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| Study of thermoelectric properties of nanocrystalline Sb2Se3 doped PZT
ferroelectric ceramics |
| WU Yali，YUE Caixia ，JIN Hong |
| Jining Normal University，Wulanchabu 012000，China |
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Abstract In order to enhance the thermoelectric properties of piezoelectric ceramics（PZT）ferroelectric ceramics，
Sb2Se3 was doped into PZT ferroelectric ceramics by solid sintering technology. XRD analysis of the doped
samples show that the Sb2Se3 doped into PZT is effectively. And then the thermoelectric properties of the sample
materials are analyzed in detail. The results show that with the increase of temperature，the absolute values of Seebeck
coefficient of samples increase gradually，and are all negative. The absolute values are lower than that without
PZT. The thermal conductivity of the sample with smaller volume is lower than that of the larger sample obviously.
With the amount increase of doping Sb2Se3 into PZT ferroelectric ceramics，the conductivity increases firstly
and then decreases. The maximum ZT value of PZT material with 0.3 doping is 0.28 at 615 K（342 ℃）
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Received: 23 March 2020
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2021, Vol. 31 
