Supporting information for Aggregation and photodimer ...

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C This journal is ? The Royal Society of Chemistry 2013

Supporting information for

Aggregation and photodimerisation behaviour of cinnamoyloxy side chains of hyper-branched polymers determined by higher-order derivative spectra

Kunihiro Ichimura Faculty of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510 a Present address: R & D centre, Murakami Co. Ltd., 1-6-12 Ohnodai, Midori-ku, Chiba 267-0056 Japan. E-mail: k_ichimura@murakami.co.jp.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C This journal is ? The Royal Society of Chemistry 2013

Absorbance

An

1.0 d

0.5

a b c

0.0

260

280

300

320

340

Wavelength / nm

Fig. S1 Absorption spectra of DCi30 (a; dotted line), DCi20 (b; solid line), DCi40 (c; broken line) and DCi40-CI (d; solid line) in ethyl acetate.

A265

1.0

A280

0.8 A290

0.6

0.4

A299

0.2

0.0 0.0 0.2 0.4 0.6 0.8 1.0 A274

Fig. S2 ED-diagrams for spectral changes of a dilute solution of EtCi in ethyl acetate upon exposure to 313 nm light.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C This journal is ? The Royal Society of Chemistry 2013

n An/276

(a)

1.0

A270

A285

0.8

A290

0.6

A295

0.4

A300

0.2

0.0 0.0 0.2 0.4 0.6 0.8 1.0 276

(b)

EDQ Bz2Ci

A265/A276

1.0

0.8

A285/A276

0.6

A295/A276

A300/A276 0.4

0.66 0.68 0.70 0.72 0.74 A290/276

Fig. S3 (a) ED- and (b) EDQ-diagrams for spectral changes of a dilute solution of Bz2Ci in ethyl acetate upon exposure to 313 nm light.

An An/280

(a)

1.0

0.8

ED PVCi

0.6

0.4

0.2

A280 A287 A294 A300

0.0 0.0 0.2 0.4 0.6 0.8 1.0 A274

(b)

1.2 A269/A280

1.0

EDQ PVCi

0.8

A294/A280

0.6 A300/A280

0.4

0.81 0.82 0.83 0.84 0.85 0.86 0.87 A274/280

Fig. S4 (a) ED- and (b) EDQ-diagrams for spectral changes of a dilute solution of PVCi in ethyl acetate upon exposure to 313 nm light.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C This journal is ? The Royal Society of Chemistry 2013

n n/276

(a)

1.0

284

0.8

270

0.6

305

310

0.4

0.2

315

0.0 0.0 0.2 0.4 0.6 0.8 1.0 276

(b)

1.2

284/276

1.0

0.8

305/276

3104/276

0.6

0.4

0.2

315/276

0.0 0.80 0.85 0.90 0.95 1.00 1.05

284/276

Fig. S5 (a) ED- and (b) EDQ-diagrams for spectral changes of a dilute solution of DCi40 in ethyl acetate upon exposure to 313 nm light.

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C This journal is ? The Royal Society of Chemistry 2013

Table S1 The sub-peak positions of the cinnamates in derivative spectra of fourth-order.

Material

a)

State

/ nm max

1

EtCi solution 272

266

Bz2Ci solution 276

266

PVCi solution 271

264

DCi20 solution 282

261

DCi30 solution 282

261

DCi40 solution 284

264

DCi40-CI solution 274

-

PVCi

film

274

267

DCi40 film

284

266

a) Solution in ethyl acetate. b) Data from 8th derivative spectra

Sub-peak position / nm

2

3

4

5

6

273 272.5 273 274 274 274 273

283 283 284 284 284 284.5 283

293 302.5

-

293 304

-

294 304.5

-

294

305

b)

(317)

294

305

b)

(317)

294

304.5

b)

(~ 318)

294 304.5

-

276

286

295 307

-

275

287

297 309 322

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