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Preparation and Photoelectrochemical Performance of Potassium Hexatitanate Nanofilm
potassium hexatitanate film sol-gel process atomic force microscopy
2009/11/13
Nanostructured K2Ti6O13 film photoelectrode produced in situ was prepared on indium-tin oxide (ITO) glass substrate by a sol-gel process and characterized by thermogravimetry (TG) and differential sca...
Preparation and Potentiometric Study of Promethazine Hydrochloride Selective Electrodes and Their Use in Determining Some Drugs
Promathazine-HCl selective electrodes phosphotungstic acid promethazine determination
2008/10/30
Promethazine hydrochloride selective electrodes were constructed based on promethazine-phosphotun- gstic acid ion pair in PVC matrix membrane. The plasticizers used were di-butyl phosphate (DBP), tri-...
Preparation of 1,5-Diketones by Addition of Cyclohexanone to Chalcones under Solvent-free Phase Transfer Catalyst Condition
Chalcones 1,5-Diketones Solvent-free Phase Transfer Catalyst Michael Addition
2008/2/28
Eight different chalcone-1,5-diketone derivatives (5a-h) were prepared by the reaction of chalcone derivatives (3a-h) with cyclohexanone under the solvent-free phase transfer catalyst condition with m...
二氧化硅栅绝缘层的制备与表面修饰（Preparation and Surface modification of SiO2 Gate Insulator for Organic Thin Film Transistors）
二氧化硅 绝缘层 OTS 修饰
2007/12/24
研究了有机薄膜晶体管的二氧化硅栅绝缘层的性质。二氧化硅绝缘层的制备采用热生长法，氧化气氛是O2(g)+H2O(g)，工艺为干氧-湿氧-干氧的氧化过程。制得的绝缘层漏电流在10-9 A左右。以该二氧化硅作为有机薄膜晶体管的栅绝缘层，并五苯作为有源层制作了有机薄膜晶体管器件。实验表明采用十八烷基三氯硅烷(OTS)进行表面修饰的器件具有OTS/SiO2双绝缘层结构，可以有效地降低SiO2栅绝缘层的表面能...
酞菁键合硅胶的制备及分离取代酞菁异构体（Preparation of Phthalocyanine Bonded Silica Gel for the Separation of Phthalocyanine Isomers）
酞菁键合硅胶 制备 分离 异构体
2007/11/18
制备和表征了一种新的酞菁键合硅胶，三-β-(辛巯基)-β-(磺酰胺基)-酞菁铜键合硅胶。研究了该键合酞菁硅胶作为HPLC固定相的基本色谱性能。实验结果表明，该固定相可以分离四-α-(2，2，4-三甲基-3-戊氧基)酞菁(铜、镍)的4种异构体，也可以观察到四-α-(2，2，4-三甲基-3-戊氧基)无金属酞菁的4种异构体，而商业C18(VERTEX Eurospher)却只能观察到两组峰，表明这种酞菁...
硅表面含二茂铁基团自组装单分子膜制备及电流-电压关系测量（Ferrocenyl Self-assembled Monolayer on Silicon Surfaces: Preparation and Current-Voltage Measurement）
硅 单分子膜 二茂铁 电子传递
2007/9/1
合成了一种头基为二茂铁基团的长链烯烃分子(Fc-CO-NH-(CH2)9-CH=CH2) (FcUA)，并用红外、核磁、质谱等手段对其进行了表征。用微波引发将该化合物嫁接到平面硅的表面，并用X射线光电子能谱、反射红外光谱、原子力显微镜表征了这一过程。最后，通过循环伏安电化学法和电敏感原子力显微镜的导电模式对其进行电学性质测试。结果表明这层单分子膜可以提高硅片的介电常数。同时还观察到了一种不稳定的类...
化学浴沉积法制备高取向钒酸铋薄膜（Preparation of Oriented BiVO4 Thin Film by Chemical Bath Depositio)
钒酸铋(BiVO4)薄膜 化学浴沉积 择优取向
2007/7/18
Highly oriented BiVO4 films were synthesized on glass substrates by modified chemical bath deposition (CBD). The influence of the deposition parameters as temperature and time of deposition on the rat...
四针状氧化锌晶须的制备及其吸波性能的研究（Tetrapod-shaped ZnO Whiskers: Preparation and Microwave Absorption Behaviors）
氧化锌 吸波材料 四针状晶须
2007/7/18
A new ZnO microwave absorbing material was prepared by the vapor phase oxidation of zinc powder at the presence of cylinder active carbon. The ZnO crystal with three dimensional tetrapod-shaped whiske...
