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Dissertations / Theses on the topic 'Single precursor synthesis'

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Published: 8 June 2024

Last updated: 31 July 2025

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1

Choujaa, Hamid. "Synthesis of novel single-source precursors for CVD of mixed-metal tungsten oxide." Thesis, University of Bath, 2008. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.478944.

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There is a considerable interest in the use of tungsten oxide in the research and development of new materials and devices, such as gas sensors and as photocatalysts. In order to improve the photocatalytic properties of WO3, its combination with metals which allows the preparation of WMxOy materials are believed to be promising photocatalysts under visible light. The present work deals with the synthesis of homo- and hetero-metallic tungsten alkoxide and amide compounds using the single source precursor approach for potential chemical vapour deposition precursors of mixed-metal oxide films.

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2

Bera, A. "Scalable Synthesis of dispersible semiconducting metal chalcogenides nanocrystals and their application." Thesis(Ph.D.), CSIR-NCL, 2021. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/6030.

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Abhijit Bera_Ph.D thesis<br>The work incorporated in this thesis is mainly focused on various single source metal precursors like metal thiolates and metal dithiocarbamate complexes. Herein, several simple and general methods have been developed for the synthesis of various such single source metal precursors, which comprising the main two constituents of metal chalcogenide nanocrystals (NCs), namely, the tiny inorganic metal chalcogenide complex as core and an organic molecule as shell. Specially, both binary metal thiolates and bimetallic (ternary) thiolates have been prepared and both of th

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3

Abdelhady, Ahmed Mohammed Said lutfi. "Developing novel processes in chemistry for several types of nanoparticles." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/developing-novel-processes-in-chemistry-for-several-types-of-nanoparticles(0712d3c6-e2d5-415a-b787-c9ce457e1355).html.

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The work presented in this thesis reports the use of a series of novel thiobiuret metal complexes [M(SON(CNiPr2)2)n] (M = Cu, Ni, Fe, Zn, Cd or In; n = 2 or 3) for the first time as single source precursors for the colloidal synthesis of metal sulfide nanoparticles. Other single source precursor(s) were also used for the synthesis of CdSe, CdS, CdSe/CdS core/shell, CdSeS alloys and Cu2-xS nanoparticles in microfluidic reactors. Thermolysis experiments of [Cu(SON(CNiPr2)2)2] using only oleylamine produced Cu7S4 nanoparticles as a mixture of monoclinic and orthorhombic phases. Pure orthorhombic

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4

Zhou, Cong [Verfasser], Ralf [Akademischer Betreuer] Riedel, and Zhaoju [Akademischer Betreuer] Yu. "Ternary Si-Metal-N Ceramics: Single-Source-Precursor Synthesis, Nanostructure and Properties Characterization / Cong Zhou ; Ralf Riedel, Zhaoju Yu." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1130323242/34.

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5

Kaur, Sarabjeet [Verfasser], Ralf [Akademischer Betreuer] Riedel, and Sanjay [Akademischer Betreuer] Mathur. "Single-Source-Precursor Synthesis of SiC-Based Ceramic Nanocomposites for Energy-Related Applications / Sarabjeet Kaur. Betreuer: Ralf Riedel ; Sanjay Mathur." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2016. http://d-nb.info/1112269851/34.

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6

Wen, Qingbo [Verfasser], Ralf [Akademischer Betreuer] Riedel, and Zhaoju [Akademischer Betreuer] Yu. "Single-Source-Precursor Synthesis and Properties of SiMC(N) Ceramic Nanocomposites (M = Hf, Ta, HfTa) / Qingbo Wen ; Ralf Riedel, Zhaoju Yu." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1130323250/34.

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7

Yuan, Jia [Verfasser], Ralf [Akademischer Betreuer] Riedel, and Zhaoju [Akademischer Betreuer] Yu. "SiHf(B)CN-based ultra-high temperature ceramic nanocomposites: Single-source precursor synthesis and behavior in hostile environments / Jia Yuan. Betreuer: Ralf Riedel ; Zhaoju Yu." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://d-nb.info/111191138X/34.

