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photochemistry Definition

photo·chem·is·try (fōt′ō kem′is trē)

noun

the branch of chemistry having to do with the effect of light or other radiant energy in producing chemical action, as in photosynthesis or photography

Etymology: photo- + chemistry

photochemistry Related Forms
pho′to·chem′i·cal (-i kəl) adjective
photochemistry Usage Examples

Preposition: of

  • molecule: Our initial work was in the photochemistry of small molecules, for example HOCl, studied by molecular beam techniques.
  • atmosphere: Methane is a greenhouse gas that is 20 times more radiatively active than carbon dioxide and strongly influences the photochemistry of the atmosphere.

Converse of object

  • study: The method provides a very powerful and widely applicable method for studying the primary photochemistry of small gas phase molecules.

Adjective modifier

  • atmospheric: For example, the role of carbon aerosols in atmospheric photochemistry.
  • tropospheric: In the Northern Hemisphere, the summer maximum at polluted sites, such as Payerne, Hohenpeissenberg and Indiana is controlled by tropospheric photochemistry.
  • primary: The method provides a very powerful and widely applicable method for studying the primary photochemistry of small gas phase molecules.

Modifies a noun

  • research: Applied in biomedical research, curing system diagnostics, and UV photochemistry research.

Noun used with modifier

  • ozone: Our research group has made an intensive study of ozone photochemistry for more than thirty years.
  • surface: Job description for Ultrafast surface photochemistry ( doc ).
  • snow: A " snow photochemistry " is at work it seems.