What is the different between thin-film PV cell and crystalline silicon PV cell?

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Discussion Overview

The discussion centers on the differences between thin-film photovoltaic (PV) cells and crystalline silicon PV cells, focusing on their materials, fabrication processes, and potential trade-offs. Participants explore the characteristics of each type and seek clarification on multi-junction PV cells' classification.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants question whether thin-film and crystalline silicon PV cells use the same materials but differ in fabrication processes.
  • One participant notes the fabrication process for crystalline silicon involves creating a large pillar of silicon, cutting it into wafers, and then into smaller chips, but lacks details on further processing.
  • Another participant expresses uncertainty about thin-film technology but suggests it may involve different production methods.
  • A later reply encourages further research into the advantages and costs associated with cutting silicon wafers from crystalline boules.

Areas of Agreement / Disagreement

Participants generally agree that there are significant differences in fabrication processes between thin-film and crystalline silicon PV cells, but the discussion remains unresolved regarding the specifics and implications of these differences.

Contextual Notes

Participants express uncertainty about the exact processes involved in thin-film PV cell production and the advantages of crystalline silicon fabrication, indicating a need for further exploration of these topics.

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What is the different between thin-film PV cell and crystalline silicon PV cell?
Are they using the same material but just differ in the fabrication process?

Does a multi-junction PV cell belongs to thin-film or crystalline type?
 
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linklink said:
What is the different between thin-film PV cell and crystalline silicon PV cell?
Are they using the same material but just differ in the fabrication process?

Does a multi-junction PV cell belongs to thin-film or crystalline type?

There certainly is a big difference in fabrication. Can you tell us what that difference is, and what are the tradeoffs in doing it the two different ways?
 
What I know is, for crystalline silicon, we will first make a big pillar of silicon, then cut it into pieces (wafer). Something have to be done to the wafer but I don't know what is it exactly. And finally cut the wafer into small chips.

I totally know nothing about thin-film, but then I guess both of them are using the same material with different production method.
 
linklink said:
What I know is, for crystalline silicon, we will first make a big pillar of silicon, then cut it into pieces (wafer). Something have to be done to the wafer but I don't know what is it exactly. And finally cut the wafer into small chips.

I totally know nothing about thin-film, but then I guess both of them are using the same material with different production method.

Very good. You are on the right track. Please use wikipedia and Google to research this more. Cutting Si wafers from pure crystalline boules gives you what advantages? At what cost?
 

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