Metal halide perovskites have emerged as novel and promising photocatalysts for hydrogen generation.Currently,their stability in water is a vital and urgent res
为了避免以往用酸碱刻蚀模板法制备空心二氧化硅纳米颗粒带来的安全和环保问题,提出一种高效绿色合成方法。以聚苯乙烯为模板,先将SiO2沉积在模板上,再通过煅烧去除PS模板,制备了空心二氧化硅纳米颗粒,并通过扫描电镜、透射电镜、X射线能谱分析仪、傅里叶变换红外光谱仪、X射线衍射仪、热重分析仪和物理吸附仪等对其结构进行表征。结果表明:所制备的空心二氧化硅纳米颗粒具有明显的空心结构,颗粒直径约为120 nm;组成元素为Si和O;在20~780℃环境下,空心二氧化硅纳米颗粒都具有优异的热稳定性;
Pillaring technologies have been considered as an effective way to improve lithium storage performance of Ti3C2Tx MXene.Nevertheless,the pillared hybrids suffer
Two-dimensional (2D) materials hold great promise for applications in optoelectronics,quantum information science,and energy conversion due to their remarkable
As a promising graphene analogue,two-dimensional (2D) polymer nanosheets with unique 2D features,diversified topological structures and as well as tunable elect
The application of polymers to replace oleylamine (OLA) and oleic acid (CA) as ligands for perovskite nanocrystals is an effective strategy to improve their sta
Lead telluride (PbTe) is one of the reliable candidates for infrared (IR) optoelectronics with optimum band-gap as well as excellent photoelectric properties.Gr
The development of magnetic two-dimensional (2D) materials in its infancy has generated an enormous amount of attention as it offers an ideal platform for the e
制备了NH2-UiO66和电化学还原氧化石墨烯(rGO)的混合材料NH2-UiO66/rGO,并将其成功地用于电化学同时检测镉离子(Cd2+)和铅离子(Pb2+).通过采用扫描电子显微镜(SEM)、X射线衍
Numerous reports have elucidated the importanca of mechanical resonators oomprising quantum-dot-embedded carbon nanotubes(CNTs) for studying the effects of sing