Search Results - "Dharmaiah, Peyala"

Enhanced thermoelectric performance through carrier scattering at spherical nanoparticles in Bi0.5Sb1.5Te3/Ta2O5 composites by Kim, Eun Bin, Dharmaiah, Peyala, Shin, Dongwon, Lee, Kap-Ho, Hong, Soon-Jik

“…The greatest challenge is to elevate the thermoelectric figure of merit of existing materials via enhancing their power factor and reducing the thermal…”
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Effect of Powder Heat Treatment on Chemical Composition and Thermoelectric Properties of Bismuth Antimony Telluride Alloys Fabricated by Combining Water Atomization and Spark Plasma Sintering by Shin, Dong-won, Dharmaiah, Peyala, Song, Jun-Woo, Hong, Soon-Jik

“…In this work, Bi0.5Sb1.5Te3 materials were produced by an economically viable and time efficient water atomization process. The powder samples were heat…”
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Influence of powder size on thermoelectric properties of p-type 25%Bi2Te375%Sb2Te3 alloys fabricated using gas-atomization and spark-plasma sintering by Dharmaiah, Peyala, Kim, Hyo-Seob, Lee, Chul-Hee, Hong, Soon-Jik

“…Herein, we report our work on large-scale production (2 kg/min) of BiSbTe alloy powders by gas atomization and spark-plasma sintering. We tried to optimize the…”
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Influence of Spark Plasma Sintering Temperature on Microstructure and Thermoelectric Properties of Cu-Doped Bi0.5Sb1.495Te3 Compound by Lee, Chul-Hee, Dharmaiah, Peyala, Song, Jun-Woo, Jeong, Kwang-Yong, Hong, Soon-Jik

“…Due to air pollution, global warming and energy shortage demands new clean energy conversion technologies. The conversion of industrial waste heat into useful…”
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Effect of Surfactant Addition on Bi2Te3 Nanostructures Synthesized by Hydrothermal Method by Dharmaiah, Peyala, Lee, C.H., Madavali, B., Hong, Soon-Jik

“…In the present work, we have prepared Bi Te nanostructures with different morphologies such as nano-spherical, nanoplates and nanoflakes obtained using various…”
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Characterization of Cu and Ni Nano-Fluids Synthesized by Pulsed Wire Evaporation Method by Kim, Hyo-Seob, Yilmaz, Fikret, Dharmaiah, Peyala, Lee, Dong-Jin, Lee, Tae-Haeng, Hong, Soon-Jik

“…In the present work, Cu and Ni nanofluids were synthesized using the pulsed wire evaporation (PWE) method in the different aqueous medias, namely (ethanol and…”
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Effect of Acid Dissolution Conditions on Recovery of Valuable Metals from Used Plasma Display Panel Scrap by Kim, Chan-Mi, Dharmaiah, Peyala, Kim, Hyo-Seob, Koo, Jar-Myung, Yoon, Jae-Sik, Hong, Hyun-Seon, Hong, Soon-Jik

“…The objective of this particular study was to recover valuable metals from waste plasma display panels using high energy ball milling with subsequent acid…”
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Synergetic effects of co-dispersed Cu and insulating HfO2 nanoparticles enabled high thermoelectric figure of merit in Bi0.5Sb1.5Te3 composites by Dharmaiah, Peyala, Nagarjuna, Cheenepalli, Sharief, Pathan, Hong, Soon-Jik

“…[Display omitted] •Synergistically optimized the TE properties by dual incorporation of Cu and insulating HfO2 nanoparticles.•S was enhanced due to the energy…”
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Grain refinement to improve thermoelectric and mechanical performance in n-type Bi2Te2.7Se0.3 alloys by Nagarjuna, Cheenepalli, Dharmaiah, Peyala, Kim, Ki Buem, Hong, Soon-Jik

“…High-performance thermoelectric (TE) materials are in demand to improve energy conversion efficiency and mitigate the energy crisis for the next generation. In…”
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Thermoelectric Properties of Bi^sub 2^Te^sub 3^ Nanocrystals with Diverse Morphologies Obtained via Modified Hydrothermal Method by Dharmaiah, Peyala, Hong, Soon-jik

“…Single-phase Bi2Te3 nanostructures (spherical and flower-like) have been synthesized using a modified hydrothermal method at different reaction temperatures…”
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Synergistic Optimization of the Thermoelectric and Mechanical Properties of Large-Size Homogeneous Bi0.5Sb1.5Te3 Bulk Samples via Carrier Engineering for Efficient Energy Harvesting by Lee, Chul-hee, Dharmaiah, Peyala, Kim, Dong Hwan, Yoon, Duck Ki, Kim, Tae Hoon, Song, Sung Ho, Hong, Soon-Jik

