[1] Segura-Carretero A,Cruces Blanco C,Fernández Gutiérrez A.Heavy atom induced room temperature phosphorescence method for the determination of the plant growth regulator β-naphthoxyacetic acid[J].Journal of Agricultural and Food Chemistry,1998,46(9):3683-3686.
[2] Bolton O,Lee K,Kim J,et al.Activating efficient phosphorescence from purely organic materials by crystal design[J].Nature Chemistry,2011,3(3):205.
[3] Jo S G,Park D H,Kim J,et al.Dual-mode waveguiding of Raman and luminescence signals in a crystalline organic microplate[J].Journal of Materials Chemistry C,2014,2(30):6077-6083.
[4] Climent C,Alemany P,Kim J,et al.Optical properties of 4-bromobenzaldehyde derivatives in chloroform solution[J].The Journal of Physical Chemistry A,2014,118(34):6914-6921.
[5] Bolton O,Lee D,Kim J,et al.Tuning the photophysical properties of metal-free room temperature organic phosphors via compositional variations in bromobenzaldehyde/dibromobenzene mixed crystals[J].Chemistry of Materials,2014,26(22):6644-6649.
[6] Lee D,Jung J,Kim J,et al.A novel optical ozone sensor based on purely organic phosphor[J].ACS Applied Materials & Interfaces,2015,7(5):2993-2997.
[7] Kwon M S,Jordahl J H,Kim J,et al.Multi-luminescent switching of metal-free organic phosphors for luminometric detection of organic solvents[J].Chemical Science,2016,7(3):2359-2363.
[8] Wang J,Gu X,Tang B Z,et al.Ionization and anion-π+interaction:a new strategy for structural design of aggregation-induced emission luminogens[J].Journal of the American Chemical Society,2017,139(46):16974-16979.
[9] Wang J,Gu X,Tang B Z,et al.A facile strategy for realizing room temperature phosphorescence and single molecule white light emission[J].Nature Communications,2018,9(1):2963.
[10] Yuan W Z,Shen X Y,Tang B Z,et al.Crystallization-induced phosphorescence of pure organic luminogens at room temperature[J].The Journal of Physical Chemistry C,2010,114(13):6090-6099.
[11] Gong Y,Tan Y,Tang B Z,et al.Crystallization-induced phosphorescence of benzils at room temperature[J].Science China Chemistry,2013,56(9):1183-1186.
[12] Gong Y,Zhao L,Peng Q,et al.Crystallization-induced dual emission from metal-and heavy atom-free aromatic acids and esters[J].Chemical Science,2015,6(8):4438-4444.
[13] Gong Y,Chen G,Tang B Z,et al.Achieving persistent room temperature phosphorescence and remarkable mechanochromism from pure organic luminogens[J].Advanced Materials,2015,27(40):6195-6201.
[14] Li C,Tang X,Tang B Z,et al.Reversible luminescence switching of an organic solid:controllable on-off persistent room temperature phosphorescence and stimulated multiple fluorescence conversion[J].Advanced Optical Materials,2015,3(9):1184-1190.
[15] Yang J,Gao H,Tang B Z,et al.The odd-even effect of alkyl chain in organic room temperature phosphorescence luminogens and the corresponding in vivo imaging[J].Materials Chemistry Frontiers,2019,3(7),DOI:10.1039/C9QM00108E.
[16] He Z,Zhao W,Lam J W,et al.White light emission from a single organic molecule with dual phosphorescence at room temperature[J].Nature Communications,2017,8(1):416.
[17] Mao Z,Yang Z,Chi Z,et al.Linearly tunable emission colors obtained from a fluorescent-phosphorescent dual-emission compound by mechanical stimuli[J].Angewandte Chemie International Edition,2015,54(21):6270-6273.
[18] Yang Z,Mao Z,Chi Z,et al.Intermolecular electronic coupling of organic units for efficient persistent room-temperature phosphorescence[J].Angewandte Chemie International Edition,2016,55(6):2181-2185.
[19] Chen J,Rahman N U,Chi Z,et al.Achieving persistent and efficient organic room-temperature phosphorescence with temperature-response by adjusting the proportion of excited-state configurations in coupled molecules[J].Journal of Materials Chemistry C,2019,7:8250-8254.
