
Rajeshwar edited the book Solar Hydrogen Generation:Toward a Renewable Energy Future which provided a scientific account of hydrogen generation through solar energy and renewable sources. Additionally,he studied CO2-to-solar-fuels electrochemistry with a focus on industrial continuous-flow reactors,evaluating performance and introducing a benchmarking framework to assess their effectiveness. [33]
Applications in materials science
Rajeshwar has published papers on the evolving landscape of materials science. He discussed a range of semiconductor-based composite materials used in various applications,including photocatalysis,photovoltaic cells,displays,light-emitting devices,and sensors to emphasize the advancements in the field of material science. [34] His research on the Prussian blue analogs on six metal hexacyanoferrate (MHCF) discussed their synthesis,characterization,and applications revealing the structural changes due to ion interactions. [35] He provided insights into energy-efficient inorganic oxide semiconductors,like tungsten trioxide (WO3),produced through combustion synthesis,highlighting self-sustained high process temperatures and tunable optical properties. [36]
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