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13 - Electrical and Electronic Engineering, Metallurgy and Materials

Imperial College London : B - Metallurgy and Materials

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Article title

The crystalline structure of copper phthalocyanine films on ZnO(1100).

Type

D - Journal article

DOI

10.1021/ja305760b

Title of journal

Journal of the American Chemical Society

Article number

Volume number

134

Issue number

First page of article

14302

ISSN of journal

1520-5126

Year of publication

2012

URL

Number of additional authors

Additional information

The interfaces in hybrid systems are critical to device performance. Here we showed that the polar ZnO surfaces induce an unfavourable orientation effect in the CuPc crystal; whereas thicker films showed a co-existence of two different stacking regimes. A reinterpretation of the accepted structure of the herringbone phase was provided. This work explains the poor charge extraction and device efficiency when ZnO is used as an active layer in PV cells. The results are being used, together with our Industrial partners, within our EPSRC/TSB funded programme (EP/J500161/1) to guide transparent conducting oxide (TCO) development for hybrid devices.

Interdisciplinary

Yes

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract