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Original Articles

Amplification Processes in Photochemical Unconventional SystemsFootnote

Pages 234-240 | Received 03 Aug 1978, Published online: 22 Jul 2016
 

Abstract

The factor preventing unconventional photochemical systems from widespread applications is their low sensitivity. High-gain amplification processes increase the response quantum efficiency. A proposal for classification of the amplification photographic systems is presented.

Résumé

La faible sensibilité des systèmes photochimiques non durch die primäre photochemische Reaktion entstehenden Latent-conventionnels est le principal obstacle s’opposant à la généralisa- bildes. Die Mechanismen, Verkettungsreaktionen durch freie tion de leur emploi. Les procédés d’amplification à gain élevé Radiale, photochemische Verstärkungsreaktionen (optische Ent- augmentent l’efficacité quantique de réponse. Les procédés d’ampli- Wicklung) und Reaktionen, die durch photochemisch erzeugte fication existants ont été classés d’apiès la nature des constituants Komponenten katalysiert werden, werden im einzelnen diskutiert, de l’image latente formée par la réaction photochimique primaire. Les mécanismes des réactions en chaîne faisant intervenir des nriMiixiTn ,

Zusammenfassung

La ragione che impedisce una diffusa applicazione radicaux libres, des réactions d amplification photochimique dei sistemi fotochimici non convenzionali è la loro bassa sensibilità. (développement optique) et des reactions catalysées par des processj dj ampIificazione ad c,evat0 guadagno aumcn,ano composes produits photochimiquement, seront discutes. Unkonventionelle photochemische Sys- dell’immagine latente che si formano nel corso della reazione teme haben meist den Nachteil einer niedrigen Empfindlichkeit. fotochimica primaria. Viene discusso il meccanismo delle reazioni a Durch geeignete Verstärkungsprozesse läβt sich jedoch die effektive catena dei radicali liberi, le reazioni di amplificazione fotochimica Empfindlichkeit erhöhen. Die existierenden Verstärkungsmechanis- (sviluppo ottico) e le reazioni catalizzate dal prodotti generati men werden hier eingeteilt nach der Art der Komponenten des fotochimicamente

Notes

Paper presented at a symposium on “Unconventional Photographic Systems”, organized by the Science Committee of The Royal Photographic Society on 12-16 September 1977, in Oxford.

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