金属-石墨相氮化碳纳米管异质结的光催化研究进展

异质结构是一系列含有不同组分材料形成的单一结构的纳米复合材料。金属-石墨相氮化碳纳米管异质结材料由于具有金属和氮化碳纳米管组合的独特结构、良好的抗光腐蚀性能、较高的可见光利用率、更多的活性位点和较低的还原反应电位等特点被广泛关注。此外，异质结本身特有的结构和光学性能极大提高和拓展了其在光催化领域的潜在应用。该文介绍了金属材料的性质、金属-氮化碳纳米管异质结的制备方法和结构调控以及该复合材料近期在光催化应用中的进展。阐述了金属-石墨相氮化碳纳米管异质结材料的性质、制备方法以及该材料在光催化领域中的应用，提出了金属-石墨相氮化碳纳米管异质结材料目前的局限性和未来的发展趋势。     

铁基石墨相氮化碳复合材料在水处理中的研究进展

铁基石墨相氮化碳复合材料结合了铁基材料、石墨相氮化碳（g-C3N4）以及异质结结构的优点,在促进复合材料光生电子-空穴的分离、扩大可见光响应能力、提高材料光催化性能等方面有着显著的优势。综述了铁基石墨相氮化碳异质结体系的基本分类、结构特点及其研究进展,包括Ⅱ型异质结体系（n-n结、p-n结）、Z型异质结体系（全固态Z结...     

氮化碳对有机废水的光芬顿氧化研究进展

石墨相氮化碳作为一种非金属半导体材料,在光催化领域得到一定的应用,最近在类芬顿氧化处理有机废水也有了一些研究,但是其催化性能仍然需要进一步改善。由于光催化和类芬顿氧化的协同作用,光芬顿具有更强的处理有机废水能力。本文综述石墨相氮化碳在光芬顿氧化处理有机废水研究进展,分别就金属离子掺杂氮化碳、氮化碳与单金属氧化物生成的异质结以及氮化碳与双金属氧化物生成的异质结做了相应的介绍。     

多酸基石墨相氮化碳纳米材料的制备方法研究进展

多金属氧酸盐(POMs)是一种结构可调且催化性能优异的均相催化材料,其在溶剂中的溶解性限制了它的应用。石墨相氮化碳(g-C_3N_4)是一种聚合物半导体材料,具有廉价、无金属元素、能带结构可调等优点。将POMs固载于g-C_3N_4上构筑多酸基石墨相氮化碳(POMs/g-C_3N_4)异相催化剂,不仅能够解决POMs不能重复使用的限制,同时也能调变g-C_3N_4的能带,扩展其应用范围。本论文综述了多酸基石墨相氮化碳纳米材料常见的制备方法。     

多元复合石墨相氮化碳/磷酸银光催化性能研究进展

石墨相氮化碳/磷酸银材料是一种很好的可见光光催化剂,但仍存在一些挑战和问题,限制了其实际应用能力。本文梳理总结了国内外利用银纳米粒子、碳材料、二维层状过渡金属硫化物、支撑材料、磁性Fe_3O_4、其他材料等对石墨相氮化碳/磷酸银复合改性的研究进展,介绍了其制备方法、应用、光催化增强机理等。本综述可以对后期石墨相氮化碳/磷酸银光催化剂的改性研究提供参考。     

金属酞菁修饰碳纳米管复合材料的应用进展

碳纳米管以其良好的导电导热性能、超强的机械性能和高的稳定性,在现代新材料领域备受青睐。而且,碳纳米管独特的中空结构非常有利于染料敏化剂的吸附,可以为其提供良好的载体。就近期金属酞菁修饰碳纳米管复合材料的制备方法及其应用做一小结。     

金属酞菁修饰碳纳米管复合材料的应用进展

碳纳米管以其良好的导电导热性能、超强的机械性能和高的稳定性,在现代新材料领域备受青睐。而且,碳纳米管独特的中空结构非常有利于染料敏化剂的吸附,可以为其提供良好的载体。就近期金属酞菁修饰碳纳米管复合材料的制备方法及其应用做一小结。     

Bi2WO6复合g-C3N4的制备及其光催化降解甲苯的研究

通过高温热解三聚氰胺制备石墨相氮化碳,再利用水热法合成不同Bi_2WO_6含量的Bi_2WO_6-CN复合材料体系并进行了光催化降解实验,利用一系列表征方法对其结构表征。对Bi_2WO_6的复合量、催化剂投放量以及光照强度等对光催化性能的影响因素进行了考察。结果表明,Bi_2WO_6与g-C_3N_4成功复合到了一起,形成异质结,且明显提高了光催化性能。在Bi_2WO_6的复合量、催化剂投放量以及光照强度分别为60%、100mg和光距15cm的条件下,制备的改性石墨相氮化碳对甲苯的光催化降解率可达72%。     

