Search Results - "Nolas, George S"

Better thermoelectrics through glass-like crystals by Beekman, Matt, Morelli, Donald T., Nolas, George S.

“…Twenty years ago, the 'phonon-glass, electron-crystal' concept changed thinking in thermoelectric materials research, resulting in new high-performance…”
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Synthesis and thermoelectric properties of Cu excess Cu2ZnSnSe4 by Dong, Yongkwan, Wang, Hsin, Nolas, George S.

“…Quaternary stannites with an excess of copper were successfully synthesized by reacting the constituent elements and subsequent solid state annealing, followed…”
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Synthesis, Structure, Te Alloying, and Physical Properties of CuSbS2 by Hobbis, Dean, Wei, Kaya, Wang, Hsin, Martin, Joshua, Nolas, George S

“…Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS2 employing a mechanical alloying…”
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Thermal and Electrical Conductivity of Size‐Tuned Bismuth Telluride Nanoparticles by Dirmyer, Matthew R., Martin, Joshua, Nolas, George S., Sen, Ayusman, Badding, John V.

“…Size‐tuned thiol‐capped bismuth telluride nanoparticles (see image) are synthesized and annealed to make phase‐pure nanostructured material. These materials…”
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Synthesis and Structural Characterization of Single-Crystal K7.5Si46 and K17.8Si136 Clathrates by Stefanoski, Stevce, Nolas, George S

“…Selective single-crystal growth of clathrate-I K7.5Si46 and clathrate-II K17.8Si136 was achieved from the precursor K4Si4 by reaction of the vapor phase with…”
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A synthetic approach for enhanced thermoelectric properties of PEDOT:PSS bulk composites by Wei, Kaya, Stedman, Troy, Ge, Zhen-Hua, Woods, Lilia M., Nolas, George S.

“…The thermoelectric properties of PEDOT:PSS/Bi0.5Sb1.5Te3 polymer/inorganic bulk composites with different Bi0.5Sb1.5Te3 content were investigated. The…”
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Simple Approach for Selective Crystal Growth of Intermetallic Clathrates by Stefanoski, Stevce, Beekman, Matt, Wong-Ng, Winnie, Zavalij, Peter, Nolas, George S

“…We report on a new method for the synthesis of single-crystal inter-metallic clathrates. Alkali-metal is slowly removed from an alkali-silicide precursor by…”
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Preparation and Crystal Growth of Na24Si136 by Beekman, Matt, Baitinger, Michael, Borrmann, Horst, Schnelle, Walter, Meier, Katrin, Nolas, George S, Grin, Yuri

“…The synthesis and single crystal growth of clathrate-II Na24Si136 is performed in one step applying the spark plasma treatment to the precursor Na4Si4. The…”
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Structural and Electronic Properties of Cu3InSe4 by Ojo, Oluwagbemiga P., Wong-Ng, Winnie, Chang, Tieyan, Chen, Yu-Sheng, Nolas, George S.

“…Single crystals of a new ternary chalcogenide Cu3InSe4 were obtained by induction melting, allowing for a complete investigation of the crystal structure by…”
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Precursor Routes to Complex Ternary Intermetallics: Single-Crystal and Microcrystalline Preparation of Clathrate‑I Na8Al8Si38 from NaSi + NaAlSi by Dong, Yongkwan, Chai, Ping, Beekman, Matt, Zeng, Xiaoyu, Tritt, Terry M, Nolas, George S

“…Single crystals of the ternary clathrate-I Na8Al8Si38 were synthesized by kinetically controlled thermal decomposition (KCTD), and microcrystalline Na8Al8Si38…”
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Facile Chemical Synthesis of Nanocrystalline Thermoelectric Alloys Based on Bi−Sb−Te−Se by Datta, Anuja, Paul, Jagannath, Kar, Arik, Patra, Amitava, Sun, Zhengliang, Chen, Lidong, Martin, Joshua, Nolas, George S

“…High yield syntheses of size-confined Bi2Te3 and Sb2Te3 nanocrystals and nanoflakes, and their alloys, were carried out by a facile glycol-mediated…”
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Structural characterization and low-temperature physical properties of p-type single-crystal K8Ga8.5Sn37.5 grown by self-flux method by Stefanoski, Stevce, Dong, Yongkwan, Nolas, George S.

“…Single-crystal K8Ga8.5Sn37.5 was synthesized employing a self-flux method where Ga and Sn were used as fluxes. Single-crystal X-ray diffraction analyses…”
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Solution-Based Synthesis and Low-Temperature Transport Properties of CsBi4Te6 by Datta, Anuja, Nolas, George S

“…The thermoelectric material CsBi4Te6 was synthesized in nanometer thin flake-like form by a low temperature solvothermal approach. The crystals were then…”
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Framework Contraction in Na-Stuffed Si(cF136) by Beekman, Matt, Nenghabi, Emmanuel N, Biswas, Koushik, Myles, Charles W, Baitinger, Michael, Grin, Yuri, Nolas, George S

“…Systematic crystal structure refinements from powder X-ray diffraction data as well as density functional theory calculations demonstrate that the silicon…”
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Crystal structure and high temperature transport properties of Yb-filled p-type skutterudites YbxCo2.5Fe1.5Sb12 by Dong, Yongkwan, Puneet, Pooja, Tritt, Terry M., Nolas, George S.

“…Partially Yb-filled Fe substituted polycrystalline p-type skutterudites with nominal compositions YbxCo2.5Fe1.5Sb12, with varying filler concentrations x, were…”
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High-temperature thermoelectric properties of p-type skutterudites Ba0.15Yb x Co3FeSb12 and Yb y Co3FeSb9As3 by Dong, Yongkwan, Puneet, Pooja, Tritt, Terry M., Nolas, George S.

“…Two series of p-type polycrystalline skutterudites, Ba0.15YbxCo3FeSb12 and YbyCo3FeSb9As3 with varying Yb concentrations, were synthesized by solid-state…”
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Synthesis, crystal structure, and transport properties of Fe substituted rhombohedral skutterudite derivatives Co4−xFexGe6Se6 by Wei, Kaya, Dong, Yongkwan, Puneet, Pooja, Tritt, Terry M., Nolas, George S.

“…•Co4−xFexGe6Se6 compositions crystallize in a rhombohedral symmetry.•Fe substitution in Co4Ge6Se6 can significantly affect the transport properties.•Tuning of…”
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Synthesis and Characterization of Nanostructured Stannite Cu2ZnSnSe4 and Ag2ZnSnSe4 for Thermoelectric Applications by Wei, Kaya, Nolas, George S

“…Cu2ZnSnSe4 and Ag2ZnSnSe4 nanocrystals were synthesized by a colloidal synthesis route and subsequently densified to form dense polycrystalline bulk specimens…”
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Enhanced thermoelectric properties of polymer/inorganic bulk composites through EG treatment and spark plasma sintering processing by Wei, Kaya, Nolas, George S.

“…Doping and consolidation processing of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) were investigated in an effort to improve the…”
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High Temperature Transport Properties of Yb and In Double-Filled p-Type Skutterudites by Hobbis, Dean, Liu, Yamei, Wei, Kaya, Tritt, Terry, Nolas, George

“…Yb and In double-filled and Fe substituted polycrystalline p-type skutterudite antimonides were synthesized by direct reaction of high-purity elements,…”
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