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This is a final reminder of the deadline (3/12/2018) for abstract submission for the symposium on excitons in the Boston ACS National Meeting during 8/19-23. 256th ACS National Meeting (Boston, 8/19-23, 2018), Call for Papers (Division of Physical Chemistry) https://callforpapers.acs.org/boston2018/PHYS Title: Characterization, Detection, and Application of Excitons in Chemistry An exciton is a fundamentally quantum mechanical object created when a photon is absorbed by an aggregate of chromophores. This aggregate can take the form of a molecular assembly, an inorganic semiconductor, or a group of pigments embedded in other environments. Excitons serve as the active players in diverse optoelectronic processes like solar light harvesting, optical imaging, lasing, and sensing. Despite a long history of research dating back to the early days of quantum mechanics, the classification and quantitative description of excitons have remained difficult challenges in physical chemistry. This is particularly true in the intermediate regime between the well-known limits of Frenkel and Wannier excitons. The study of excitons has gained a new urgency due to the development of new solar energy materials (e.g. perovskites) and the observation of new phenomena like multiple exciton generation and exciton fission, motivating recent advances in computational modeling and spectroscopic detection of the spatio-temporal dynamics of excitons. The present symposium will bring together a diverse group of theoretical and experimental researchers working on the characterization, detection, and application of excitons in organic, inorganic, and biological materials. The objective is to facilitate discussion among these different groups, to develop consensus on how to measure and classify excitonic phenomena, and to identify new and promising directions of future research. Seogjoo J. Jang, City University of New York – Queens College, [log in to unmask]<mailto:[log in to unmask]> Christopher J. Bardeen, University of California, Riverside, [log in to unmask]<mailto:[log in to unmask]> To join or leave the molecular-dynamics-news email list, go to: http://www.jiscmail.ac.uk/lists/molecular-dynamics-news.html