399. Schuster DI, Lem G, Kaprinidis NA (1993) New insights into an old mechanism: [2 + 2]
photocycloaddition of enones to alkenes. Chem Rev 93:3–22. https://doi.org/10.1021/
cr00017a001
400. Usami H, Takagi K, Sawaki Y (1992) Regioselective photocyclodimerization of
cyclohexenones intercalated on clay layers. Chem Lett 21:1405–1408. https://doi.org/10.
1246/cl.1992.1405
401. Madhavan D, Pitchumani K (2002) Photodimerisation of enones in a clay microenvironment.
Photochem Photobiol Sci 1:991–995. https://doi.org/10.1039/b208030c
402. Takagi K, Usami H, Fukaya H, Sawaki Y (1989) Spatially controlled photocycloaddition of a
clay-intercalated stilbazolium cation. J Chem Soc Chem Commun:1174. https://doi.org/10.
1039/c39890001174
403. Usami H, Takagi K, Sawaki Y (1990) Controlled photocycloaddition of stilbazolium ions
intercalated in saponite clay layers. J Chem Soc Perkin Trans 2:1723. https://doi.org/10.1039/
p29900001723
404. Usami H, Takagi K, Sawaki Y (1992) Clay-inclusion photocyclodimerization: intercalation
and migration of stilbazolium ions. J Chem Soc Faraday Trans 88:77–81. https://doi.org/10.
1039/FT9928800077
405. Nakahira T, Hama M, Fukuchi O, Okamura T, Iwabuchi S, Shimazu S, Uematsu T, Kikuchi H
(1995) Control of photochemistry of stilbazolium ion by adsorption to poly(potassium
vinylsulfate) and to hectorite clay. Macromol Rapid Commun 16:717–723. https://doi.org/
10.1002/marc.1995.030161003
406. Shichi T, Takagi K, Sawaki Y (1996) Organized photocycloaddition of 4-benzoylbenzoate
with unsaturated carboxylates in hydrotalcite clay interlayers. Chem Lett 25:781–782. https://
doi.org/10.1246/cl.1996.781
407. Takagi K, Nakamura T, Katsu H, Itoh M, Sawaki Y, Imae T (1996) Photochemical
cyclodimerization of cinnmamic acids included in surfactant amine oxides. Mol Cryst Liq
Cryst Sci Technol Sect A Mol Cryst Liq Cryst 276–277:135–138. https://doi.org/10.1080/
10587259608046014
408. Elsherbiny AS, Salem MA, Ismail AA (2012) Influence of the alkyl chain length of cyanine
dyes on their adsorption by Na
+ -montmorillonite from aqueous solutions. Chem Eng J
200–202:283–290. https://doi.org/10.1016/j.cej.2012.06.050
409. Yui T, Takagi K, Inoue H (2018) Microscopic environment and molecular orientation of guest
molecules within polyfluorinated surfactant and clay hybrids: photochemical studies of
stilbazolium derivatives. J Photochem Photobiol A Chem 363:61–67. https://doi.org/10.
1016/j.jphotochem.2018.05.022
410. Zhong J, Cui X, Guan W, Lu C (2018) Direct observation of adsorption kinetics on clays by
cation-π interaction-triggered aggregation luminescence. J Mater Chem C 6:13218–13224.
https://doi.org/10.1039/c8tc04837a
411. Sasai R, Shin’ya N, Shichi T, Takagi K, Gekko K (2002) Molecular alignment and
photodimerization of 4‘-Chloro-4-stilbenecarboxylic acid in hydrotalcite clays: bilayer formation in the interlayers. Langmuir 15:413–418. https://doi.org/10.1021/la980699a
412. Shichi T, Yamashita S, Takagi K (1998) Photopolymerization of 4-vinylbenzoate and m- and
p-phenylenediacrylates in hydrotalcite interlayers. Supramol Sci 5:303–308. https://doi.org/
10.1016/S0968-5677(98)00023-6
413. Kalo H, Möller MW, Kunz DA, Breu J (2012) How to maximize the aspect ratio of clay
nanoplatelets. Nanoscale 4:5633–5639. https://doi.org/10.1039/c2nr31322g
414. Hofmann U, Klemen R (1950) Verlust der Austauschfähigkeit von Lithiumionen an Bentonit
durch Erhitzung. Zeitschrift für Anorg Chemie 262:95–99. https://doi.org/10.1002/zaac.
19502620114
415. Zemanová M, Link G, Takayama S, Nüesch R, Janek M (2006) Modification of layer charge in
smectites by microwaves. Appl Clay Sci 32:271–282. https://doi.org/10.1016/j.clay.2006.01.