“…Manufacturing an economically viable, efficient commercial thermoelectric (TE) module is essential for power generation and refrigeration. However, mediocre TE…”
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Thermoelectric Properties of Bi2Te3 Nanocrystals with Diverse Morphologies Obtained via Modified Hydrothermal Method by Dharmaiah, Peyala, Hong, Soon-Jik

“…Single-phase Bi 2 Te 3 nanostructures (spherical and flower-like) have been synthesized using a modified hydrothermal method at different reaction temperatures…”
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Hydrothermal method for the synthesis of Sb 2 Te 3 , and Bi 0.5 Sb 1.5 Te 3 nanoplates and their thermoelectric properties by Dharmaiah, Peyala, Hong, Soon‐Jik

“…In this study, a modified hydrothermal method is reported for the preparation of Sb 2 Te 3 and Bi 0.5 Sb 1.5 Te 3 nanoplates and their bulk samples was…”
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Enhanced thermoelectric performance of Bi0.5Sb1.5Te3 composites through potential barrier scattering at heterogeneous interfaces by Dharmaiah, Peyala, Lee, Kap-Ho, Song, Sung Ho, Kim, Hyoung Seop, Hong, Soon-Jik

“…[Display omitted] •Bi0.5Sb1.5Te3 composites with an in situ nanostructures were fabricated.•Multiple-microstructure features had better energy filtering and…”
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Luminescence and energy transfer in Dy3+/Tb3+ co-doped transparent oxyfluorosilicate glass-ceramics for green emitting applications by Dharmaiah, Peyala, Viswanath, C.S. Dwaraka, Basavapoornima, Ch, Krishnaiah, Kummara Venkata, Jayasankar, Chalicheemalapalli Kulala, Hong, Soon-Jik

“…[Display omitted] ⿢We produced SrF2 nanocrystals using melt-quenching and heat treatment processes.⿢Energy transfer between the Dy3+ and Tb3+ ions have been…”
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Synergistic Optimization of the Thermoelectric and Mechanical Properties of Large-Size Homogeneous Bi 0.5 Sb 1.5 Te 3 Bulk Samples via Carrier Engineering for Efficient Energy Harvesting by Lee, Chul-Hee, Dharmaiah, Peyala, Kim, Dong Hwan, Yoon, Duck Ki, Kim, Tae Hoon, Song, Sung Ho, Hong, Soon-Jik

“…Manufacturing an economically viable, efficient commercial thermoelectric (TE) module is essential for power generation and refrigeration. However, mediocre TE…”
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Mechanical and thermoelectric properties of environment friendly higher manganese silicide fabricated using water atomization and spark plasma sintering by Dharmaiah, Peyala, Lee, Chul-hee, Song, Gian, Hong, Soon-Jik

“…Here, we report on an economical, viable, one-step method for fabrication of Higher Manganese Silicide MnSi1.75 (HMS). Fabrication of the HMS was followed by…”
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Investigation of microstructure and thermoelectric properties at different positions of large diameter pellets of Bi0.5Sb1.5Te3 compound by Park, Ki-Chan, Dharmaiah, Peyala, Kim, Hyo-Seob, Hong, Soon-Jik

“…The conversion efficiency of typical thermoelectric materials is still below 10% which leads the cost of the device was high. Recently, considerable attention…”
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Formation mechanism of twin structures in p-type (Bi0.25Sb0.75)2Te3 thermoelectric compound by Lee, Kap Ho, Dharmaiah, Peyala, Hong, Soon-Jik

“…The formation mechanism of twin structures in p-type (Bi0.25Sb0.75)2Te3 compound was examined using high-resolution transmission electron microscopy (HR-TEM)…”
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Enhancement of thermoelectric properties in p-type ZnSb alloys through Cu-doping by Dharmaiah, Peyala, Heo, Minsu, Nagarjuna, Cheenepalli, Jung, Sung-Jin, Won, Sung Ok, Lee, Kyu Hyoung, Kim, Seong Keun, Kim, Jin-Sang, Ahn, Byungmin, Kim, Hyun-Sik, Baek, Seung-Hyub

“…To meet the growing demand for thermoelectric devices operating in intermediate temperature ranges, it is essential to develop high-performance materials with…”
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