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Experimental and theoretical studies of the effect of molecular conformation on the photophysical properties in the pyrene system (2022)
Journal Article
Song, X., Guo, H., Yu, S., Huang, L., Redshaw, C., Zhang, Q., …Feng, X. (2023). Experimental and theoretical studies of the effect of molecular conformation on the photophysical properties in the pyrene system. Dyes and pigments : an international journal, 210, Article 111036. https://doi.org/10.1016/j.dyepig.2022.111036

Disordered motion is an intrinsic property of molecules. The use of controllable molecular motion can not only achieve interesting molecular geometry, but can also induce novel opto-electronic behaviour. Herein, a set of pyrene-based compounds were s... Read More about Experimental and theoretical studies of the effect of molecular conformation on the photophysical properties in the pyrene system.

Host-Guest Synergy of CH3NH3PbBr3@Ln-MOFs Enabling Tunable Green Luminescence and Switchable Memory (2022)
Journal Article
Zhao, L., Redshaw, C., Ding, K., Zhang, P., Chen, B., Chen, Z., …Li, H. (2023). Host-Guest Synergy of CH3NH3PbBr3@Ln-MOFs Enabling Tunable Green Luminescence and Switchable Memory. Applied Surface Science, 614, Article 156082. https://doi.org/10.1016/j.apsusc.2022.156082

Metal organic frameworks (MOFs) contain ordered pores capable of encapsulating varied types of guests and provide a platform to expand the flexibility and versatility of the host-guest composites. Herein, by encapsulating CH3NH3PbBr3 NPS into Ln-MOFs... Read More about Host-Guest Synergy of CH3NH3PbBr3@Ln-MOFs Enabling Tunable Green Luminescence and Switchable Memory.

Supramolecular self-assembly between symmetric tetramethyl cucurbit[6]uril and dimethylphenylpiperazine hydrochloride (2022)
Journal Article
Hu, J. H., Yu, Z. C., Zhang, J. Y., Liu, Z. N., Hou, R. X., Xiong, Y., …Xiao, X. (2023). Supramolecular self-assembly between symmetric tetramethyl cucurbit[6]uril and dimethylphenylpiperazine hydrochloride. Polyhedron, 230, Article 116241. https://doi.org/10.1016/j.poly.2022.116241

The interaction between symmetric tetramethyl cucurbit[6]uril (TMeQ[6]) and 2,3-dimethylphenylpiperazine hydrochloride (PMY) has been studied in the presence of [CdCl4]2-. Each port of the TMeQ[6] is connected to PMY through weak interactions such as... Read More about Supramolecular self-assembly between symmetric tetramethyl cucurbit[6]uril and dimethylphenylpiperazine hydrochloride.

Supramolecular assemblies of cucurbit[n]urils and 4-aminopyridine controlled by cucurbit[n]uril size (n = 5, 6, 7 and 8) (2022)
Journal Article
Lu, Y., Yu, Z., Yang, X., Dai, J., Shan, P., Feng, X., …Xiao, X. (2023). Supramolecular assemblies of cucurbit[n]urils and 4-aminopyridine controlled by cucurbit[n]uril size (n = 5, 6, 7 and 8). Chinese Chemical Letters, 34(7), Article 108040. https://doi.org/10.1016/j.cclet.2022.108040

The binding interactions between 4-aminopyridine (4-AP) and a series of cucurbit[n]urils (Q[5], Q[6], TMeQ[6], Q[7], Q[8]) have been studied using 1H NMR spectroscopy, UV–vis absorption spectroscopy, isothermal titration calorimetry (ITC) and X-ray c... Read More about Supramolecular assemblies of cucurbit[n]urils and 4-aminopyridine controlled by cucurbit[n]uril size (n = 5, 6, 7 and 8).

Pillared MOFs: structure and ring opening polymerization of cyclic esters (2022)
Journal Article
Gong, Y., Cheng, F., Chen, F., Beamish-Cook, J., Elsegood, M. R., Elsegood, M. R. J., Derbyshire, M., Rowe, O., & Redshaw, C. (2023). Pillared MOFs: structure and ring opening polymerization of cyclic esters. CrystEngComm, 25(2), 267-283. https://doi.org/10.1039/d2ce01317g

The solvothermal reaction of Zn(NO3)2·6H2O with 5-aminoisophthalic acid and 4,4′-bipyridyl (4,4′-bipy) led to the self-assembly of the known 3-D hybrid H-bonded/covalent structure {[Zn(5-AIP)(4,4′-bipy)0.5]·DMF}n (1·DMF), but with DMF here (rather th... Read More about Pillared MOFs: structure and ring opening polymerization of cyclic esters.

Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine (2022)
Journal Article
Yuan, S. W., Shan, P. H., Yang, M. X., Yang, M. X., Ma, P. H., Prior, T. J., …Xiao, X. (2022). Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine. CrystEngComm, https://doi.org/10.1039/d2ce01308h

Herein, we have investigated the host-guest inclusion complexes formed on interaction of the symmetric tetramethyl-substituted cucurbit[6]uril (TMeQ[6]) with glycine (Gly) under different conditions. The interactions have been studied both in solutio... Read More about Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine.

Preparation of pelargonic acid vesicles and sustained drug release (2022)
Journal Article
Wang, Z., Zhang, Y., Chen, Q., Xiao, X., & Redshaw, C. (2023). Preparation of pelargonic acid vesicles and sustained drug release. Canadian Journal of Chemistry, 101(2), 99-109. https://doi.org/10.1139/cjc-2022-0075

This study has selected the medium-chain saturated fatty acid pelargonic acid as the raw material for the first time, and added the surface catalyst Tween 80 to the aqueous solution to form pelargonic acid–Tween 80 composite vesicles by a surface ten... Read More about Preparation of pelargonic acid vesicles and sustained drug release.

Crystallization-induced emission enhancement of alkyl chain-dependent pyrene-based luminogens: Visual detection of nitro-explosives (2022)
Journal Article
Yu, Z., Cao, J., Li, H., Yang, G., Zhao, W., Wang, C., …Yamato, T. (2023). Crystallization-induced emission enhancement of alkyl chain-dependent pyrene-based luminogens: Visual detection of nitro-explosives. Journal of Luminescence, 253, Article 119439. https://doi.org/10.1016/j.jlumin.2022.119439

In view of the widespread applications and urgent need for efficient blue emitting materials, the synthesis of such materials has seen renewed interest. In the present work, three alkyl chain-dependent blue emitting pyrene-based luminogens were synth... Read More about Crystallization-induced emission enhancement of alkyl chain-dependent pyrene-based luminogens: Visual detection of nitro-explosives.

Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine (2022)
Journal Article
Liu, M., Cen, R., Lu, J. H., Meng, T. H., Li, C. R., Redshaw, C., …Xiao, X. (in press). Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine. Materials Chemistry Frontiers, https://doi.org/10.1039/d2qm00589a

Fluorescent nitrogen and fluorine doped carbon dots (CDs) were prepared by a hydrothermal method using levofloxacin (LVFX) and cucurbit[6]uril (Q[6]) as the nitrogen and carbon sources, respectively. Decomposition of LVFX occurred at elevated tempera... Read More about Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine.

New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications (2022)
Journal Article
Zhang, T. T., Yang, X. N., Hu, J. H., Luo, Y., Liu, H. J., Tao, Z., …Redshaw, C. (2023). New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications. Chemical Engineering Journal, 452, Article 138960. https://doi.org/10.1016/j.cej.2022.138960

In this work, we have utilized a supramolecular approach to control emission, and generate white light and have applied the system to both 3D printing and counterfeiting applications. In particular, we report two new dual-mode orthogonal tunable fluo... Read More about New dual-mode orthogonal tunable fluorescence systems based on cucurbit[8]uril: White light, 3D printing, and anti-counterfeit applications.

One-Pot Synthesis of Pyreno[2,1-b]furan Molecules with Two-Photon Absorption Properties (2022)
Journal Article
Wang, X., Zhang, C., Zeng, J., Mao, X., Redshaw, C., Niu, G., …Feng, X. (2022). One-Pot Synthesis of Pyreno[2,1-b]furan Molecules with Two-Photon Absorption Properties. Journal of Organic Chemistry, https://doi.org/10.1021/acs.joc.2c01303

The development of large π-conjugated polycyclic heteroaromatic materials is of immense interest, both in the academic as well as the industrial community. Herein, we present the efficient one-pot synthesis of novel pyreno[2,1-b]furan molecules from... Read More about One-Pot Synthesis of Pyreno[2,1-b]furan Molecules with Two-Photon Absorption Properties.

A novel pillar[5]arene-cucurbit[10]uril based host-guest complex: Synthesis, characterization and detection of paraquat (2022)
Journal Article
Luo, Y., Zhang, W., Zhao, J., Yang, M. X., Ren, Q., Redshaw, C., Tao, Z., & Xiao, X. (2023). A novel pillar[5]arene-cucurbit[10]uril based host-guest complex: Synthesis, characterization and detection of paraquat. Chinese Chemical Letters, 34(3), Article 107780. https://doi.org/10.1016/j.cclet.2022.107780

The macrocyclic family comprising pillar[n]arenes and cucurbit[n]urils have received much attention recently. However, studies on the construction of supramolecular complexes formed directly with derivatized pillar[n]arenes and cucurbit[n]urils are s... Read More about A novel pillar[5]arene-cucurbit[10]uril based host-guest complex: Synthesis, characterization and detection of paraquat.

Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2) (2022)
Journal Article
Zhang, X., Prior, T. J., Chen, K., Santoro, O., & Redshaw, C. (2022). Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2). Catalysts, 12(9), Article 935. https://doi.org/10.3390/catal12090935

The reactions of the titanium alkoxide [Ti(OR)4] (R = Me, nPr, iPr, tBu) with the acids 2,2’-Ph2C(X)(CO2H), where X = OH and NH2, i.e., benzilic acid (2,2’-diphenylglycolic acid, L1H2), and 2,2’-diphenylglycine (L2H3), have been investigated. The var... Read More about Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2).

Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media (2022)
Journal Article
He, J., Yu, X. Y., Yu, Z. C., Liu, M., Shan, P. H., Redshaw, C., …Xiao, X. (2022). Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media. Analytica Chimica Acta, 1226, Article 340262. https://doi.org/10.1016/j.aca.2022.340262

The efficient and selective detection of isomers is an attractive but challenging area. In this study, a supramolecular fluorescent probe based on cucurbit[8]uril (Q[8]) and a pyrene-based derivative (G) was prepared, which effectively recognized and... Read More about Facile fluorescent detection of o-nitrophenol by a cucurbit[8]uril-based supramolecular assembly in aqueous media.

Supramolecular Polymeric Material Based on Twisted Cucurbit[14]uril: Sensitive Detection and Removal of Potential Cyanide from Water (2022)
Journal Article
Zhang, W., Luo, Y., Zhu, P. H., Ni, X. L., Redshaw, C., Tao, Z., & Xiao, X. (2022). Supramolecular Polymeric Material Based on Twisted Cucurbit[14]uril: Sensitive Detection and Removal of Potential Cyanide from Water. ACS Applied Materials & Interfaces, https://doi.org/10.1021/acsami.2c10866

Potassium ferricyanide in an aqueous solution is easily decomposed into highly toxic substances (potassium cyanide and hydrogen cyanide) by light or alkaline action, which poses a major hazard to environmental and human health. Here, a reticulated ag... Read More about Supramolecular Polymeric Material Based on Twisted Cucurbit[14]uril: Sensitive Detection and Removal of Potential Cyanide from Water.

Structure-controlled intramolecular charge transfer in asymmetric pyrene-based luminogens: synthesis, characterization and optical properties (2022)
Journal Article
Yu, Z. D., Cao, J. Y., Li, H. L., Yang, G., Xue, Z. M., Jiang, L., …Yamato, T. (2022). Structure-controlled intramolecular charge transfer in asymmetric pyrene-based luminogens: synthesis, characterization and optical properties. New journal of chemistry = Nouveau journal de chimie, https://doi.org/10.1039/d2nj02968e

Full-colour emitting materials have been widely studied driven by their promising potential application in fluorescence imaging and optoelectronic devices. In this paper, the synthesis and charactization of four asymmetric D-A type pyrene-based lumin... Read More about Structure-controlled intramolecular charge transfer in asymmetric pyrene-based luminogens: synthesis, characterization and optical properties.

Encapsulationof the Haloalkane 4-Chloromethylpyridine Hydrochloride by Cucurbit[8]uril (2022)
Journal Article
Shan, P., Lu, Y., Yu, Z., Fan, Y., Zhao, A., Redshaw, C., …Xiao, X. (2022). Encapsulationof the Haloalkane 4-Chloromethylpyridine Hydrochloride by Cucurbit[8]uril. ChemistrySelect, 7(29), Article e202200107. https://doi.org/10.1002/slct.202200107

Complexation of 4-chloromethylpyridine hydrochloride (G) with cucurbit[8]uril (Q[8]) has been investigated using NMR spectroscopy, UV-visible spectroscopy, isothermal titration calorimetry (ITC), Quantum calculation, and X-ray crystallography. The da... Read More about Encapsulationof the Haloalkane 4-Chloromethylpyridine Hydrochloride by Cucurbit[8]uril.

An Efficient Approach to Pyrene-based Aggregation-induced Emission Luminogens (2022)
Journal Article
Guo, H., Song, X., Wang, X., Liu, Y., Redshaw, C., & Feng, X. (2022). An Efficient Approach to Pyrene-based Aggregation-induced Emission Luminogens. ChemistrySelect, 7(29), Article e202202208. https://doi.org/10.1002/slct.202202208

To suppress the fluorescence quenching of pyrene in the aggregation state, this article presents a facile strategy for the construction of pyrene-based aggregation-induced emission luminogens (AIEgens) via decorating the pyrene core with benzophenone... Read More about An Efficient Approach to Pyrene-based Aggregation-induced Emission Luminogens.