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Science China Press

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(a) Macrochirality phenomenon of 10e: image under natural light with black background (A1); image under UV light (365 nm) (B1); image under natural light after rotavapor evaporation (C1). fluorescence images of 16 under different physical conditions (A2, appearance under natural lights; B2, UV irradiation in natural background; C2, UV irradiation in dark background). Spiro textile-type of macro-chirality of 18e formed inside NMR tube (A3 and B3); luminescence of samples under UV light (365 nm): A4-A8 without UV irradiation, B4-B8 with UV irradiation. (b) Photoluminescence (PL) spectra of 10a, 13a, 16, 17, 18e,18f, 20b, 21b and 21f as solid test samples; excitation wavelength (λex): 532 nm.

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