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Nanomaterials via Single Source Precursors


Nanomaterials via Single Source Precursors
  • Author : Andrew Barron
  • Publisher : Elsevier
  • Release : 2021-08-15
  • ISBN : 0128203404
  • Language : En, Es, Fr & De
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Nanomaterials via Single-Source Precursors: Synthesis, Processing and Applications presents recent results and overviews of synthesis, processing, characterization and applications of advanced materials for energy, electronics, biomedicine, sensors and aerospace. A variety of processing methods (vapor, liquid and solid-state) are covered, along with materials, including metals, oxides, semiconductor, sulfides, selenides, nitrides, and carbon-based materials. Production of quantum dots, nanoparticles, thin films and composites are described by a collection of international experts. Given the ability to customize the phase, morphology, and properties of target materials, this "rational approach” to synthesis and processing is a disruptive technology for electronic, energy, structural and biomedical (nano)materials and devices. The use of single-source chemical precursors for materials processing technology allows for intimate elemental mixing and hence production of complex materials at temperatures well below traditional physical methods and those involving direct combination of elements. The use of lower temperatures enables thin-film deposition on lightweight polymer substrates and reduces damage to complex devices structures such as used in power, electronics and sensors. Discusses new approaches to synthesis or single-source precursors (SSPs) and the concept of rational design of materials Includes materials processing of SSPs in the design of new materials and novel devices Provides comprehensive coverage of the subject (materials science and chemistry) as related to SSPs and the range of potential applications

Nanomaterials via Single Source Precursors


Nanomaterials via Single Source Precursors
  • Author : Andrew Barron
  • Publisher : Elsevier
  • Release : 2021-11-01
  • ISBN : 9780128203446
  • Language : En, Es, Fr & De
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Nanomaterials via Single-Source Precursors: Synthesis, Processing and Applications presents recent results and overviews of synthesis, processing, characterization and applications of advanced materials for energy, electronics, biomedicine, sensors and aerospace. A variety of processing methods (vapor, liquid and solid-state) are covered, along with materials, including metals, oxides, semiconductor, sulfides, selenides, nitrides, and carbon-based materials. Production of quantum dots, nanoparticles, thin films and composites are described by a collection of international experts. Given the ability to customize the phase, morphology, and properties of target materials, this “rational approach to synthesis and processing is a disruptive technology for electronic, energy, structural and biomedical (nano)materials and devices. The use of single-source chemical precursors for materials processing technology allows for intimate elemental mixing and hence production of complex materials at temperatures well below traditional physical methods and those involving direct combination of elements. The use of lower temperatures enables thin-film deposition on lightweight polymer substrates and reduces damage to complex devices structures such as used in power, electronics and sensors. Discusses new approaches to synthesis or single-source precursors (SSPs) and the concept of rational design of materials Includes materials processing of SSPs in the design of new materials and novel devices Provides comprehensive coverage of the subject (materials science and chemistry) as related to SSPs and the range of potential applications

Synthesis of CuInS2 Chalcopyrite Nanoparticles Via Thermal and Photo decomposition of Single Source Precursors


Synthesis of CuInS2 Chalcopyrite Nanoparticles Via Thermal  and Photo decomposition of Single Source Precursors
  • Author : Justin J. Nairn
  • Publisher :
  • Release : 2008
  • ISBN : OCLC:427654412
  • Language : En, Es, Fr & De
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Ultrafine CuInS2 chalcopyrite nanoparticles were synthesized via thermal- and photo-decomposition of single source precursors with the general formula [(R3P)2CuIn(SR)4]. By developing a range of single source precursors that decompose at lower temperatures (>160°C) we were able to access smaller (>2.5 nm diameter) nanoparticle sizes using solvo-thermal synthesis. Furthermore, we report the first account of the use of light irradiation to generate ternary semi-conducting nanoparticles. Using light as the decomposition agent gives different nanoparticle growth dynamics which leads to the slow evolution of ultrafine chalcopyrite nanoparticles. Thus this photolysis technique gives unprecedented control over nanoparticle sizes from the molecular level to greater than 3.5 nm in diameter. UV-vis absorption, 1H and 31P{1H} NMR, and mass spectrometry were used to characterize the decomposition of the precursors and nanoparticle formation. The nanoparticles were characterized by high-resolution transmission electron microscopy (HRTEM), scanning electron microscopy energy dispersive X-ray spectroscopy, powder and single crystal X-ray diffraction (XRD), electron diffraction, inductively coupled plasma analysis, UV-vis absorption spectroscopy, and photoluminescence spectroscopy. The nanoparticles have a wurzite-type crystal structure and display a hypsochromic shift in their emission band due to quantum confinement effects. This was consistent with the size of the nanocrystals as indicated in the HRTEM and XRD analyses. Theorists have predicted solar cells based on quantum dot semi-conducting photo-absorbing nanomaterials could have extraordinarily high efficiencies of up to ~63.2%. A rudimentary homo-junction solar cell constructed employing our ultrafine photolytically generated nanoparticles demonstrated reasonable photo-conversion efficiencies of 0.006%.

Nanoscience Volume 6


Nanoscience  Volume 6
  • Author : Neerish Revaprasadu
  • Publisher : Royal Society of Chemistry
  • Release : 2020-05-21
  • ISBN : 9781788016933
  • Language : En, Es, Fr & De
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The field of nanoscience continues to grow and, with such a vast landscape of material, careful distillation of the most important discoveries will help researchers find the key information they require. Nanoscience provides a critical and comprehensive assessment of the most recent research and opinion from across the globe. Topics covered in this volume include metal halide perovskite nanomaterials, properties and applications, nanoparticles and nanocomposites for new permanent magnets and graphene-based materials for energy conversion applications. Anyone practising in any nano-allied field, or wishing to enter the nano-world will benefit from this resource, presenting the current thought and applications of nanoscience.

Formation of Nanoscale Single and Multicomponent Practicles Via Two Gas phase Routes


Formation of Nanoscale Single and Multicomponent Practicles Via Two Gas phase Routes
  • Author : David Dericotte
  • Publisher :
  • Release : 1997
  • ISBN : OCLC:37729059
  • Language : En, Es, Fr & De
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