  Methylammonium lead trihalide perovskite solar cells (CH3NH3PbY3, where Y =
I(3-x)Brx=1-3, I(3-x)Clx=1-3, Br(3-x)Cl x=1-3, and IBrCl) are photonic
semiconductors. Researches on various fundamental and technological aspects of
these materials are extensively on-going to make them stable environmentally
and for commercialization. Research studies addressing these materials as
organometallic are massively and repeatedly appearing in very reputable, highly
cited and high impact peer-reviewed research publications, including, for
example, Energy and Environmental Science, Nature Chemistry, Nature
Communication, Advanced Materials, Science, ACS Nano, and many other chemistry
and materials based journals of the Wiley, Elsevier, Springer and Macmillan
Publishers, and the Royal and American Society Sciences. Herein, we candidly
addresses the question: whether should scientists in the perovskite and
nanomaterials science communities refer CH3NH3PbY3 and their mixed halogen
derivatives as organometallic?
