作者:Max R. McGillen、James B. Burkholder
DOI:10.1016/j.cplett.2015.09.024
日期:2015.10
measured in the 296 K photolysis of CF3C(O)Cl at 193, 248, 254, and 280 nm. Br2 was used as a radical scavenger to convert the primary CF3 and CF3CO radical photofragments into stable bromides, CF3Br and CF3C(O)Br, which were quantified along with CO and CF2O using infrared absorption. The stabilized CF3CO radical yield increased with increasing photolysis wavelength from <0.007 at 193 nm to 0.95−0.10+0.05
在193 K ,248、254和280 nm的CF 3 C(O)Cl的296 K光解中测量了产物的产率。Br 2被用作自由基清除剂,可将主要的CF 3和CF 3 CO自由基光碎片转化为稳定的溴化物CF 3 Br和CF 3 C(O)Br,并利用红外吸收将其与CO和CF 2 O一起定量。随着光解波长的增加,稳定的CF 3 CO自由基产率从193 nm处的<0.007增加到280 nm处的0.95-0.10 + 0.05 。在所有波长下,ClCO自由基收率的上限估计为<0.004。CF 3在所有波长下,测定的Cl量子产率均<0.001。