1 Sangeetha N M, Maitra U. Supramolecular gels: Functions and uses. Chem Soc Rev, 2005, 34: 821-836？？
[2]
3 Banerjee S, Das R K, Maitra U. Supramolecular gels ‘in action’. J Mater Chem, 2009, 19: 6649-6687？？
[3]
8 Yi T, Sada K, Shinkai S, et al. Photo-induced colour generation and colour erasing switched by the sol-gel phase transition. Chem Commun, 2003, 344-345
[4]
10 Wang Y L, Li W, Wu L X. Organic-inorganic hybrid supramolecular gels of surfactant-encapsulated polyoxometalates. Langmuir, 2009, 25: 13194-13200？？
[5]
11 Liu B, Yang J, Wang W, et al. Polyoxometalate cluster-contained hybrid gelator and hybrid organogel: A new concept of soft enization of polyoxometalate clusters. Soft Matter, 2011, 7: 2317-2320？？
[6]
14 Schall O F, Gokel G W. Molecular boxes derived from crown ethers and nucleotide bases: Probes for Hoogsteen vs Watson-Crick H-bonding and other base-base interactions in self-assembly processes. J Am Chem Soc, 1994, 116: 6089-6100 ？？
2 Escuder B, Rodríguez-Llansola F, Miravet F. Supramolecular gels as active media for organic reactions and catalysis. New J Chem, 2010, 34: 1044-1054？？
[9]
4 Grzybowski B A, Wilmer C E, Bishop K J M, et al. Self-assembly: From crystals to cells. Soft Matter, 2009, 5: 1110-1128？？
[10]
5 Dawn A, Shiraki T, Shinkai S, et al. What kind of “Soft Materials” can we design from molecular gels? Chem Asian J, 2010, 6: 266-282
[11]
6 Van Esch J H. We can design molecular gelators, but do we understand them? Langmuir, 2009, 25: 8392-8394
[12]
7 Wang Z L, Ma Y, Yao J N, et al. Reversible luminescent switching in a [Eu(SiW10MoO39)13--Agarose composite film by photosensitive intramolecular energy transfer. Adv Mater, 2009, 21: 1737-1741？？
[13]
9 Favette S, Gouzerh P, Hasenknopf B, et al. Assembly of a polyoxometalate into an anisotropic gel. Chem Commun, 2003, 2664-2665
[14]
12 He Z F, Li H L, Wu L X, et al. Instantaneous and reversible gelation of organically grafted polyoxometalate Complexes with Dicarboxylic acids. Soft Matter, 2012, 8: 3315-3321？？
[15]
13 He Z F, Li H L, Wu L X, et al. Thermal-induced dynamic self-assembly of adenine-grafted polyoxometalate complexes. Dalton Trans, 2012, doi: 10. 1039/C2DT30421J
