Review
Engineering, Electrical & Electronic
Qihao Zhang, Kangfa Deng, Lennart Wilkens, Heiko Reith, Kornelius Nielsch
Summary: This review examines the development of micro-thermoelectric devices, exploring progress in device design, integration, and performance, as well as the potential applications of the technology in cooling, power generation, and sensing. These devices offer faster response time, higher resolution, and greater power density compared to their commercial counterparts, making them crucial for highly integrated electronic devices, the Internet of Things, and flexible and wearable technology.
NATURE ELECTRONICS
(2022)
Article
Nanoscience & Nanotechnology
Bingfei Nan, Xuan Song, Cheng Chang, Ke Xiao, Yu Zhang, Linlin Yang, Sharona Horta, Junshan Li, Khak Ho Lim, Maria Ibanez, Andreu Cabot
Summary: We report the development of a thiol-free tin telluride (SnTe) precursor that can be thermally decomposed to produce different-sized SnTe crystals. By decomposing the liquid SnTe precursor containing a dispersion of Cu1.5Te colloidal nanoparticles, we further engineer SnTe-Cu2SnTe3 nanocomposites with a homogeneous phase distribution. The presence of Cu effectively improves the electrical conductivity of SnTe and reduces the lattice thermal conductivity, leading to enhanced power factors and thermoelectric figures of merit.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Abid Ahmad, Bin Zhu, Zhongbin Wang, Zhigang Gui, Wu Wang, Tiancheng Wang, Yong Yu, Li Huang, Jiaqing He
Summary: Significant advancements have been made in thermoelectric technology, with the development of a new thermoelectric material containing silver doping. It exhibits high thermoelectric performance and significantly reduces thermal conductivity through entropy optimization and atomic doping, thereby improving the conversion efficiency and output power of the thermoelectric module.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Rizwan Akram, Jan Sher Khan, Zahid Qamar, Saima Rafique, Mozaffar Hussain, Farrukh Bashir Kayani
Summary: Polyvinylpyrrolidone (PVP)-assisted bismuth telluride (Bi2Te3) fibers were synthesized by electrospinning technique, and compacted at a constant temperature. The compacted fibers showed improved thermoelectric performance and optical properties.
JOURNAL OF MATERIALS SCIENCE
(2022)
Article
Chemistry, Physical
Jinfeng Dong, Yilin Jiang, Jiawei Liu, Jun Pei, Xian Yi Tan, Haihua Hu, Ady Suwardi, Ning Jia, Chuntai Liu, Qiang Zhu, Qingyu Yan, Jing-Feng Li
Summary: In this study, composition-insensitive GeTe-based compounds with high thermoelectric coefficients and excellent module performance were developed, suitable for waste heat recovery and solid-state cooling applications.
Article
Physics, Applied
Jiepu Sun, Zhong Shu, Jianmin Yang, Tiancheng Wang, Bin Zhu, Jiaqing He
Summary: The study presented the achievement of high thermoelectric performance in Bi2Te3-based materials through Sb doping, which optimizes thermal and electrical transport properties simultaneously.
JOURNAL OF APPLIED PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Daria Pankratova, Silvia Maria Giacomelli, Khabib Yusupov, Farid Akhtar, Alberto Vomiero
Summary: This study aims to produce high-entropy oxides composed of Co-Cr-Fe-Mn-Ni-O through spark plasma sintering (SPS), testing their thermoelectric (TE) properties. The researchers successfully obtained the material using a faster and scalable process compared to the previous technique.
