Heavy metals and semiconductors

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    Metals Semiconductors
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Discussion Overview

The discussion revolves around the identification of semiconductors that are classified as heavy metals, with a particular focus on their potential toxicity. Participants explore the relationship between heavy metals and semiconductor materials, including the implications of toxicity in different chemical forms.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant inquires about a list of semiconductors that are heavy metals.
  • Another participant provides a link to a list of semiconductor materials, noting that some may be compounds involving heavy metals.
  • A participant expresses concern about the toxicity of heavy metal semiconductors and mentions difficulty in finding relevant information on toxicity from the provided link.
  • It is argued that the toxicity of a compound cannot be assumed solely based on the presence of a heavy metal, as the chemical context matters significantly.
  • A claim is made that there are no "heavy metal" semiconductors by definition, but there are semiconductors that may be doped with heavy metals or contain them in compounds.
  • Participants are advised to consult Material Safety Data Sheets (MSDS) for specific compounds to determine toxicity.

Areas of Agreement / Disagreement

Participants exhibit disagreement regarding the classification of semiconductors as heavy metals and the implications for toxicity. There is no consensus on a definitive list of heavy metal semiconductors or their toxicity.

Contextual Notes

The discussion highlights the complexity of determining toxicity based on chemical composition and the need for specific information regarding individual compounds. The definitions of "heavy metal" and "semiconductor" are not uniformly agreed upon.

bluejay27
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Is there a list of semiconductors that are heavy metals?
 
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rootone said:
Here is an extensive list of semiconductor materials.
Some of them are compounds of elements involving heavy metals.
https://en.wikipedia.org/wiki/List_of_semiconductor_materials
The reason I was asking for a list of heavy metal semiconductors was because I wanted to know which ones would be toxic. I checked the wikipedia page but was unable to find which ones were toxic.
 
bluejay27 said:
The reason I was asking for a list of heavy metal semiconductors was because I wanted to know which ones would be toxic. I checked the wikipedia page but was unable to find which ones were toxic.

This is puzzling. Just because an element by itself is toxic doesn't mean that in a compound, it is still toxic. You do not want to ingest sodium and inhale chlorine separately, but in NaCl, it can be consumed.

There are no "heavy metal" semiconductors, because by definition they are not! There are, however, semiconductors that have been doped with them, or that they are part of a compound that form the semiconductor. The toxicity of the semiconductor cannot be determined simply by the presence of a heavy metal element, but this is true with most material, so one has to assume that you do not want to swallow any of them.

Look up the MSDS of a particular compound or material that you are curious about. If it is toxic, it will state it there.

Zz.
 
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