Neocyanine

[Athiril]

There is a type of chlorophyll that is actually near IR sensitive. It was found in some algae species recently I think. IIRC it was Chlorophyll F.

Ah, here it is here -
http://en.wikipedia.org/wiki/Chlorophyll_f

 

[ME Super]

Generically, phthalocyanines are sensitizing dyes, but their effectiveness just as with other dyes must be determined by some means such as actually doing the experiment.

PE

Thanks Ron. It's been a few days since I checked this thread. I figured some experimentation would be required. It's been a little crazy here with the holidays.

 

[Andrew O'Neill]

Not sure where one could easily source chlorophyll F.

 

[kb3lms]

Generically, phthalocyanines are sensitizing dyes, but their effectiveness just as with other dyes must be determined by some means such as actually doing the experiment.

This is interesting. Without checking I had written off pthalocyanines as sensitizers because of the general structure and I didn't recall seeing them in any of the references I have.

Is it the metal free phthalocyanines that are sensitizers? Or, are the metal varieties, eg copper or nickel pthalocyanine, included?

The prices of pthalocyanines are almost reasonable!

-- jason

 

[Photo Engineer]

Jason, IIRC, it is the metal free varieties.

PE