Article
Materials Science, Ceramics
Minsu Kim, Dabin Park, Jooheon Kim
Summary: Carbon cloth was used as a flexible substrate to synthesize bismuth telluride particles with added selenium for improved thermoelectric performance. The maximum power factor reached 1300 mu W/mK(2) for the 30% Se-doped sample, demonstrating the potential of carbon cloth substrate for low temperature range applications.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Multidisciplinary
Jinmeng Li, Tian Xu, Zheng Ma, Wang Li, Yongxin Qian, Yang Tao, Yinchao Wei, Qinghui Jiang, Yubo Luo, Junyou Yang
Summary: A new hybrid hydrogel thermoelectric material PAAc/XG/Bi2Se0.3Te2.7 was prepared by in situ polymerization method, which exhibits high stretchable and self-healable performance, as well as good thermoelectric performance. The sample with Bi2Se0.3Te2.7 content of 1.5 wt% shows a room temperature Seebeck coefficient of -0.45 mV K-1, and demonstrates an open-circuit voltage of -17.91 mV and output power of 38.1 nW at a temperature difference of 40 K. The hybrid thermoelectric hydrogel can automatically recover its electrical characteristics within 2.0 s after being completely cut off, and the healed hydrogel retains over 99% of its initial power output. Such stretchable and self-healable hybrid hydrogel thermoelectric materials show promising potential for application in dynamic service conditions, such as wearable electronics.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Wenjie Huang, Xiaojian Tan, Jianfeng Cai, Shuai Zhuang, Chuandong Zhou, Jiehua Wu, Guoqiang Liu, Bo Liang, Jun Jiang
Summary: In this study, the thermoelectric performance of zone-melted n-type Bi2Te2.7Se0.3 material is significantly improved by co-doping with BiI3 and SnSb2Te4. BiI3, a non-toxic and non-hygroscopic electron dopant, effectively enhances the power factor and partially suppresses the bipolar effect of n-type Bi2Te2.7Se0.3. SnSb2Te4 doping introduces new scattering centers, resulting in a relatively low lattice thermal conductivity of 0.72 W m(-1) K-1 at 300 K. As a result, a maximum ZT value of 1.30 at 325 K and an average ZT value of 1.00 in the temperature range of 300-500 K are achieved in the Bi2Te2.Se-7(0.3) + 0.15 wt% BiI3 + 0.15 wt% SnSb2Te4 sample. This work provides a feasible approach to effectively improve the thermoelectric performance of n-type zone-melted Bi2Te3.
MATERIALS TODAY PHYSICS
(2023)
Article
Chemistry, Inorganic & Nuclear
Dabin Park, Minsu Kim, Jooheon Kim
Summary: In this study, tin(IV) sulfide (SnS2) and multiwalled carbon nanotube (MWCNT) composites were fabricated using a simple solution-mixing method in a hydrothermal reactor. The strong interface between SnS2 and MWCNTs in the composite material was found to be due to the formation of Sn-O and Sn-S bonds. Furthermore, the temperature-dependent thermoelectric properties showed that the SnS2-MWCNT hybrid composite with 3 wt % MWCNTs exhibited significantly enhanced power factor compared to pristine SnS2.
INORGANIC CHEMISTRY
(2022)
Article
Computer Science, Information Systems
Rahate Ahmed, Zeeshan, Muhammad Uzair Mehmood, Abdul Mannan, Jae Young Lee, Sang Hoon Lim, Wongee Chun
Summary: This study explores the integration of a thermoelectric generator in an earphone to enhance battery durability, with numerical analysis on different temperature conditions. The results provide insights into the performance of the thermoelectric generator in improving energy efficiency in earphones.
Article
Materials Science, Multidisciplinary
Shantanu Misra, Petr Levinsky, Anne Dauscher, Ghouti Medjahdi, Jiri Hejtmanek, Bernard Malaman, G. Jeffrey Snyder, Bertrand Lenoir, Christophe Candolfi
Summary: Chalcogenide semiconductors and semimetals, including tetragonal InTe, are promising candidates for thermoelectric applications due to their high thermoelectric performance near 800 K. An investigation of InTe single crystals grown over a wide temperature range revealed anisotropic transport coefficients and a semiconductor ground state despite previous suggestions of a semimetallic nature. The extremely low lattice thermal conductivity of InTe, combined with a relatively high power factor, resulted in a maximum dimensionless thermoelectric figure of merit of 0.61 at 780 K along the [110] direction, laying a solid foundation for future doping strategies in high-temperature thermoelectric applications.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Engineering, Electrical & Electronic
Xubiao Zhou, Shangsheng Li, Taichao Su, Meihua Hu, Qiang Hu, Bingke Qin
Summary: In addition to excellent thermoelectric performance in the medium temperature region, tellurium also has the advantages of simple composition and not easy to segregate, making it attractive in practical manufacturing and application. This study overcame the poor electrical transport properties of tellurium by using the in situ compositing method to form a dispersoid distribution of FeTe2 in the tellurium matrix, resulting in a high carrier concentration and enhanced power factor.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Chemistry, Physical
J. Andzane, A. Felsharuk, A. Sarakovskis, U. Malinovskis, E. Kauranens, M. Bechelany, K. A. Niherysh, I. V. Komissarov, D. Erts
Summary: This work presents a simple and cost-effective physical vapor deposition method for producing high-quality Bi2Se3 and Sb2Te3 ultrathin films on various substrates. The synthesized ultrathin films exhibit interesting thermoelectric properties at specific thicknesses, comparable to those grown by molecular beam epitaxy method. Performance of the best ultrathin films is tested in a prototype of a thermoelectric generator.
