triplet excited state

См. также в других словарях:

• triplet state — the excited state resulting when an electron is activated by absorbing a photon, moves to an outer orbital of higher energy, with the electron spin parallel to that of the other unpaired electron; it is a long lived state that cannot decay to a… …   Medical dictionary

• state — A condition, situation, or status. [L. status, condition, s.] absent s. SYN: dreamy s.. activated s. SYN: excited s.. anxiety tension s. a milder form of an anxiety disorder. See anxiety disorders, under disorder …   Medical dictionary

• singlet state — the excited state occurring when one electron of a pair is excited to a higher energy level without changing its spin; it is unstable and can decay to either a ground state or a triplet state …   Medical dictionary

• Doublet state — In quantum mechanics, a doublet is a quantum state of a system with a spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2. Quantum systems with two possible states are sometimes called two level systems.… …   Wikipedia

• Mechanistic organic photochemistry — is that aspect of organic photochemistry which seeks to explain the mechanisms of organic photochemical reactions. The absorption of ultraviolet light by organic molecules very often leads to reactions. In the earliest days sunlight was employed… …   Wikipedia

• Tris(bipyridine)ruthenium(II) chloride — Chembox new IUPACName = ImageFile = Tris(bipyridine)ruthenium(II) chloride.png OtherNames = Ru bipy Ruthenium tris(2,2’ bipyridyl) dichloride Section1 = Chembox Identifiers CASNo = 50525 27 4 RTECS = VM2730000 Section2 = Chembox Properties… …   Wikipedia

• Di-pi-methane rearrangement — The di pi methane rearrangement is a photochemical reaction of a molecular entity comprising two π systems, separated by a saturated carbon atom (a 1,4 diene or an allyl substituted aromatic analog), to form an ene (or aryl ) substituted… …   Wikipedia

• photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… …   Universalium

• luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium