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Mixed thick/thin-film thermocouples for thermoelectric microgenerators and laser power sensor
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Title: Mixed thick/thin-film thermocouples for thermoelectric microgenerators and laser power sensor

Creator:

Markowski, Piotr ; Prociów, Eugeniusz ; Dziedzic, Andrzej

Contributor:

Gaj, Miron. Redakcja ; Urbańczyk, Wacław. Redakcja

Description:

Optica Applicata, Vol. 39, 2009, nr 4, s. 681-690

Abstrakt:

This work presents the fabrication of thermopiles with high output voltage. A series of mixed thick/thin-film thermopiles were performed – one of the arms of the thermocouples was screen-printed (PdAg- or Ag-based thick-film layers), the second was made of magnetron sputtered semiconductor (compositions based on Ge). The output parameters (thermoelectric force ET [V], internal resistance Ri [Ω], output electrical power Pout [W]) of the structures were characterized using a self-made automatic measurement system. The best parameters were achieved for TSG/PdAg (TSG – Ge doped by Sb and Ta) and WSG/Ag (WSG – Ge doped by Sb and W) structures. Generated output voltage per single thermocouple was about 20 mV and output electrical power – 0.55 μW, when temperature difference between hot and cold end was 100 K. Also, the influence of activation process on output parameters was investigated (structures were put into high temperature to initialize recrystallization and grain growth process). The possibilities of using of such structures as thermoelectric microgenerators or sensors were considered. TSG/PdAg-based structures were used to prepare laser power sensor. The level of generated thermoelectric force ET was proportional to the power of the laser beam under investigation. Tests of prototype structures showed that thermoelectric sensors have sufficient resolution and ensure very good repeatability of measurements.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Wrocław

Date:

2009

Resource Type:

artykuł

Resource Identifier:

oai:dbc.wroc.pl:62121

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

eng

Relation:

Optica Applicata ; Optica Applicata, Vol. 39, 2009 ; Optica Applicata, Vol. 39, 2009, nr 4 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka thick-film thin-film thermoelectricity microgenerator sensor thermocouple thermopile

Object collections:

Last modified:

Mar 12, 2019

In our library since:

Mar 12, 2019

Number of object content hits:

45

All available object's versions:

https://dlibra.kdm.wcss.pl/publication/110772

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Mixed thick/thin-film thermocouples for thermoelectric microgenerators and laser power sensor Mar 12, 2019

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