MATERIALS TODAY ENERGY
(2021)
Article
Physics, Applied
Jasnamol Pezhumkattil Palakkal, Cheriyedath Raj Sankar, Manoj Raama Varma
JOURNAL OF APPLIED PHYSICS
(2017)
Article
Chemistry, Inorganic & Nuclear
A. Assoud, Q. Guo, C. R. Sankar, H. Kleinke
INORGANIC CHEMISTRY FRONTIERS
(2017)
Article
Chemistry, Physical
Jasnamol Pezhumkattil Palakkal, Cheriyedath Raj Sankar, Ajeesh Parayancheri Paulose, Manoj Raama Varma
JOURNAL OF ALLOYS AND COMPOUNDS
(2018)
Article
Materials Science, Multidisciplinary
Jasnamol P. Palakkal, Meladath Rijila, Ajeesh P. Paulose, Cheriyedath Raj Sankar
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2018)
Article
Materials Science, Multidisciplinary
Jasnamol Pezhumkattil Palakkal, Cheriyedath Raj Sankar, Ajeesh Parayancheri Paulose, Matjaz Valant, Artem Badasyan, Manoj Raama Varma
MATERIALS RESEARCH BULLETIN
(2018)
Article
Chemistry, Inorganic & Nuclear
Vijayakumar Sajitha Aswathy, Cheriyedath Raj Sankar
INORGANIC CHEMISTRY FRONTIERS
(2018)
Article
Materials Science, Multidisciplinary
Jasnamol P. Palakkal, Chinna Obula Reddy, Ajeesh P. Paulose, Cheriyedath Raj Sankar
MATERIALS RESEARCH EXPRESS
(2018)
Article
Materials Science, Ceramics
Jasnamol Pezhumkattil Palakkal, Aswathi Kaipamangalath, Cheriyedath Raj Sankar, Manoj R. Varma
CERAMICS INTERNATIONAL
(2018)
Article
Chemistry, Inorganic & Nuclear
Cheriyedath Raj Sankar, Anna Becker, Abdeljalil Assoud, Holger Kleinke
INORGANIC CHEMISTRY
(2013)
Article
Chemistry, Inorganic & Nuclear
Cheriyedath Raj Sankar, Abdeljalil Assoud, Holger Kleinke
INORGANIC CHEMISTRY
(2013)
Article
Chemistry, Physical
Savitree Bangarigadu-Sanasy, Cheriyedath Raj Sankar, Paul A. Dube, John E. Greedan, Holger Kleinke
JOURNAL OF ALLOYS AND COMPOUNDS
(2014)
Article
Chemistry, Inorganic & Nuclear
Abdeljalil Assoud, Cheriyedath Raj Sankar, Holger Kleinke
SOLID STATE SCIENCES
(2014)
Article
Materials Science, Multidisciplinary
Jasnamol P. Palakkal, Cheriyedath Raj Sankar, Manoj R. Varma
MATERIALS CHEMISTRY AND PHYSICS
(2019)
Article
Chemistry, Inorganic & Nuclear
Vijayakumar Sajitha Aswathy, Cheriyedath Raj Sankar, Manoj Raama Varma, Abdeljalil Assoud, Mario Bieringer, Holger Kleinke
DALTON TRANSACTIONS
(2017)
Article
Chemistry, Physical
Yixuan Shi, Abdeljalil Assoud, Cheriyedath Raj Sankar, Holger Kleinke
CHEMISTRY OF MATERIALS
(2017)
Article
Chemistry, Physical
J. Zamora, T. Bautista, N. S. Portillo-Velez, A. Reyes-Montero, H. Pfeiffer, F. Sanchez-Ochoa, H. A. Lara-Garcia
Summary: Experimental and DFT studies were conducted on the structural, magnetic, and optical properties of RFeO3 perovskites. The perovskites exhibited an orthorhombic crystal structure and weak ferromagnetic behavior. They were confirmed to be semiconductors with a bandgap of approximately 2.1 eV.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xianxiang Lv, Jing Jin, Weiguang Yang
Summary: By depositing TiN and TiO2 surface layers on AlSi films, the electrochemical performance of silicon-based anodes can be significantly improved, suppressing volume expansion and promoting the formation of a stable SEI layer.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Sharafat Ali, Haider Ali, Syedul Hasnain Bakhtiar, Sajjad Ali, Muhammad Zahid, Ahmed Ismail, Pir Muhammad Ismail, Amir Zada, Imran Khan, Huahai Shen, Rizwan Ullah, Habib Khan, Mohamed Bououdina, Xiaoqiang Wu, Fazal Raziq, Liang Qiao
Summary: The construction and optimization of redox-heterojunctions using a bifunctional phosphate as an electron-bridge demonstrated significant improvements in photo catalytic activity, including enhanced dispersion, reduced interfacial migration resistance, and increased abundance of active-sites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ren-Ni Luan, Na Xu, Chao-Ran Li, Zhi-Jie Zhang, Yu-Sheng Zhang, Jun Nan, Shu-Tao Wang, Yong-Ming Chai, Bin Dong