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8

Liu, Xingmin [Verfasser], Ralf [Akademischer Betreuer] Riedel, and Nahum [Akademischer Betreuer] Travitzky. "Single-Source-Precursor Synthesis and Electromagnetic Properties of SiCN-Based Ceramic Nanocomposites Modified with Carbon Nanofillers from 1D CNTs to 3D RGO/CNTs / Xingmin Liu ; Ralf Riedel, Nahum Travitzky." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2018. http://d-nb.info/116930530X/34.

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9

Trindade, Tito Da Silva. "The synthesis of metal chalcogenide nanocrystallites using single molecule precursors." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363125.

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10

Pearce, Amber Marie. "Synthesis and characterisation of metal chalcogenide thin films." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/synthesis-and-characterisation-of-metal-chalcogenide-thin-films(7a22c662-639c-4aaf-a4cc-f2ae655115c0).html.

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There is much interest in the electronic potential of ‘nano’-semiconductors. The avenue of research pursued in this project was in inorganic analogues of graphene, namely metal chalcogenides MxEy (M = metal, E = S, Se, Te, x ≠ y = integer value). Thin films of these materials have been used in solar cells, ambient thermoelectric generators and IR detectors, due to their interesting properties, such as: optoelectronics, magnetooptic, piezoelectric, thermoelectric and photovoltaic, as well as electrical conductivity. The key issues with the use of these materials are the formation of controlled

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11

Mileham, John David. "Synthesis and charaterisation of single-source precursors to metal chalcogenides and pnictides." Thesis, University College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398838.

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12

Cosham, Samuel. "Synthesis and characterisation of single-source CVD precursors for M-N-Si composites." Thesis, University of Bath, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518287.

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13

Akhtar, Masood. "Synthesis of iron chalcogenide nanocrystals and deposition of thin films from single source precursors." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/synthesis-of-iron-chalcogenide-nanocrystals-and-deposition-of-thin-films-from-single-source-precursors(1f2ca1fd-da28-4da8-95a4-7bba81c8b1c6).html.

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Recently there is growing interest for the production of cheap and nontoxic colloidal nanomaterials or thin films for photovoltaic applications. Iron chalcogenides are cheapest materials available for solar cell applications. The work presented here involve the synthesis of iron chalcogenide nanocrystals by colloidal methods and the deposition of thin films by aerosol assisted chemical vapour deposition (AACVD) method from single source precursors. In addition, a comprehensive literature review of iron chlacogenide nanocrystals and thin films is presented. Several new iron complexes belonging

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14

Nqombolo, Azile. "Synthesis and structural studies of NiS and PdS nanoparticles/nanocomposites from dithiocarbamates single source precursors." Thesis, University of Fort Hare, 2016. http://hdl.handle.net/10353/d1021326.

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The main aim of this research is to synthesize Ni(II) and Pd(II) dithiocarbamate complexes and use them as single source precursors for the synthesis of NiS and PdS nanoparticles and metal sulphides potato starch nanocomposites. Four dithiocarbamate ligands were synthesized and characterized using elemental analysis and spectroscopic techniques. The ligands were used to prepared homoleptic Ni(II) and Pd(II) complexes of the dithiocarbamate ligands. The metal complexes were characterized with elemental analysis, UV-Vis, FTIR and 1H-NMR spectroscopic techniques. Conductivity measurements indicat

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15

Stanley, Joanne Elizabeth. "The synthesis of novel single source precursors for the CVD of fluorine-doped tin oxide." Thesis, University of Bath, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362263.

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16

Singh, Sanjay. "Monomeric organo-aluminum and gallium monohydroxides as precursor for homo- and heterobimetallic oxides synthetic, reactivity and structural investigations including gold(I) N-heterocyclic carbene complexes /." [S.l.] : [s.n.], 2006. http://webdoc.sub.gwdg.de/diss/2006/singh.