[20] Xie Y,Ge Y,Li Z,et al.How the molecular packing affects the room temperature phosphorescence in pure organic compounds:ingenious molecular design,detailed crystal analysis,and rational theoretical calculations[J].Advanced Materials,2017,29(17):1606829.
[21] Yang J,Zhen X,Li Z,et al.The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens[J].Nature Communications,2018,9(1):840.
[22] Fang M M,Yang J,Li Z.Recent advances in purely organic room temperature phosphorescence polymer[J].Chinese Journal of Polymer Science,2019,37(4):383-393.
[23] Wei Y S,Jin W J,Zhu R H,et al.Investigation of heavy atom effect of halide alkanes in β-cyclodextrin induced room temperature phosphorimetry[J].Spectrochimica Acta Part A:Molecular and Biomolecular Spectroscopy,1996,52(6):683-690.
[24] Li D,Lu F,Ma X,et al.Amorphous metal-free room-temperature phosphorescent small molecules with multicolor photoluminescence via a host-guest and dual-emission strategy[J].Journal of the American Chemical Society,2018,140(5):1916-1923.
[25] Desiraju G R,Ho P S,Kloo L,et al.Definition of the halogen bond (IUPAC Recommendations 2013)[J].Pure and Applied Chemistry,2013,85(8):1711-1713.
[26] Wang H,Wang W,Jin W J.σ-Hole bond vs π-hole bond:a comparison based on halogen bond[J].Chem Rev,2016,116(9):5072-5104.
[27] Liu R,Wang H,Jin W J.Soft-cavity-type host-guest structure of cocrystals with good luminescence behavior assembled by halogen bond and other weak interactions[J].Crystal Growth & Design,2017,17(6):3331-3337.
[28] Li L,Wu W X,Jin W J,et al.Effect of geometry factors on the priority of σ-hole…π and π-hole…π bond in phosphorescent cocrystals formed by pyrene or phenanthrene and trihaloperfluorobenzenes[J].New Journal of Chemistry,2018,42(13):10633-10641.
[29] 崔瑜瑾,晋卫军.分子间的非共价相互作用:σ-穴键和π-穴键[J].化学教育,2018,39(14):1-11.
[30] Maity S K,Bera S,Haldar D,et al.Halogen bond induced phosphorescence of capped γ-amino acid in the solid state[J].Chemical Communications,2013,49(79):9051-9053.
[31] Paikar A,Podder D,Haldar D,et al.Bromine-bromine interactions enhanced plasticity for the bending of a single crystal without affecting fluorescent properties[J].Cryst Eng Comm,2019,21(4):589-593.
[32] Xue P,Wang P,Chen P,et al.Bright persistent luminescence from pure organic molecules through a moderate intermolecular heavy atom effect[J].Chemical Science,2017,8:6060-6065.
[33] Ang S J,Chwee T S,Wong M W.Does halogen bonding promote intersystem crossing and phosphorescence in benzaldehyde?[J].The Journal of Physical Chemistry C,2018,122(23):12441-12447.
[34] Zhang G,Chen J,Fraser C L,et al.Multi-emissive difluoroboron dibenzoylmethane polylactide exhibiting intense fluorescence and oxygen-sensitive room-temperature phosphorescence[J].Journal of the American Chemical Society,2007,129(29):8942-8943.
[35] Liu T,Zhang G,Fraser C L,et al.Phosphorescence tuning through heavy atom placement in unsymmetrical difluoroboron β-diketonate materials[J].Chemistry-A European Journal,2018,24(8):1859-1869.
[36] Sarkar S,Hendrickson H P,Kim J,et al.Phosphorescence in bromobenzaldehyde can be enhanced through intramolecular heavy atom effect[J].The Journal of Physical Chemistry C,2017,121(7):3771-3777.
[37] An Z,Zheng C,Huang W,et al.Stabilizing triplet excited states for ultralong organic phosphorescence[J].Nature Materials,2015,14(7):685.
[38] Niu Z,Ma C,Huang W,et al.Colour-tunable ultralong organic phosphorescence upon temperature stimulus[J].RSC Advances,2019,9(33):19075-19078.
[39] Cai S,Shi H,Huang W,et al.Enhancing ultralong organic phosphorescence by effective π-type halogen bonding[J].Advanced Functional Materials,2018,28(9):1705045.