Adsorption of PTCDA and C60 on KBr(001): electrostatic interaction versus electronic hybridization

Author:

Jia Qian1234,Hu Zhi-Xin1234,Ji Wei1234,Burke Sarah A.56789,Gao Hong-Jun10111213,Grütter Peter14151617,Guo Hong14151617

Affiliation:

1. Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-nano Devices

2. Renmin University of China

3. Beijing 100872

4. China

5. Department of Physics and Astronomy

6. the Department of Chemistry

7. and Stewart Blusson Quantum Matter Institute

8. Vancouver

9. Canada V6T 1Z1

10. Institute of Physics

11. Chinese Academy of Sciences

12. Beijing

13. 100190 China

14. Centre for the Physics of Materials and Department of Physics

15. McGill University

16. Montreal

17. Canada H3A 2T8

Abstract

A plot of differential charge density shows opposite electron density variation in two slabs near PTCDA and KBr(001), revealing electrostatic attraction as the primary interaction between aromatic molecules and insulator substrates.

Funder

Ministry of Science and Technology

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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