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      Green synthesis of nanoparticles for varied applications: Green renewable resources and energy-efficient synthetic routes

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          Abstract

          This study presents an outline of the 12 principles of green relevance in nanomaterial synthesis. The goal of using green renewable resources is to protect the environment from negative effects, which can be achieved via several main directions, including the choice of innocuous solvents, such as supercritical (SC) fluids or water, and/or additives ( i.e. stabilizers, capping, and reducing agents) such as polysaccharides, using alternative reaction circumstances, and the development of energy-efficient synthetic methods. This review shows how different green renewable resources routes are reducing the impact of chemical processes on the environment and how their benefit can be achieved in nanotechnology applications such as green energy.

          Most cited references157

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          Efficient hybrid solar cells based on meso-superstructured organometal halide perovskites.

          The energy costs associated with separating tightly bound excitons (photoinduced electron-hole pairs) and extracting free charges from highly disordered low-mobility networks represent fundamental losses for many low-cost photovoltaic technologies. We report a low-cost, solution-processable solar cell, based on a highly crystalline perovskite absorber with intense visible to near-infrared absorptivity, that has a power conversion efficiency of 10.9% in a single-junction device under simulated full sunlight. This "meso-superstructured solar cell" exhibits exceptionally few fundamental energy losses; it can generate open-circuit photovoltages of more than 1.1 volts, despite the relatively narrow absorber band gap of 1.55 electron volts. The functionality arises from the use of mesoporous alumina as an inert scaffold that structures the absorber and forces electrons to reside in and be transported through the perovskite.
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            A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films

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              Green chemistry: principles and practice.

              Green Chemistry is a relatively new emerging field that strives to work at the molecular level to achieve sustainability. The field has received widespread interest in the past decade due to its ability to harness chemical innovation to meet environmental and economic goals simultaneously. Green Chemistry has a framework of a cohesive set of Twelve Principles, which have been systematically surveyed in this critical review. This article covers the concepts of design and the scientific philosophy of Green Chemistry with a set of illustrative examples. Future trends in Green Chemistry are discussed with the challenge of using the Principles as a cohesive design system (93 references).
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                Author and article information

                Journal
                Nanotechnology Reviews
                Walter de Gruyter GmbH
                2191-9097
                December 07 2021
                December 07 2021
                January 01 2022
                February 04 2022
                February 04 2022
                January 01 2022
                : 11
                : 1
                : 731-759
                Affiliations
                [1 ]Collage of Science and Humanities-Jubail, Imam Abdulrahman Bin Faisal Univeristy , Jubail , Saudi Arabia
                [2 ]Chemistry Department, Faculty of Science, New Valley University , El-Kharga , 72511 , Egypt
                [3 ]Polymeric Materials Research Department, City of Scientific Research and Technological Applications (SRTA-city) , New Borg El-Arab city , Alexandria 21934 , Egypt
                [4 ]Faculty of Science, University of Jeddah , Jeddah , Saudi Arabia
                [5 ]Radiation Research of Polymer Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority , P.O. Box. 29, Nasr City , Cairo , Egypt
                [6 ]Department of Chemistry, Faculty of Science (Girls), Al-Azhar University , P.O. Box: 11754, Yousef Abbas Str., Nasr City , Cairo , Egypt
                Article
                10.1515/ntrev-2022-0034
                ebbd9087-2384-4ba5-8fd7-dc3499bfaf7e
                © 2022

                http://creativecommons.org/licenses/by/4.0

                History

                Nanomaterials,Nanotechnology,Nanophysics,Industrial chemistry,Materials science
                Nanomaterials, Nanotechnology, Nanophysics, Industrial chemistry, Materials science

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