silver halide+ dye

Silverhalide Emulsions / Chemistry.
PRATHEEP
Posts: 8
Joined: Mon Sep 14, 2020 6:06 am
Location: INDIA TAMILNADU COIMBATORE

silver halide+ dye

Post by PRATHEEP »

Does any one know of any suitable dyes other then Pinacyanol to sensitize silver halide emulsion to red laser 632.8 nm ?
PRATHEEP
RESEARCH SCHOLAR
KONGUNADU ARTS AND SCIENCE COLLEGE
COIMBATORE INDIA
Martin
Posts: 131
Joined: Sat Apr 04, 2015 2:36 am

Re: silver halide+ dye

Post by Martin »

PRATHEEP wrote: Sat Aug 14, 2021 6:50 am Does any one know of any suitable dyes other then Pinacyanol to sensitize silver halide emulsion to red laser 632.8 nm ?

3-carboxymethyl-3',9-diethyl-5,5'-dimethylthiacarbocyanine betain (it used to be available from
www.organica.de/en/products/dyes/) might be a good alternative for Pinacyanol.
PRATHEEP
Posts: 8
Joined: Mon Sep 14, 2020 6:06 am
Location: INDIA TAMILNADU COIMBATORE

Re: silver halide+ dye

Post by PRATHEEP »

3-carboxymethyl-3',9-diethyl-5,5'-dimethylthiacarbocyanine betain dye is not matched in ORGANICA
PRATHEEP
RESEARCH SCHOLAR
KONGUNADU ARTS AND SCIENCE COLLEGE
COIMBATORE INDIA
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