Parallel spectroscopic method for examining dynamic phenomena on the millisecond time scale.
Parallel spectroscopic method for examining dynamic phenomena on the millisecond time scale.
复制标题
用于检查毫秒时间尺度动态现象的并行光谱方法。
DOI：
10.1021/cc800142p
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发表时间：
2009
影响因子：
--
通讯作者：
Rabolt,JohnF
中科院分区：
文献类型：
--
作者：
Snively,ChristopherM;Chase,DBruce;Rabolt,JohnF
一种基于平面阵列红外（PAIR）光谱的红外光谱技术已经被开发出来，它允许同时从多个样品中获取光谱。使用这种技术，它是可能的，以2.2 ms的时间分辨率获得光谱范围为950 - 1900 cm-1的光谱。该系统的性能通过确定几种低分子量液晶的剪切诱导取向响应来证明。五种不同的液晶与五种不同的取向层相结合进行了检查，并演示了初级和次级屏幕。实施这种高通量的PAIR技术导致在减少采集时间相比，步进扫描和超快速扫描FTIR光谱。
An infrared spectroscopic technique based on planar array infrared (PAIR) spectroscopy has been developed that allows the acquisition of spectra from multiple samples simultaneously. Using this technique, it is possible to acquire spectra over a spectral range of 950−1900 cm−1with a temporal resolution of 2.2 ms. The performance of this system was demonstrated by determining the shear-induced orientational response of several low molecular weight liquid crystals. Five different liquid crystals were examined in combination with five different alignment layers, and both primary and secondary screens were demonstrated. Implementation of this high-throughput PAIR technique resulted in a reduction in acquisition time as compared to both step-scan and ultra-rapid-scanning FTIR spectroscopy.