X-ray photoelectron spectroscopy (XPS) is one of the best tools for studying the chemical
modification of surfaces, and in particular the distribution and bonding of heteroatom …

This review provides a comprehensive overview about the fascinating history and chemistry
of s-heptazines in its ionic, molecular and polymeric forms–their synthesis, structure …

X-ray photoelectron spectroscopy (XPS) is among the most utilized analytical methods for
nitrogen-doped carbon materials. Clarifying the assignments of nitrogen-doped carbon …

DOI: 10.1002/adma. 201602028 inherent challenges described above. Here, we
experimentally show that engineered defects in graphene can alleviate these bottlenecks …

We present systematical Raman studies of nitrogen doped graphene (NG). Defective
graphene by Ar+ ion bombardment was also studied for comparison. It was found that the …

pH sensing using active nanomaterials is promising in many fields ranging from chemical
reactions to biochemistry, biomedicine, and environmental safety especially in the …

X-ray photoelectron spectroscopy (XPS) has been commonly used to determine the nitrogen-
containing functional groups of graphene. However, reported assignments of C1s shifts of …

Negative photoconductance (NPC) detectors have attracted continuous attention for
constructing advanced and novel optoelectronic devices, including reconfigurable image …

Here we report a liquid-phase, bottom-up synthesis of photoluminescent colloidal nitrogen-
doped graphene quantum dots (NGQDs) under ambient conditions using atmospheric …

Few layer graphene is a promising cathode material for aluminum-ion batteries that use
chloroaluminate (AlCl 4-) ionic liquids as the electrolyte. A fundamental understanding of …