聚合物/碳系填料发泡复合材料电磁屏蔽性能的研究进展

综述了聚合物/碳系填料发泡复合材料在电磁屏蔽领域应用的研究进展，重点讨论了各种碳系填料（石墨烯、碳纳米管、碳纤维）以及多组分碳系填料对发泡复合材料电磁屏蔽性能的影响及相关电磁屏蔽原理。结果表明，碳系填料的功能化、泡孔结构的调控、材料多层次结构的设计、制备工艺的优化等是改善聚合物/碳系填料发泡复合材料电磁屏蔽性能的有效途径。     

聚氨酯／碳纳米管复合材料的研究进展

近年来,利用碳纳米管制备聚氨酯复合材料引起人们的高度重视。本文对聚氨酯/碳纳米管复合材料的研究进展状况进行综述。概述了聚氨酯和碳纳米管的性质以及碳纳米管的改性处理方法;介绍了聚氨酯/碳纳米管复合材料的制备方法,包括物理共混法和原位聚合法;讨论了碳纳米管对复合材料力学性能、电学性能、光学性能以及其他性能的影响。结果表明,碳纳米管的加入使得复合材料在上述性能方面都有不同程度的改善。最后探讨了该研究领域存在的问题及今后可能的发展方向。     

Strong,conductive carbon nanotube fibers as efficient hole collectors

We present the photovoltaic properties of heterojunctions made from single-walled carbon nanotube (SWNT) fibers and n-type silicon wafers. The use of the opaque SWNT fiber allows photo-generated holes to transport along the axis direction of the fiber. The heterojunction solar cells show conversion efficiencies of up to 3.1% (actual) and 10.6% (nominal) at AM1.5 condition. In addition, the use of strong, environmentally benign carbon nanotube fibers provides excellent structural stability of the photovoltaic devices.     

Mini Review on the Structure and Properties (Photocatalysis), and Preparation Techniques of Graphitic Carbon Nitride Nano-Based Particle,and Its Applications

Graphite carbon nitride (g-C₃N₄) is well known as one of the most promising materials for photocatalytic activities, such as CO₂ reduction and water splitting, and environmental remediation through the removal of organic pollutants. On the other hand, carbon nitride also pose outstanding properties and extensive application forecasts in the aspect of field emission properties. In this mini review, the novel structure, synthesis and preparation techniques of full-bodied g-C₃N₄-based composite and films were revealed. This mini review discussed contemporary advancement in the structure, synthesis, and diverse methods used for preparing g-C₃N₄ nanostructured materials. The present study gives an account of full knowledge of the use of the exceptional structural and properties, and the preparation techniques of graphite carbon nitride (g-C₃N₄) and its applications.     

Trends in Conducting Polymer and Hybrids of Conducting Polymer/Carbon Nanotube: A Review

Several conducting polymers, including polyaniline, polypyrrole, polythiophene, polyvinylpyrrolidone, poly(3,4-ethylenedioxythiophene), poly(m-phenylenediamine), polynaphthylamine, poly(p-phenylene sulfide), and their carbon nanotube reinforced nanocomposites are discussed in this review. The physical, electrical, structural and thermal properties of polymers along with synthesis methods are discussed. A concise note on carbon nanotubes regarding their purification, functionalization, properties and production are reported. Moreover, the article focuses upon synthesis methods, properties and applications of conducting polymer/carbon nanotube nanocomposites are focused. Nanotube dispersion, loading concentration and alignment within conducting polymer/carbon nanotube nanocomposite affect their performance and morphology. The conducting polymer/carbon nanotube nanocomposites are substantially used in sensors, energy storage devices, supercapacitors, solar cells, EMI materials, diodes, and coatings.     

新型非金属光催化剂——石墨型氮化碳的研究进展

石墨型氮化碳（g-C3N4）聚合物是一种具有合适禁带宽度（2.7eV）的新型非金属有机半导体光催化剂,它具有良好的热稳定性和化学稳定性。本文介绍了石墨型氮化碳的结构、理化性质和合成方法,重点阐述了进一步提高石墨型氮化碳光催化活性的方法,包括形貌调控、掺杂改性、共聚合改性和硫介质调控。并论述了石墨型氮化碳在可见光下催化分解水和降解有机污染物方面的应用现状。最后指出进一步探索和优化石墨型氮化碳的合成及改性方法,提高其光催化性能依然是g-C3N4在光催化领域应用的研究重点。     

