A supported Ni-B/TiO2 amorphous catalyst was prepared by impregnation and reduction. It was characterized by XRD, SAED, DSC, XPS, etc.. The catalytic activity of catalyst was measured through the hydrogenation of he...A supported Ni-B/TiO2 amorphous catalyst was prepared by impregnation and reduction. It was characterized by XRD, SAED, DSC, XPS, etc.. The catalytic activity of catalyst was measured through the hydrogenation of heavy arenes in petrochemicals for the first time.展开更多
采用水热法制备硼硫(B/S)共掺杂纳米二氧化钛(B-S-TiO_2),并配制成浆料,利用丝网印刷技术在FTO导电玻璃上制备B-S-TiO_2薄膜;用化学浴沉积(CBD)法制备了CdS量子点敏化B-S-TiO_2薄膜电极,并用X射线衍射(XRD)、电子显微镜(TEM)、元素分析...采用水热法制备硼硫(B/S)共掺杂纳米二氧化钛(B-S-TiO_2),并配制成浆料,利用丝网印刷技术在FTO导电玻璃上制备B-S-TiO_2薄膜;用化学浴沉积(CBD)法制备了CdS量子点敏化B-S-TiO_2薄膜电极,并用X射线衍射(XRD)、电子显微镜(TEM)、元素分析能谱(EDS)和紫外–可见光谱对其进行表征分析;结果显示:B/S共掺杂不会改变TiO_2的晶型,掺杂后的TiO_2吸收边带发生明显红移,吸收强度显著增强;同样用化学浴沉积的方法制备Ni S工作电极,用改性的聚硫化物((CH3)4N)2S/((CH3)4N)2Sn)电解液,组装CdS量子点敏化硼硫(B/S)共掺杂纳米二氧化钛(B-S-TiO_2)太阳能电池,并测试电池光电性能。测试结果表明,在AM1.5G的照射下,电池的能量转化效率(η)由3.21%增大到3.69%,提高了14.9%,电池获得高达(Voc)1.218 V的开路电压和3.42 m A/cm2的短路光电流(Jsc),以及高达88.7%的填充因子(ff)。展开更多
基金the NNSFC, RFDP, NSFTC and NNSFCTJ for the financial support (20003006, 2000005520, 99380171 and 031606211).
文摘A supported Ni-B/TiO2 amorphous catalyst was prepared by impregnation and reduction. It was characterized by XRD, SAED, DSC, XPS, etc.. The catalytic activity of catalyst was measured through the hydrogenation of heavy arenes in petrochemicals for the first time.
文摘采用水热法制备硼硫(B/S)共掺杂纳米二氧化钛(B-S-TiO_2),并配制成浆料,利用丝网印刷技术在FTO导电玻璃上制备B-S-TiO_2薄膜;用化学浴沉积(CBD)法制备了CdS量子点敏化B-S-TiO_2薄膜电极,并用X射线衍射(XRD)、电子显微镜(TEM)、元素分析能谱(EDS)和紫外–可见光谱对其进行表征分析;结果显示:B/S共掺杂不会改变TiO_2的晶型,掺杂后的TiO_2吸收边带发生明显红移,吸收强度显著增强;同样用化学浴沉积的方法制备Ni S工作电极,用改性的聚硫化物((CH3)4N)2S/((CH3)4N)2Sn)电解液,组装CdS量子点敏化硼硫(B/S)共掺杂纳米二氧化钛(B-S-TiO_2)太阳能电池,并测试电池光电性能。测试结果表明,在AM1.5G的照射下,电池的能量转化效率(η)由3.21%增大到3.69%,提高了14.9%,电池获得高达(Voc)1.218 V的开路电压和3.42 m A/cm2的短路光电流(Jsc),以及高达88.7%的填充因子(ff)。
