K. Kamali1, K. A. Irshad2, Muthukumaran Sundaramoorthy2, B. Joseph2, D.P. Das1, M. Sundaramoorthy2 1 Mineralogy and Materials Characterisation Department, CSIR-Institute of Minerals and Materials Technology, Odisha, India 2 Elettra - Sincrotrone Trieste S.C. p. A., Trieste, Italy e-mail: kamalikesavan@immt.res.in Acknowledgments We acknowledge the Department of Science and Technology, Government of India for financial support to carry out the synchrotron-based experiments and SERS measurements. Original paper K. Kamali et al., Nanoscale, 17, 14874 (2025); DOI: 10.1039/D5NR00831J. Fig. 1 Figure 1. Pressure-dependent SERS spectra of ZIF-67/R6G system in compression (a) and decompression (b) cycles. Variation of the Raman intensity of 612 cm-1 peak for the ZIF-67/R6G system with pressure during compression and decompression (c). HP-XRPD patterns of ZIF-67/R6G system in compression and decompression cycles. Arrows indicate the appearance of new peaks (d). Variation of unit-cell volume of cubic phase (I4-3m) with pressure. The solid red line above 0.2 GPa is the second order Birch-Murnaghan equation of state fit to the data (within the range 0.15 to 0.6 GPa) providing the bulk modulus to be 9.1(3) GPa (e). PL spectra of ZIF-67/R6G system as a function of pressure along the compression and decompression at few selected pressures (f). (All the figures are reproduced from Nanoscale,17, 14874 (2025); DOI: 10.1039/D5NR00831J.with permission from the Royal Society of Chemistry.) (a) (b) (c) (d) (e) (f) Surfaces and Interfaces Elettra Highlights 2024–2025 135
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