Amorphous Metal-Free Room-Temperature ... - ACS Publications

Jan 4, 2018 - Amorphous Metal-Free Room-Temperature Phosphorescent Small. Molecules with Multicolor Photoluminescence via a Host−Guest and Dual-Emis...
1 downloads 15 Views 1MB Size
Subscriber access provided by READING UNIV

Article

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

Amorphous Metal-Free Room-Temperature Phosphorescent Small Molecules with Multicolor Photoluminescence via a Host-Guest and Dual-Emission Strategy

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

Dengfeng Li, Feifei Lu, Jie Wang, Wende Hu, Xiao-Ming Cao, Xiang Ma, and He Tian J. Am. Chem. Soc., Just Accepted Manuscript • DOI: 10.1021/jacs.7b12800 • Publication Date (Web): 04 Jan 2018 Downloaded from http://pubs.acs.org on January 4, 2018

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

Just Accepted “Just Accepted” manuscripts have been peer-reviewed and accepted for publication. They are posted online prior to technical editing, formatting for publication and author proofing. The American Chemical

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

Society provides “Just Accepted” as a free service to the research community to expedite the dissemination of scientific material as soon as possible after acceptance. “Just Accepted” manuscripts appear in full in PDF format accompanied by an HTML abstract. “Just Accepted” manuscripts have been fully peer reviewed, but should not be considered the official version of record. They are accessible to all readers and citable by the Digital Object Identifier (DOI®). “Just Accepted” is an optional service offered

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

to authors. Therefore, the “Just Accepted” Web site may not include all articles that will be published in the journal. After a manuscript is technically edited and formatted, it will be removed from the “Just Accepted” Web site and published as an ASAP article. Note that technical editing may introduce minor changes to the manuscript text and/or graphics which could affect content, and all legal disclaimers

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Subscriber access provided by READING UNIV

and ethical guidelines that apply to the journal pertain. ACS cannot be held responsible for errors or consequences arising from the use of information contained in these “Just Accepted” manuscripts.

Journal of the American Chemical Society is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.

Page 1 of 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Hydrogen Bonding

Journal of the American Chemical Society

Phosphorescence

ACS Paragon Plus Environment

Journal of the American Chemical Society 1 2 3 4 5 6 7 8 9 10 R 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

mBr ""

a)

'o

~

Br

b)

'o

BrNp-J3-CD R=

Page 2 of 16

Hydrogen Bonding

BrHB-J3-CD Br Br 0

BrBp-(3-CD

BrNpA-(3-CD

& N~\GGf Cl

0

,

0

--- ~ ISC

ACS Paragon Plus Environment

T

I I

0

H2

AC

8

I

I

Non-Radiativ~~ I

Decay

1 I

I

lv

-

Phosphorescence

1000

a)

600

b)

i:o

soo Page of 16 of the American:iChemical Society ~800 3Journal

i.

~ ;.,

...

j>-,.400

·~600 ]400

1 ~200 2 3 c) 4 500 5 ~;.,~400 6 ~ JOO 7 .] 200 8 ~ 100 9 10 e) 11 12 13 14

.

~JOO

~;,_: ~·

~200 f-

0.

~100

sso

500

;=u 600

650

700

450

\ Vavelength I nm

f:

. ·.....,;:....," .

500

550

;:o 600

650

700

" 'avelengtb I nm 500

d)

~ 400

f..

~ ;.,

~JOO

. ' ....;

.. ... :

"

]200

"'~100

0.

450

500

sso

600

Wavelength I om

650

700

550

600

650

700

\Vavelength I om

ACS Paragon Plus Environment

750

800

BrNp-P-CD - - BrBp-P-CD Journalofthe American Chemical Page Society 4 of 16 - - BrNpA-P-CD - - BrHB-P-CD - - AC@BrNp-p-CD

1 2 3 4 5 6 7

-_,......,-

_

i"-oo

-

_...,

~ ACS Paragon Plus Environment

10

30

20 20

40

50

BrNp-13-CD

Page 5 of 16

1 2LUMO 3 4 5 6 7 8 9HOMO 10 BrNp-13-CD 11 5 /eV 3.92 121 T 1 /eV 2.29 13 11E r/eV 1.62 145

BrBp-13-CD

Journal of the American Chemical Society

BrNp

BrHB-13-CD

BrHB

BrBp-13-CD

3.77

4.17 4.09 Environment 3.84 ACS Paragon Plus

BrNpA-13-CD

BrBp

BrNpA-13-CD

BrNpA

3.37

3.19

3.93

2.32

2.60

2.57

2.64

1.97

1.95

2.67

1.45

1.58

1.52

1.19

1.41

1.25

1.25

a)

1.0

.Journal of the American Chemical Society Page 6 of 16

0.8 0.6

1 0.4 2 0.2 3 0.0 0.0 4 5 b) 1.0 6 0.8 7 8 0.6 9 0.4 10 0.2 11 0.0 0.0 12 13 1.0 c) 14 0.8 15 0.6 16 0.4 17 0.2 18 0.0 19 0.0 20 21 1.0 d) 22 0.8 23 0.6 24 0.4 25 0.2 26 0.0 27 0.0 28

.

0.2

0.1

0.3

DMF fraction(%)

I -~-

0.2

0.1

0.3

.

DMF f1·action

.

DMF fraction(%)

0.1

0.4

1

;

I

(%)

0.3

0.2

ACS Paragon Plus Environment 0.1

0.3

0.2

DMF f ractio n

(%)

'

t

'



a) soo, - - - - - - - - - - - - ,

b) tooo, - - - - - - - - - - - - ,

BrNp-JJ-CD Page 7Journal of 16 -6-BrNp:JJ-CD of6-BrNp:Me-JJ-CD the American:isoo Chemical Society -

- 6-B