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Effects of the Flipped Classroom Model on Student Performance for Advanced Placement High School Chemistry Students
This mixed-methods study investigated the effects of the flipped classroom on academic performance of high school advanced placement chemistry students. Student perceptions about the approach wereExpand
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How Glass Changed the World: The History and Chemistry of Glass from Antiquity to the 13th Century
Origins of glass: Myth and known history.- Development and growth of glass through the Roman period.- Reinventing an old material: Venice and the new glass.- Applications to chemical apparatus.-Expand
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Synthesis and characterization of a series of novel rhodium and iridium complexes containing polypyridyl bridging ligands: Potential uses in the development of multimetal catalysts for carbon dioxide
A series of bis chelate rhodium(III) and iridium(III) complexes containing polypyridyl bridging ligands have been prepared. Complexes of the type (Rh(L){sub 2}Bt{sub 2}){sup +} and (Ir(L){subExpand
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The Early History of Polyaniline: Discovery and Origins
Prior to the discovery of its conductive properties in the 1960s, polyaniline was studied and applied as a variety of colored materials and dyes. The history of the discovery and origins ofExpand
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Dithieno[3,2-b:2′,3′-d]pyrrole-based materials: Synthesis and application to organic electronics
Abstract The application of dithieno[3,2-b:2′,3′-d]pyrroles (DTPs) in conjugated organic polymers has resulted in a variety of materials with reduced and low band gaps that exhibit high carrierExpand
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Photophysical characterization of 2,3-difunctionalized thieno[3,4-b]pyrazines
In order to better understand the optical properties of polythieno[3,4-b]pyrazine materials, the photophysical characteristics of a series of monomeric 2,3-difunctionalized thieno[3,4-b]pyrazinesExpand
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Synthesis and structural characterization of 2,5-dihalo-3,4-dinitrothiophenes
Using new nitration protocols, we have been able to efficiently dinitrate 2,5-dihalothiophenes with yields of ∼80–95%. The resulting products 2,5-dibromo-3,4-dinitrothiophene (1),Expand
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N-acyldithieno[3,2-b:2',3'-d]pyrroles: second generation dithieno[3,2-b:2',3'-d]pyrrole building blocks with stabilized energy levels.
A new class of dithieno[3,2-b:2',3'-d]pyrroles (DTPs) incorporating N-acyl groups have been prepared from 3-bromothiophene via copper-catalyzed amidation. The utilization of variousExpand
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Synthesis and characterization of thieno[3,4-b]pyrazine-based terthienyls: tunable precursors for low band gap conjugated materials.
Synthetic methods have been developed for the preparation of new 2,3-dihalo- and 2,3-ditriflato-5,7-bis(2-thienyl)thieno[3,4-b]pyrazines. From these reactive intermediates, a variety of newExpand
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