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17

Galiyeva, Perizat. "Doped Ag-In-Zn-S and Ag-In-Ga-Zn-S QDs : synthesis and potential as dual-modality probes for magnetic resonance and fluorescence imaging of cells." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0118.

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L’imagerie par fluorescence (IF) et l’imagerie de résonance magnétique (IRM) comptent parmi les outils de diagnostic les plus efficaces. Dans ce contexte, des QDs possédant à la fois des propriétés fluorescentes et magnétiques sont d’un grand intérêt en tant que sondes bimodales. Dans ce travail, des QDs Ag-In-Zn-S (AIZS) et Ag-In-Ga-Zn-S (AIGZS) ont été préparés et dopés afin de développer de nouvelles sondes de sondes bimodales pour l’IF et l’IRM. Des QDs AIZS très fluorescents ont été préparés en milieu organique à l’aide de DDT et d’OAm comme ligands. Les QDs Mn:AIZS possèdent des propriét

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18

Mensinger, Zachary Lee 1982. "Synthesis and characterization of tridecameric Group 13 hydroxide clusters." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/11300.

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xx, 153 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>In the research area of Group 13 hydroxide clusters, progress is often hampered by difficult and inefficient synthetic procedures. This has greatly limited the numerous potential applications of Group 13 hydroxide compounds, many of which require large amounts of material. Most relevant to this dissertation is their application as precursors for high quality amorphous metal oxide thin films. Addressing this issue, this dissertation pr

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19

Bruce, Jocelyn Catherine. "Use of the N,N-dialkyl-N’-benzoyl(thio)selenoureas as single source precursors for the synthesis of semiconducting quantum dots." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/1205.

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Thesis (PhD (Chemistry and Polymer Science))--Stellenbosch University, 2008.<br>The successful preparation and structural characterization of a number of N,N-dialkyl-N’-benzoyl(thio)selenourea ligands is described; where the intermolecular interactions are characterized by the presence of Resonance Assisted Hydrogen Bonding (RAHB), π- π interactions between neighbouring benzene residues only being evident amongst the longer alkyl chain derivatives. The first structural characterization of an asymmetrically substituted N,N-dialkyl- N’-benzoylselenourea ligand reveals an increased stability

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20

Tsaroucha, Marianna [Verfasser], and Matthias [Akademischer Betreuer] Driess. "Beiträge zur Synthese von Sn/Zn-Alkoxiden als Single Source Precursoren zur Herstellung von dünnen transparenten und halbleitenden Oxidschichten / Marianna Tsaroucha. Betreuer: Matthias Driess." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2013. http://d-nb.info/1034420976/34.

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21

Meyer, Daniela [Verfasser], and Manfred [Akademischer Betreuer] Scheer. "Investigations on the synthesis of silicon-arsenic double bonds and the preparation of MxEy nanoparticles from single-source-precursors (M = Ga, Ge, Sn; E = P, As) / Daniela Meyer ; Betreuer: Manfred Scheer." Regensburg : Universitätsbibliothek Regensburg, 2020. http://d-nb.info/1210728907/34.

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22

Kaur, Sarabjeet. "Single-Source-Precursor Synthesis of SiC-Based Ceramic Nanocomposites for Energy-Related Applications." Phd thesis, 2016. https://tuprints.ulb.tu-darmstadt.de/5601/1/Sarabjeet%20Kaur-Dissertation.pdf.

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The present work deals with the synthesis, characterization, and fabrication of Si-M-C-based ceramic nanocomposites (M = B and V). These were produced by the thermal transformation of tailor-made single-source-precursors, which were synthesized by the chemical modification of an allyl-hydrido polycarbosilane with suitable precursors (i.e., borane dimethylsulfide, allyl-functionalized carboranes, vanadium acetylacetonate and vanadium oxytriisopropoxide). The typical approach to this synthesis consists of a pyrolytic ceramization of the precursors, which converted into amorphous single-phase SiM

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23

Zhou, Cong. "Ternary Si-Metal-N Ceramics: Single-Source-Precursor Synthesis, Nanostructure and Properties Characterization." Phd thesis, 2017. https://tuprints.ulb.tu-darmstadt.de/6145/1/ZHOU%20Cong%E2%80%98s%20Ph.D.%20thesis%20final.pdf.

