,

,

email: nenad@ipb.ac.rs URL: www.scl.rs/nenad

, , 18. 2018.

:

( , ,…)

: 23

, 10

2000 CPU cores, 100 TFlops

× 4 J .

× J.

P3HT

MEH-PPV

:

:

( )

:

( )

:

. .

/ .

. UV. .

OLED OFET OPV

http://www.cstf.kyushu-u.ac.jp/~adachilab/research_b_e.html

Ш

OLED displays

OLED light

conductive inks

:

( EPFL)

ђ

ђ

-

.

.

?

–

:

-

‏

ђ

Electrode

Electrode

( ) ( )

Electrode

~100fs.

Grancini et al, Nature Mater 12, 29 (2013).

Jailaubekov et al, Nature Mater 12, 66 (2013).

Gelinas et al, Science 343, 512 (2014).

~100fs?

𝜇 < . V , 𝐷 = 𝑘𝐵𝑇𝑒 , 𝐿~ nm

𝑡~ 𝐿𝐷 ~ ps

CT CS ? 𝑘𝐵𝑇 = meV ≪ 𝐸𝑏 ~ meV

–

–

: , , . . .

(1)

𝑖 𝑋𝑥𝑡 = 𝑋𝑥 , 𝐻 𝑖 d 𝑋𝑥+ 𝑋𝑥d𝑡 = 𝑋𝑥+ 𝑋𝑥 , 𝐻 𝑋𝑥+ , 𝑋𝑥 = 𝛿𝑥 𝑥 + 𝑂 𝐸 𝑋𝑥 , 𝑋𝑥 =

𝑦𝑥 = 𝑋𝑥 𝑛𝑥 𝑥 = 𝑋𝑥+ 𝑋𝑥 𝑦𝑥+ = 𝑋𝑥𝑏+ 𝑦𝑥− = 𝑋𝑥𝑏 𝑛𝑥 𝑥+ = 𝑋𝑥+ 𝑋𝑥 𝑏+ 𝑛𝑥 𝑥− = 𝑋𝑥+ 𝑋𝑥 𝑏

(2)

: + . .

𝑦𝑥 = 𝑋𝑥 𝑛𝑥 𝑥 = 𝑋𝑥+ 𝑋𝑥 𝑦𝑥+ = 𝑋𝑥𝑏+ 𝑦𝑥− = 𝑋𝑥𝑏 𝑛𝑥 𝑥+ = 𝑋𝑥+ 𝑋𝑥 𝑏+ 𝑛𝑥 𝑥− = 𝑋𝑥+ 𝑋𝑥 𝑏

…

XD, CT CS .

100 fs .

XD, CT CS

V. Janković and N. Vukmirović, Phys. Rev. B 95, 075308 (2017).

JDA

JA

DA

- 𝐸

ℏ

ℏ

G

X1

X2

𝑛 𝑋 ~ − Δ𝑇 𝑟 𝑏𝑒𝑇 𝑟 𝑏𝑒

.

, XD-GS ( ).

Probe of CT and CS states Probe of lowest XD state

Grancini et al, Nature Mater 12, 29 (2013).

V. Janković and N. Vukmirović, Phys. Rev. B 95, 075308 (2017).

~100fs?

𝜇 < . V , 𝐷 = 𝑘𝐵𝑇𝑒 , 𝐿~ nm

𝑡~ 𝐿𝐷 ~ ps :

CT CS ? 𝑘𝐵𝑇 = meV ≪ 𝐸𝑏 ~ meV

+ +

ђ . XD, CT .

-

:

ђ :

( ):

𝜏 ~ 𝑒 ⋅ ℎ

:

– CT (1)

:

CT0 (init)

𝑤i i ,i 𝑤i ,i i

CTn (inter)

𝜏init

𝑤 ,i

V. Janković and N. Vukmirović, J. Phys. Chem. C, in press (2018).

– CT (2)

CT0 (init)

𝑤i i ,i 𝑤i ,i i

CTn (inter)

𝜏init

𝑤 ,i

𝜎

V. Janković and N. Vukmirović, J. Phys. Chem. C, in press (2018).

– XD

V. Janković and N. Vukmirović, J. Phys. Chem. C, in press (2018).

~100fs?

𝜇 < . V , 𝐷 = 𝑘𝐵𝑇𝑒 , 𝐿~ nm

𝑡~ 𝐿𝐷 ~ ps :

CT CS ?

:

.

,

,

email: nenad@ipb.ac.rs URL: www.scl.rs/nenad

, , 18. 2018.