石墨烯及其复合材料的制备研究进展

石墨烯具有独特的物理化学性质,在很多领域都表现出良好的应用前景,得到了日益广泛的关注和研究。本文对石墨烯及其复合材料的制备方法进行了综述,并以石墨烯/量子复合材料、石墨烯/碳纳米管复合材料、石墨烯/Pd复合材料及石墨烯/聚醚砜导电复合材料的制备为例进行具体阐述。     

Carbon nanomaterial–ionic liquid hybrids

Carbon nanomaterial–ionic liquid hybrids represent a very interesting class of materials because of their exceptional properties and potential use in a wide range of application fields. Their unique properties, arising from the synergistic combination of both components, can be exploited as elements of electrochemical and energy storage devices, as supports for catalysis and as nanofillers for polymeric composites. Owing to the specific interactions between ionic liquids (ILs) and carbon nanomaterials, the surface properties of the nanomaterials can be modified, leading to their improved dispersion in various media, thus providing an alternative solution to the most fundamental problem in processing of these materials. Since the discovery of bucky gel, the synthesis and processing methods of carbon nanotube–ionic liquid (CNT–IL) hybrids have been extensively studied. This review is aimed at giving an overview of the main synthetic routes and potential applications of CNT–IL hybrids. Graphene has lately emerged as a promising material, and received world-wide attention due to its exceptional properties. The synthesis of graphene-IL hybrids and the role of IL in the exfoliation process of graphene sheets are also discussed along with the potential applications of these new materials.     

Effectiveness of Polystyrene/Carbon Nanotube Composite in Electromagnetic Interference Shielding Materials: A Review

Polystyrene is an efficient thermoplastic having fine processability, chemical inertness, and mechanical performance. Technological advances have led to several industrial appliances of polystyrene-based materials ranging from insulation to electromagnetic interference shielding. In this state-of-the-art review, primarily structure and properties of carbon nanotube and polymer/carbon nanotube composite have been discussed. Carbon nanotube is considered as a brilliant filler for polymers. Therefore, a comprehensive discussion regarding high-performance polystyrene/carbon nanotube composite is presented. Main focus of review is the significance of electromagnetic interference shielding phenomenon in polystyrene/carbon nanotube composite. Owing to advantageous properties, these composite have potential to replace traditional shielding materials.     

卤氧化铋光催化剂的研究进展

卤氧化铋BiOX（X=Cl,Br,I）因其独特的层状结构和适合的禁带宽度,在可见光下表现出很好的光催化活性,成为近年来新型光催化剂的研究热点之一。本文概述了国内外对卤氧化铋光催化剂的研究动态和发展成果,从结构角度总结了BiOX材料的制备和设计。卤氧化铋材料的结构维度直接关系到它的比表面积、吸光能力、吸附性能和载流子迁移速率,从而影响其性能和作用。通过掺杂、负载、构建异质结等改性方法,提高了卤氧化铋的光催化性能,并简单叙述了卤氧化铋光催化剂的固定化。最后指出通过制备方法、能带结构及催化机理的深入研究,实现催化剂制备-结构-性能的可调控化,以拓展其应用领域是卤氧化铋光催化剂未来的研究 方向。     

Perspectives of Polystyrene Composite with Fullerene,Carbon Black,Graphene, and Carbon Nanotube: A Review

The use of polystyrene-based materials has become very important due to a wide range of industrial applications. Different types of nanofillers such as fullerene, carbon black, graphite, graphene, and carbon nanotube have been used with polystyrene to attain high-performance materials. Fabrication and unique properties of composites are considered here. Use of fullerene to improve thermal stability of polystyrene/fullerene composite has been explored. Polystyrene /carbon black composite have found to improve thermal, electrical, and rheological properties. Polystyrene/graphite nanosheet composite have been used in different applications due to mechanical and electrical properties. Polystyrene/carbon nanotube composite have been studied for enhanced tribological properties.     

碳纳米管阵列在电化学中的应用

高定向的碳纳米管阵列由于有优越的电导率、高比表面积、发达的多孔结构而具有良好的电化学性能如大容量、优异的速率性能和较长的循环寿命,这些独特的性质使其在电化学领域显现出巨大的应用潜力。本文简要介绍了碳纳米管阵列的制备,并从电化学储能、电化学催化和电化学传感器等领域综述近年来碳纳米管阵列在电化学应用中的最新研究进展,分析了其所面临的问题,并提出了未来碳纳米管阵列在电化学应用中的发展方向。关键词：碳纳米管阵列；电化学性能；储能；催化；传感器中图分类号：