Silicon Membranes for Thermoelectrics

Andrey Shchepetov, Mika Prunnila, Jouni Ahopelto

Research output: Contribution to conferenceConference AbstractScientific

Abstract

Silicon is currently the major semiconductor material for ICT and will probably sustain the Moore's law the coming decades in the integrated circuits and memories. As thermoelectric material silicon has suffered from the relatively high thermal conductivity, preventing successful exploitation of silicon in energy harvesting and in thermal management, i.e., like cooling. The recent experimental and theoretical results have shown that in ultra-thin silicon membranes the propagation of phonons can be largely blocked while maintaining the good electrical properties, high conductivity and Seebeck coefficient.[1] In this presentation we will discuss the potential of silicon membranes as thermoelectric material in the light of the recent findings of controlling the behaviour of phonons in the nanoscale membranes. The simulations show that cooling of several tens of degrees from the room temperature is possible with the membrane devices.
Original languageEnglish
Publication statusPublished - 2015
Event2015 MRS Fall Meeting & Exhibit - Boston, United States
Duration: 29 Nov 20154 Dec 2015

Seminar

Seminar2015 MRS Fall Meeting & Exhibit
CountryUnited States
CityBoston
Period29/11/154/12/15

Fingerprint

membranes
silicon
thermoelectric materials
phonons
cooling
Seebeck effect
exploitation
integrated circuits
thermal conductivity
electrical properties
conductivity
propagation
room temperature
coefficients
simulation
energy

Cite this

Shchepetov, A., Prunnila, M., & Ahopelto, J. (2015). Silicon Membranes for Thermoelectrics. Abstract from 2015 MRS Fall Meeting & Exhibit, Boston, United States.
Shchepetov, Andrey ; Prunnila, Mika ; Ahopelto, Jouni. / Silicon Membranes for Thermoelectrics. Abstract from 2015 MRS Fall Meeting & Exhibit, Boston, United States.
@conference{7a6b4587e849405c86eb101259183bec,
title = "Silicon Membranes for Thermoelectrics",
abstract = "Silicon is currently the major semiconductor material for ICT and will probably sustain the Moore's law the coming decades in the integrated circuits and memories. As thermoelectric material silicon has suffered from the relatively high thermal conductivity, preventing successful exploitation of silicon in energy harvesting and in thermal management, i.e., like cooling. The recent experimental and theoretical results have shown that in ultra-thin silicon membranes the propagation of phonons can be largely blocked while maintaining the good electrical properties, high conductivity and Seebeck coefficient.[1] In this presentation we will discuss the potential of silicon membranes as thermoelectric material in the light of the recent findings of controlling the behaviour of phonons in the nanoscale membranes. The simulations show that cooling of several tens of degrees from the room temperature is possible with the membrane devices.",
author = "Andrey Shchepetov and Mika Prunnila and Jouni Ahopelto",
year = "2015",
language = "English",
note = "2015 MRS Fall Meeting & Exhibit ; Conference date: 29-11-2015 Through 04-12-2015",

}

Shchepetov, A, Prunnila, M & Ahopelto, J 2015, 'Silicon Membranes for Thermoelectrics' 2015 MRS Fall Meeting & Exhibit, Boston, United States, 29/11/15 - 4/12/15, .

Silicon Membranes for Thermoelectrics. / Shchepetov, Andrey; Prunnila, Mika; Ahopelto, Jouni.

2015. Abstract from 2015 MRS Fall Meeting & Exhibit, Boston, United States.

Research output: Contribution to conferenceConference AbstractScientific

TY - CONF

T1 - Silicon Membranes for Thermoelectrics

AU - Shchepetov, Andrey

AU - Prunnila, Mika

AU - Ahopelto, Jouni

PY - 2015

Y1 - 2015

N2 - Silicon is currently the major semiconductor material for ICT and will probably sustain the Moore's law the coming decades in the integrated circuits and memories. As thermoelectric material silicon has suffered from the relatively high thermal conductivity, preventing successful exploitation of silicon in energy harvesting and in thermal management, i.e., like cooling. The recent experimental and theoretical results have shown that in ultra-thin silicon membranes the propagation of phonons can be largely blocked while maintaining the good electrical properties, high conductivity and Seebeck coefficient.[1] In this presentation we will discuss the potential of silicon membranes as thermoelectric material in the light of the recent findings of controlling the behaviour of phonons in the nanoscale membranes. The simulations show that cooling of several tens of degrees from the room temperature is possible with the membrane devices.

AB - Silicon is currently the major semiconductor material for ICT and will probably sustain the Moore's law the coming decades in the integrated circuits and memories. As thermoelectric material silicon has suffered from the relatively high thermal conductivity, preventing successful exploitation of silicon in energy harvesting and in thermal management, i.e., like cooling. The recent experimental and theoretical results have shown that in ultra-thin silicon membranes the propagation of phonons can be largely blocked while maintaining the good electrical properties, high conductivity and Seebeck coefficient.[1] In this presentation we will discuss the potential of silicon membranes as thermoelectric material in the light of the recent findings of controlling the behaviour of phonons in the nanoscale membranes. The simulations show that cooling of several tens of degrees from the room temperature is possible with the membrane devices.

M3 - Conference Abstract

ER -

Shchepetov A, Prunnila M, Ahopelto J. Silicon Membranes for Thermoelectrics. 2015. Abstract from 2015 MRS Fall Meeting & Exhibit, Boston, United States.