Quantum yields of O(1D) formation in the photolysis of ozone …
2002年10月25日 · This is the first report on the systematic measurements of the O(1 D) quantum yields from ozone photolysis in the wide range of wavelength in the UV region. As a photolysis light source in this study, an optical parametric oscillator (OPO) with a second harmonic generator, which allowed us to generate tunable UV light in the wide wavelength ...
O(1D) Quantum Yields of Ozone Photolysis in the UV from 300 …
1995年3月1日 · Relative quantum yields for O1D production in the photolysis of ozone between 301 and 336 nm: evidence for the participation of a spin-forbidden channel. Chemical Physics Letters 1997 , 264 (3-4) , 309-315.
Relative quantum yields for O1D production in the photolysis of ozone ...
1997年1月10日 · The results confirm that there is a significant quantum yield for O 1 D production at wavelengths longer than 320 nm. A measurable yield is observed out to 336 nm providing evidence for spin-forbidden production of O 1 D.
Quantum Yield for O(1D) Production from Ozone Photolysis in …
2004年3月17日 · The quantum yield values for O(1 D) production from the photodissociation reaction of O 3 between 193 and 225 nm at 298 ± 2 K are reported. The O( 1 D) photofragments have been detected directly using a technique of vacuum ultraviolet laser-induced fluorescence spectroscopy at 115.22 nm which is associated with the electronic transition of O ...
Quantum yields for production of O(1D) in the ultraviolet …
2002年2月8日 · The quantum yield for O(1D) production in the photolysis of ozone in the ultraviolet region as a function of wavelength and temperature is a key input for modeling calculations in the atmospheric c...
The O(1D) quantum yields, in the wavelength range 289- 329 nm, were measured between 203 and 320 K using an absolute as well as a relative method. In the absolute method, the quantum yields for O(1D) were determined by converting it to O(3P)by reaction with O3 and measuring O(3P) via resonance fluorescence (RF) [Tatukdar et al., 1997]. O(1D) is
Accurate Determination of the Absolute Quantum Yield for O(1D ...
2004年11月2日 · The absolute O(1 D) quantum yield at 308.0 nm at room temperature (298 ± 2 K) is determined to be 0.804 ± 0.048 (95% confidence interval), in which the uncertainty is much smaller than the values recommended for use in atmospheric studies.
Relative quantum yields of O(1D) in Ozone Photolysis in the region ...
1978年12月15日 · The observed intensity data were appropriately corrected as described earlier, for cal- culating the relative quantum yields of O^D) produc- tion in the ozone photolysis. The results obtained in 4 determinations were averaged for each photolysis wavelength, and they were normalized over the wavelength range studied to give an average of 1-00.
The near-uv photolysis of ozone: quantum yields of O(1D) …
Quantum yields Φ have been measured for the O(1D) fragment from the photolysis of ozone between 305 and 329 nm at temperatures of 298, 273, 247 and 227 K. Relative yield measurements of the atomic fragment were made by REMPI, and placed on an absolute scale by comparison with published quantum yields at 308
Laser flash photolysis: Quantum yield of O(1D) formation from ozone …
1977年9月1日 · The wavelength dependence of the quantum yield of O(1 D) formation from ozone was determined in the region between 295 and 320 nm by use of a narrow bandwidth laser (Δλ = 0.1 nm). The NO 2 * chemiluminescence in a mixture of O 3 and N 2 O was used to monitor the O( 1 D) formed in the photolysis.