Summary: Extensive research has revealed that oxygen evolution reaction (OER) in alkaline conditions involves dynamic surface restructuring. The development and design of sulfide/oxide pre-catalysts can reasonably adjust the composition and structure after surface reconstruction, which is crucial for OER. This study utilized a simple two-step hydrothermal method to achieve in situ S leaching and doping, inducing the composition change and structure reconstruction of CoFe oxides. The transformed FeOOH and CoOOH exhibited excellent OER activity and could be easily mass-produced using low-cost iron based materials and simple methods.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jun'an Lai, Daofu Wu, Peng He, Kang An, Yijia Wang, Peng Feng, WeiWei Chen, Zixian Wang, Linfeng Guo, Xiaosheng Tang
Summary: Zero-dimensional organic-inorganic metal halides (OMHs) are gaining attention in the fabrication of light-emitting diodes due to their broad emission band and high photoluminescence quantum yield. This work synthesized a zero-dimensional organic tetraphenylphosphonium bismuth chloride (TBC) that showed efficient blue light emission, with the emission mechanism attributed to the transition of Bi3+ ions. White light-emitting diodes (WLEDs) were fabricated using TBC, along with green-emitting and red-emitting single crystals, achieving single-component white emissions. These findings demonstrate the different emission mechanism of ns2 ions-based OMHs and highlight the potential of bismuth-based OMHs in WLEDs applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xuewei Liang, Yunhai Su, Taisen Yang, Zhiyong Dai, Yingdi Wang, Xingping Yong
Summary: The revolutionary design concept of high-entropy alloys has brought new opportunities and challenges to the development of advanced metal materials. In this work, AlCrCuFe2NiTix high-entropy flux cored wires were prepared by combining the design idea of a high-entropy alloy with the characteristics of flux cored wire. AlCr-CuFe2NiTix high-entropy surfacing alloys were prepared using gas metal arc welding technology. The wear properties of the alloys were analyzed, and the phase composition, microstructure, strengthening mechanism, and wear mechanism were discussed. The results show that the alloys exhibit a dendritic microstructure with BCC/B2 + FCC phases. Increasing Ti content leads to the precipitation of Laves phase. The alloys show improved microhardness and wear resistance due to the precipitation of coherent B2 and Laves phases. However, excessive Ti addition results in the increase of Laves phase and reduced wear resistance of the alloys.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
M. Vadivel, M. Senthil Pandian, P. Ramasamy, Qiang Jing, Bo Liu
Summary: This work presents the enhanced photocatalytic and electrochemical performance of g-C3N4 assisted PAA on CoFe2O4 ternary nanocomposites. The incorporation of PAA and g-C3N4 improves the separation efficiency of photogenerated charge carriers, resulting in superior photocatalytic degradation and high specific capacitance values.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Vibhu T. Sivanandan, Ramany Revathy, Arun S. Prasad
Summary: In this study, pure and doped cobalt ferrite nanoparticles were prepared using the sol-gel auto-combustion method with the aid of lemon juice as eco-fuel. The crystal structure, lattice parameter, crystallite size, microstrain, optical parameters, and room temperature magnetic properties of the samples were analyzed. The effect of doping on the magnetic properties was also investigated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qing Guo, Bowen Zhang, Benzhe Sun, Yang Qi
