SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Thomson Reuters Journal Citation Reports 2015
To calculate the five year Impact Factor, citations are counted in 2014 to the previous five years and divided by the source items published in the previous five years.
© Journal Citation Reports 2015, Published by Thomson Reuters
JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds.
All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor).
The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.
JPPA publishes Regular Articles, Invited Feature Articles, and Short Notes. Regular Articles allow for a complete overview of research results. Specialist researchers will be occasionally invited by Editors to write Invited Feature Articles. Alternatively, proposals for Invited Feature Articles may be submitted by e-mail to one of the Editors for consideration. Invited Feature Articles are intended to present an overview of the author's recent work in relation to other published research in the field, and are not intended to be a comprehensive overview of a particular sub-discipline. Short Notes are 2-page papers with relevant new results, data or technical reports that are important to the photochemistry community.
Papers that are only minor extensions of previous work or contain mainly descriptions of the synthesis of molecules or materials without a detailed photochemistry study will not be accepted for publication.
Prospective authors of review articles are kindly advised to consult the Journal of Photochemistry and Photobiology C: Photochemistry Reviews and follow manuscript preparation instructions as described at http://www.elsevier.com/locate/jphotochemrev.