002
Photofunctions of Dye-Clay Hybrids: Recent Developments
317
photocycloaddition of enones to alkenes. Chem Rev 93:3–22. https://doi.org/10.1021/
cr00017a001
400. Usami H, Takagi K, Sawaki Y (1992) Regioselective photocyclodimerization of
cyclohexenones intercalated on clay layers. Chem Lett 21:1405–1408. https://doi.org/10.
1246/cl.1992.1405
401. Madhavan D, Pitchumani K (2002) Photodimerisation of enones in a clay microenvironment.
Photochem Photobiol Sci 1:991–995. https://doi.org/10.1039/b208030c
402. Takagi K, Usami H, Fukaya H, Sawaki Y (1989) Spatially controlled photocycloaddition of a
clay-intercalated stilbazolium cation. J Chem Soc Chem Commun:1174. https://doi.org/10.
1039/c39890001174
403. Usami H, Takagi K, Sawaki Y (1990) Controlled photocycloaddition of stilbazolium ions
intercalated in saponite clay layers. J Chem Soc Perkin Trans 2:1723. https://doi.org/10.1039/
p29900001723
404. Usami H, Takagi K, Sawaki Y (1992) Clay-inclusion photocyclodimerization: intercalation
and migration of stilbazolium ions. J Chem Soc Faraday Trans 88:77–81. https://doi.org/10.
1039/FT9928800077
405. Nakahira T, Hama M, Fukuchi O, Okamura T, Iwabuchi S, Shimazu S, Uematsu T, Kikuchi H
(1995) Control of photochemistry of stilbazolium ion by adsorption to poly(potassium
vinylsulfate) and to hectorite clay. Macromol Rapid Commun 16:717–723. https://doi.org/
10.1002/marc.1995.030161003
406. Shichi T, Takagi K, Sawaki Y (1996) Organized photocycloaddition of 4-benzoylbenzoate
with unsaturated carboxylates in hydrotalcite clay interlayers. Chem Lett 25:781–782. https://
doi.org/10.1246/cl.1996.781
407. Takagi K, Nakamura T, Katsu H, Itoh M, Sawaki Y, Imae T (1996) Photochemical
cyclodimerization of cinnmamic acids included in surfactant amine oxides. Mol Cryst Liq
Cryst Sci Technol Sect A Mol Cryst Liq Cryst 276–277:135–138. https://doi.org/10.1080/
10587259608046014
408. Elsherbiny AS, Salem MA, Ismail AA (2012) Influence of the alkyl chain length of cyanine
dyes on their adsorption by Na
+ -montmorillonite from aqueous solutions. Chem Eng J
200–202:283–290. https://doi.org/10.1016/j.cej.2012.06.050
409. Yui T, Takagi K, Inoue H (2018) Microscopic environment and molecular orientation of guest
molecules within polyfluorinated surfactant and clay hybrids: photochemical studies of
stilbazolium derivatives. J Photochem Photobiol A Chem 363:61–67. https://doi.org/10.
1016/j.jphotochem.2018.05.022
410. Zhong J, Cui X, Guan W, Lu C (2018) Direct observation of adsorption kinetics on clays by
cation-π interaction-triggered aggregation luminescence. J Mater Chem C 6:13218–13224.
https://doi.org/10.1039/c8tc04837a
411. Sasai R, Shin’ya N, Shichi T, Takagi K, Gekko K (2002) Molecular alignment and
photodimerization of 4‘-Chloro-4-stilbenecarboxylic acid in hydrotalcite clays: bilayer formation in the interlayers. Langmuir 15:413–418. https://doi.org/10.1021/la980699a
412. Shichi T, Yamashita S, Takagi K (1998) Photopolymerization of 4-vinylbenzoate and m- and
p-phenylenediacrylates in hydrotalcite interlayers. Supramol Sci 5:303–308. https://doi.org/
10.1016/S0968-5677(98)00023-6
413. Kalo H, Möller MW, Kunz DA, Breu J (2012) How to maximize the aspect ratio of clay
nanoplatelets. Nanoscale 4:5633–5639. https://doi.org/10.1039/c2nr31322g
414. Hofmann U, Klemen R (1950) Verlust der Austauschfähigkeit von Lithiumionen an Bentonit
durch Erhitzung. Zeitschrift für Anorg Chemie 262:95–99. https://doi.org/10.1002/zaac.
19502620114
415. Zemanová M, Link G, Takayama S, Nüesch R, Janek M (2006) Modification of layer charge in
smectites by microwaves. Appl Clay Sci 32:271–282. https://doi.org/10.1016/j.clay.2006.01.
002
Photofunctions of Dye-Clay Hybrids: Recent Developments
317