Summary: This study prepared ZnO films with various nonpolar preferred orientations using conventional chemical bath deposition method and characterized their growth process and mechanism. It was found that the type and concentration of nitrate could control the preferred orientation and surface roughness of ZnO films. Additionally, ZnO films with different preferred orientations exhibited different optical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Chong Zhang, Yan Liu, Zhaoyan Wang, Hang Yang
Summary: In this study, six bimetallic FeCo particles were synthesized via the hydrothermal method at different Fe:Co ratios. The Fe:Co ratio not only modulates the composition of the particles but also influences their structure and magnetic properties. The FeCo alloys showed a transformation from an Fe-based structure to a Co-based structure with increasing Co content. The Fe:Co ratio of 1:1 and 3:1 resulted in particles with the highest and lowest saturation magnetization, respectively.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jianning Zhang, Jing Li, Yiren Wang, Xiaodong Mao, Yong Jiang
Summary: We conducted a study on the formation of ultra-fine Y-Ti-Ta-O nano-oxides in Ta+B micro-alloyed 13CrWTi-ODS alloys using electron microscopy and first-principles calculations. The Y-Ti-Ta-O nano-oxides were found to be mainly Y2(Ti,Ta)2O7, with an average size of 7 nm and a number density of 6.8 x 1023 m-3. Excess boron was found to enhance the adhesion of some low-sigma grain boundaries but weaken the Fe/Y2Ti2O7 interface, while excess tantalum enhanced the Fe/Y2Ti2O7 interface but caused serious degradation of grain boundaries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Yirong Fang, Pei Cheng, Hang Yuan, Hao Zhao, Lishu Zhang
Summary: A new composite system of nitrogen-doped reduced graphene oxide and black phosphorus quantum dots has been developed for tumor therapy, showing improved electrochemical properties and stability. The system generates hydrogen peroxide and hydroxyl radical to effectively kill tumor cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xiufang Qin, Yuanli Ma, Hui Zhang, Ting Zhang, Fang Wang, Xiaohong Xu
Summary: The structure and magnetism of cobalt ferrites after Mn2+-Tb3+ co-doping were studied. Co-doped samples exhibited cubic spinel structure and spherical shape of ferrite nanoparticles. The redistribution of Co2+ and Fe3+ ions between octahedral and tetrahedral sites was observed due to Mn2+-Tb3+ co-doping. The coercivity and magnetization saturation of co-doped samples were significantly improved, leading to a maximum energy product that is 190% higher than that of the un-doped sample.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ho Yeon Lee, Wonjong Yu, Yoon Ho Lee
Summary: Recently, there has been an increasing interest in developing ultra-fine nanostructured electrodes with extensive reaction areas to enhance the performance and low-temperature operation of solid oxide fuel cells. The use of a refined approach involving co-sputtering metal alloys and oxide targets has demonstrated the feasibility of nano-columnar structures in perovskite-based electrodes, expanding the temperature range of thin film electrodes. This study systematically examines the effects of chamber pressure control in the co-sputtering process and identifies the intricate relationship between sputtering pressure and film structure. By fine-tuning the columnar growth in the electrode, significant improvements in performance and thermo-mechanical properties were achieved, resulting in high-performance all-sputtered solid oxide fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qianyun Bai, Xiaoxiao Yan, Da Liu, Kang Xiang, Xin Tu, Yanhui Guo, Renbing Wu
Summary: This study proposes a simple method to develop a non-precious transition metal-based electrocatalyst with high catalytic activity and robustness for the hydrogen evolution reaction. The as-synthesized electrode exhibits a low overpotential and high current density, indicating its potential in energy conversion.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)