A transflective polymer-stabilized blue-phase liquid crystal display（BP-LCD） with a non-uniform etching substrate is proposed.In-plane switching（IPS） electrodes on the bottom substrate are put on the different gap...A transflective polymer-stabilized blue-phase liquid crystal display（BP-LCD） with a non-uniform etching substrate is proposed.In-plane switching（IPS） electrodes on the bottom substrate are put on the different gaps,and the bottom substrate between the electrodes is etched into different depths in transmissive（T） and reflective（R） regions.This structure can balance the optical phase retardation in the two regions and is helpful to achieve well-matched voltag-dependent transmittance and reflectance curves.This transflective display has high optical efficiency,a wide viewing angle,and low operating voltage（approximately 6 V）.展开更多
采用高密度疏水性低共熔溶剂(Hydrophobic Deep Eutectic Solvents,HDESs)为萃取剂,结合分光光度法,建立了一种涡旋辅助-液相微萃取技术,并成功应用于水中亚甲基蓝的快速测定。HDESs由薄荷醇(氢键受体)和对氯苯酚(氢键供体)按1:1的摩尔...采用高密度疏水性低共熔溶剂(Hydrophobic Deep Eutectic Solvents,HDESs)为萃取剂,结合分光光度法,建立了一种涡旋辅助-液相微萃取技术,并成功应用于水中亚甲基蓝的快速测定。HDESs由薄荷醇(氢键受体)和对氯苯酚(氢键供体)按1:1的摩尔比合成,具有优异的疏水性、高密度特性和对亚甲基蓝的较高亲和力。系统考察了萃取剂的种类和用量、涡旋时间及pH值等关键参数对亚甲基蓝萃取效果的影响。在最佳萃取条件(HDESs用量100μL,pH=8,涡旋时间90 s)下,平均加标回收率为89.83%~102.3%,相对标准偏差RSD≤7.58%。该方法在亚甲基蓝的实际水样分析中具有较高的准确性和实用性。展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.61535007 and 61320106015)the National Basic Research Program of China(Grant No.2013CB328802)
文摘A transflective polymer-stabilized blue-phase liquid crystal display（BP-LCD） with a non-uniform etching substrate is proposed.In-plane switching（IPS） electrodes on the bottom substrate are put on the different gaps,and the bottom substrate between the electrodes is etched into different depths in transmissive（T） and reflective（R） regions.This structure can balance the optical phase retardation in the two regions and is helpful to achieve well-matched voltag-dependent transmittance and reflectance curves.This transflective display has high optical efficiency,a wide viewing angle,and low operating voltage（approximately 6 V）.
文摘采用高密度疏水性低共熔溶剂(Hydrophobic Deep Eutectic Solvents,HDESs)为萃取剂,结合分光光度法,建立了一种涡旋辅助-液相微萃取技术,并成功应用于水中亚甲基蓝的快速测定。HDESs由薄荷醇(氢键受体)和对氯苯酚(氢键供体)按1:1的摩尔比合成,具有优异的疏水性、高密度特性和对亚甲基蓝的较高亲和力。系统考察了萃取剂的种类和用量、涡旋时间及pH值等关键参数对亚甲基蓝萃取效果的影响。在最佳萃取条件(HDESs用量100μL,pH=8,涡旋时间90 s)下,平均加标回收率为89.83%~102.3%,相对标准偏差RSD≤7.58%。该方法在亚甲基蓝的实际水样分析中具有较高的准确性和实用性。
