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195 results
  • Thermal properties of ordered and disordered DNA chains: Efficient energy conversion. [Journal Article]
    Chemphyschem 2019Silva JHO, Maiti SK
  • Considering the numerous possibilities of having suitable thermoelectric energy conversion at nano-scale level, especially for molecular systems, in the present work we put forward a new proposal along this using a flat DNA segment as a functional element. It is modeled by coupling two chains to a form a two-stranded ladder like geometry, with interactions to first neighbors, within the tight-bin…
  • Fabrication and Electrical Properties of Silver Telluride Nanowires. [Journal Article]
    J Nanosci Nanotechnol 2020; 20(4):2628-2632Gao Y, Wang K, … Shi Y
  • As a new topological insulator material, the β-phase silver telluride (Ag₂Te) nanowire is a narrow bandgap semiconductor, which is attractive for its excellent properties. In this study, Ag₂Te nanowires were synthesized by one-step hydrothermalmethod. The nanowires showed good electrical properties with maximum drain-source voltage of 1.5 V, and the output current was up to 20 μA. The gate voltag…
  • Electrodeposition of V-VI Nanowires and Their Thermoelectric Properties. [Review]
    Front Chem 2019; 7:516Manzano CV, Martin-Gonzalez M
  • Nanostructuration is an intensive field of research due to the appearance of interesting properties at the nanoscale. For instance, in thermoelectricity the most outstanding improvements obtained lately are related to phenomena that appear as a result of nano-engineering different materials. The thermoelectric effect is the direct conversion from temperature gradients into electricity and vice ve…
  • Enhanced Thermoelectric Performance of As-Grown Suspended Graphene Nanoribbons. [Journal Article]
    ACS Nano 2019; 13(8):9182-9189Li QY, Feng T, … Takahashi K
  • Conventionally, graphene is a poor thermoelectric material with a low figure of merit (ZT) of 10-4-10-3. Although nanostructuring was proposed to improve the thermoelectric performance of graphene, little experimental progress has been accomplished. Here, we carefully fabricated as-grown suspended graphene nanoribbons with quarter-micron length and ∼40 nm width. The ratio of electrical to thermal…
  • Nanowire forest of pnictogen-chalcogenide alloys for thermoelectricity. [Journal Article]
    Nanoscale 2019; 11(28):13423-13430Singhal D, Paterson J, … Bourgeois O
  • Pnictogen and chalcogenide compounds have been seen as high-potential materials for efficient thermoelectric conversion over the past few decades. It is also known that with nanostructuration, the physical properties of these pnictogen-chalcogenide compounds can be further enhanced towards a more efficient heat conversion. Here, we report the reduced thermal conductivity of a large ensemble of Bi…
  • Fiber-Based Energy Conversion Devices for Human-Body Energy Harvesting. [Review]
    Adv Mater 2019; :e1902034Huang L, Lin S, … Zhou J
  • Following the rapid development of lightweight and flexible smart electronic products, providing energy for these electronics has become a hot research topic. The human body produces considerable mechanical and thermal energy during daily activities, which could be used to power most wearable electronics. In this context, fiber-based energy conversion devices (FBECD) are proposed as candidates fo…
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