Sonoelectrochemical Approach Towards Novel Nanostructured Thermoelectric Materials 1
A Spherical- and rod-shaped PbTe nanoparticles
A
B
C
2
3
1
B
2
3
Nanostructured thermoelectric thin films 250 200
p-type
A
S (μV/K)
150
B
100
P bS e
50 0
Seebeck coefficients
B i2 S e 3
-5 0
n-type
-1 0 0 -1 5 0
Sonoelectrochemistry
0
50
100
150
200
250
300
T (K ) 10 4
Heterostructured Bi2Se3 nanowire with periodic interfaces between hexagonal and orthorhombic phases.
R (Ω)
PbSe
10 3
Resistivities Bi 2 Se 3
10 2 0
5
10
15
20
25
-1
1000/T (K )
Prof. Clemens Burda, Chemistry Department at CASE Western Reserve University
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