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Si-M-N (M=metal) ceramic nanocomposites are novel materials that combine the advantages of both ceramics and metals. Additionally, a variety of intriguing functional properties are observed in the metal-modified ceramics due to the formation of a second phase, which reveals promising applications in the fields of optics (e.g., light-emitting diodes), semiconductors, catalysis and energy technology. Until now, most of the metal-modified nanocomposites are fabricated by using traditional powder techniques, but the grain sizes of the composites are limited to the micrometer range, and the dispers

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24

Wen, Qingbo. "Single-Source-Precursor Synthesis and Properties of SiMC(N) Ceramic Nanocomposites (M = Hf, Ta, HfTa)." Phd thesis, 2017. https://tuprints.ulb.tu-darmstadt.de/6146/1/PhD-2017-04-11-Qingbo%20Wen.pdf.

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Industrial and aerospace demands on future technologies have created an urgent need for new material properties that are beyond those of materials known today and that can only be fabricated by designing the respective microstructure at the nanoscale. Taking advantage of the correlation between the molecular structure of preceramic precursors and the microstructure of the derived ceramic materials, the single-source-precursor route offers possibilities to fabricate novel ceramic materials that are inaccessible by conventional synthesis.[1] The motivation of this Ph.D. work is to further develo

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25

Schmitt, Andrew Lee. "Synthesis and characterization of silicide nanowire materials using chemical vapor deposition of single source precursor molecules /." 2009. http://www.library.wisc.edu/databases/connect/dissertations.html.

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26

Yuan, Jia. "SiHf(B)CN-based ultra-high temperature ceramic nanocomposites: Single-source precursor synthesis and behavior in hostile environments." Phd thesis, 2015. https://tuprints.ulb.tu-darmstadt.de/5007/1/Thesis-J%20Yuan-DF%20TU%20Darmstadt-2015.pdf.

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Hf-containing ultra-high-temperature ceramics (UHTCs) are being pursued for Thermal Protection Systems (TPSs) for high-temperature applications (i.e., future hypersonic vehicles) in harsh environments. Most of these ceramic composites have been prepared using traditional powder techniques; however, the grain sizes of the resulting composites are limited to the micrometer range. Furthermore, nano-sized Hf-containing materials have proven to exhibit tremendously improved structural/functional properties, even at elevated temperatures, compared with microcomposite ceramics. Single-source precurso

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27

Liu, Xingmin. "Single-Source-Precursor Synthesis and Electromagnetic Properties of SiCN-Based Ceramic Nanocomposites Modified with Carbon Nanofillers from 1D CNTs to 3D RGO/CNTs." Phd thesis, 2018. https://tuprints.ulb.tu-darmstadt.de/8098/1/PhD%20dissertation%20of%20Xingmin%20Liu-After%20defense-Final.pdf.

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Carbon nanotubes (CNTs), reduced graphene oxide (RGO) and CNTs/RGO hybrids are highly promising electromagnetic (EM) absorbents due to their intrinsic advantages including excellent electric conductivity, high specific surface area and good mechanical strength. However, the homogeneous dispersion of them has been a challenge. In this thesis, single-source-precursor route as a promising approach to achieve homogeneous dispersion, is employed to prepare nano-carbon fillers (CNTs, RGO, RGO/CNTs) modified ceramic nanocomposites as novel and prospective EM materials for EM absorption and shielding

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28

"Synthesis, characterization, and functionalization of transition metal phosphide nanomaterials from single source molecular precursors." Thesis, 2010. http://hdl.handle.net/1911/62022.