顺铂温敏载药粒子的制备表征（Preparation and Characterization of Cisplatin-loaded Thermosensitive Micelle）
温敏 顺铂 靶向治疗
2007/7/2
制备了顺铂温敏载药纳米粒子，表征其相关性质并考察不同温度下对体外肿瘤细胞的生长抑制作用。制备的两亲嵌段聚合物在水溶液中自发形成胶束结构并包裹顺铂，测定顺铂载药粒子的结构、形态、粒径及包封率、载药量、晶体状态等特性，并对顺铂的体外释放以及不同细胞系体外毒性也做了研究。载药粒子粒径为83.3 ± 4.3 nm，载药量为37.8%，包封率为77.8%。血清中相变温度39.3 ℃。载药颗粒在单纯化疗时细胞...
疏水介孔二氧化硅膜的制备与表征（Preparation and Characterizaion of Hydrophobic Mesoporous Silica Membranes）
介孔氧化硅薄膜 孔结构 疏水性
2007/6/18
用甲基三乙氧基硅烷(MTES)代替部分正硅酸乙酯(TEOS)作为前驱体，以聚乙烯醚-聚丙烯醚-聚乙烯醚三嵌段共聚物(P123)作有机模板剂，通过共水解缩聚反应制备了甲基修饰的介孔SiO2膜。利用N2吸附、FTIR、29Si MAS NMR以及接触角测量仪对膜的孔结构和疏水性进行了表征。结果表明，修饰后的膜材料具有良好的介孔结构，最可几孔径为4.65 nm，孔体积为0.69 cm3·g-1，比表面积...
铁、氮共掺杂二氧化钛粉末的制备及光催化活性（Preparation and Photocatalytic Activity of TiO2 Powder Codoped with Iron and Nitrogen）
二氧化钛 铁 氮共掺杂 亚甲基蓝 光催化
2007/4/18
Using TiCl4 as the titanium source, nanoparticles of TiO2 doped with nitrogen(N-TiO2) were synthesized by triethylamine. TiO2 powder codoped with iron and nitrogen(Fe/N-TiO2) were prepared by adsorpti...
溶胶浸渍模板法制备有序多孔氧化钛、氧化锌薄膜（Preparation of Ordered Porous TiO2 and ZnO Thin Films by Sol-dipping Template Method）
有序多孔薄膜 模板 氧化钛 氧化锌
2007/3/18
采用溶胶浸渍模板法制备了有序多孔的氧化钛(TiO2)和氧化锌(ZnO)薄膜。首先，在洁净的玻璃基片上通过浸渍-提拉工艺组装有序的聚苯乙烯微球(PS)阵列模板；然后再采用溶胶浸渍法将TiO2和ZnO溶胶灌充到PS模板微球的间隙内；最后通过煅烧去除PS而得多孔薄膜。采用SEM观察了薄膜的表面形貌，并用XRD对薄膜的性能进行了表征。结果表明，溶胶的浓度对薄膜形貌有着显著的影响。经煅烧后，TiO2和ZnO...
磷酸铵与多聚磷酸铵插层可膨胀石墨的制备（Preparation of Expandable Graphite Intercalated by Ammonium Phosphate and Ammonium Polyphosphate）
石墨 可膨胀石墨 磷酸铵 多聚磷酸铵
2007/2/18
Expandable graphite intercalated by ammonium phosphate (AP) or ammonium polyphosphate (APP) was prepared by direct intercalation and two-step method, respectively. The products from two-step method sh...
复盐法制备无水氯化镁的热解机理及动力学研究（Mechanisms and Kinetics for Preparation of Anhydrous Magnesium Chloride by Complex Thermal Decomposition Method）
苯胺盐酸盐 水氯镁石 热解机理 动力学 无水氯化镁
2007/1/18
The complex compound (MgCl2·C6H5NH2·HCl·6H2O) was prepared by reaction of C6H5NH2·HCl with MgCl2·6H2O. Reaction mechanism and kinetics of the compounds decomposition were studied by means of the TG-DT...
高分散度Pt-Ir疏水催化剂制备及氢-水液相交换催化性能研究（Highly Dispersed Pt-Ir Hydrophobic Catalysts: Preparation and Catalytic Activity for Hydrogen-water Liquid Exchange Reaction）
疏水催化剂 氢-水液相催化交换 氢同位素分离 微波加热法 Pt-Ir/C
2007/1/18
用乙二醇作为碳黑分散溶剂，微波辐射快速加热，1～2 MPa压力下制备了Pt/C及不同Pt、Ir比例的Pt-Ir/C催化剂，用浸渍还原法制备了Pt-Ir/C催化剂，并用XRD，TEM和XPS对催化剂进行了表征。将两种方法制备的Pt/C，Pt-Ir/C催化剂与聚四氟乙烯(PTFE)一起负载于多孔金属载体，得到疏水催化剂，考查了其对氢-水液相交换反应的催化活性。微波辐射加热法制备的Pt/C和Pt-Ir...