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This thesis details the synthesis, characterization, and functionalization of transition metal phosphide nanomaterials from single source molecular precursors. The decomposition of the organometallic cluster, H2Fe3(CO) 9PtBu, yielded iron phosphide (Fe2P) nanomaterials of various morphologies depending on the surfactants used for the decomposition. Branched nanostructures were observed as a result of crystal splitting in a few of the surfactant systems. Cross-shaped structures were also observed and attributed to the twinning of two individual bundles during growth as the result of an interrup

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29

Chen, Yu-Hsin, and 陳昱先. "Synthesis of ZnS and CdS Nanowires with Single-Source-Precursors via Solution-Solid-Solid Mechanism." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/81352252247296397824.

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30

Sibokoza, Simon Bonginkosi. "Synthesis and characterization of cobalt and copper sulfide nanoparticles with reproducible stoichiometry using sulfur containing single-source precursors." Thesis, 2012. http://hdl.handle.net/10352/267.

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M.Tech. (Chemistry, Faculty of Applied and Computer Science), Vaal University of Technology.<br>Complexes of alkyldithiocarbamate and thiuram have been extensively explored for various applications in the medical field. Thiuram and dithiocarbamate ligands were used to prepared complexes of cobalt and copper. The high abundance of sulfur in these ligands has resulted to be the preferred complexes for the synthesis of metal sulfide nanoparticles. All the prepared complexes were characterized using techniques such as IR and 1HNMR spectroscopy, elemental analysis, and thermogravimetric analysis. A

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31

"Synthesis and characterization of anisotropic cadmium and lead sulfide nanostructures from single source molecular precursors and an insight to their growth mechanisms." Thesis, 2010. http://hdl.handle.net/1911/62042.

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This thesis details the synthesis and characterization of anisotropic cadmium and lead sulfide nanostructures from single-source molecular precursors. Six new precursors were synthesized for cadmium and lead sulfide each, by the reaction of the appropriate metal acetate with picolinic (HPic), 2,6-dipicolinic (H2dipic) or salicylic acid (H2sal) followed by the addition of thiourea (th) or thiosemicarbazide (ths). The precursors for CdS are [Cd(Hsal)2(tu)2] (Cd1a), [Cd(Hsal) 2(ths)2]·nH2O (Cd1b), [Cd(pic) 2(tu)2]·0.5H2O (Cd2a), [Cd(pic) 2(ths)2]·2H2O (Cd2b), [Cd(dipic)(tu) 2

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32

Liu, Shu-Hao, and 劉書豪. "1. Syntheses and Characterizations of Copper(I) Complexes R3SnCu(PR’3)n. ; 2. CVD of Fe/Sn Alloy Films from Single-Source Precursor." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/99233851842645110917.

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碩士<br>國立中正大學<br>化學研究所<br>88<br>There are two parts in this thesis. 1. The syntheses of various copper(I) complexes are best illustrated by following examples. The compounds R3SnCu(PR’3)n, where R = Ph, Me; R’ = Me, Et, Ph and n = 3, have been synthesized by the reaction of R3SnNa with CuCl and three equivalent of the PR’3, or by the reaction of R3SnNa with CuCl(PPh3)3. All of these products were characterized by 1H NMR, 13C NMR and 31P NMR spectroscopies. There are three phosphine molecules bonding with the Cu atom. The series of Ph3Sn- complexes are thermal stable at ambient t

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33

Erk, Christoph [Verfasser]. "Anwendungen von Single-Source-Precursoren und porösem anodischem Aluminiumoxid in der Synthese anorganischer Nanostrukturen / vorgelegt von Christoph Erk." 2010. http://d-nb.info/1007856386/34.

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34

Bender, Michael [Verfasser]. "Synthese neuartiger Single-Source-Precursoren für die Abscheidung piezoelektrischer Bleizirkonattitanat(PZT)-Schichten mittels chemischer Gasphasenabscheidung (CVD) / von Michael Bender." 2010. http://d-nb.info/1004161565/34.

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