Energy level alignment at planar organic heterojunctions: influence of contact doping and molecular orientation

2017 ◽  
Vol 29 (13) ◽  
pp. 133001 ◽  
Author(s):  
Andreas Opitz
Keyword(s):  
Energy Level ◽  
Molecular Orientation ◽  
Energy Level Alignment ◽  
Organic Heterojunctions

scholarly journals Energy Level Alignment in Organic–Organic Heterojunctions: The TTF/TCNQ Interface

2013 ◽  
Vol 117 (8) ◽  
pp. 3888-3894 ◽  
Author(s):  
Juan I. Beltrán ◽  
Fernando Flores ◽  
José I. Martínez ◽  
José Ortega
Keyword(s):  
Energy Level ◽  
Energy Level Alignment ◽  
Organic Heterojunctions

scholarly journals Energy-level alignment at organic heterointerfaces

2015 ◽  
Vol 1 (10) ◽  
pp. e1501127 ◽  
Author(s):  
Martin Oehzelt ◽  
Kouki Akaike ◽  
Norbert Koch ◽  
Georg Heimel
Keyword(s):  
Energy Level ◽  
Full Range ◽  
Electronic Devices ◽  
Frontier Molecular Orbital ◽  
Device Performance ◽  
Comprehensive Overview ◽  
Organic Interfaces ◽  
Reliable Model ◽  
Energy Level Alignment ◽  
Organic Heterojunctions

Today’s champion organic (opto-)electronic devices comprise an ever-increasing number of different organic-semiconductor layers. The functionality of these complex heterostructures largely derives from the relative alignment of the frontier molecular-orbital energies in each layer with respect to those in all others. Despite the technological relevance of the energy-level alignment at organic heterointerfaces, and despite continued scientific interest, a reliable model that can quantitatively predict the full range of phenomena observed at such interfaces is notably absent. We identify the limitations of previous attempts to formulate such a model and highlight inconsistencies in the interpretation of the experimental data they were based on. We then develop a theoretical framework, which we demonstrate to accurately reproduce experiment. Applying this theory, a comprehensive overview of all possible energy-level alignment scenarios that can be encountered at organic heterojunctions is finally given. These results will help focus future efforts on developing functional organic interfaces for superior device performance.

Thermal-annealing effects on energy level alignment at organic heterojunctions and corresponding voltage losses in all-polymer solar cells

Nano Energy ◽  
2020 ◽  
Vol 72 ◽  
pp. 104677 ◽  
Author(s):  
Chuanfei Wang ◽  
Fabrizio Moro ◽  
Shaofei Ni ◽  
Qilun Zhang ◽  
Guoxing Pan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Thermal Annealing ◽  
Polymer Solar Cells ◽  
Energy Level Alignment ◽  
Annealing Effects ◽  
Organic Heterojunctions

scholarly journals Energy-level alignment at interfaces between manganese phthalocyanine and C60

2017 ◽  
Vol 8 ◽  
pp. 927-932 ◽  
Author(s):  
Daniel Waas ◽  
Florian Rückerl ◽  
Martin Knupfer ◽  
Bernd Büchner
Keyword(s):  
Energy Level ◽  
Photoelectron Spectroscopy ◽  
Energy Difference ◽  
Molecular Orbitals ◽  
Organic Photovoltaic ◽  
Photovoltaic Devices ◽  
Organic Photovoltaic Devices ◽  
Energy Level Alignment ◽  
Organic Heterojunctions ◽  
Lowest Unoccupied Molecular Orbitals

We have used photoelectron spectroscopy to determine the energy-level alignment at organic heterojunctions made of manganese phthalocyanine (MnPc) and the fullerene C60. We show that this energy-level alignment depends upon the preparation sequence, which is explained by different molecular orientations. Moreover, our results demonstrate that MnPc/C60 interfaces are hardly suited for application in organic photovoltaic devices, since the energy difference of the two lowest unoccupied molecular orbitals (LUMOs) is rather small.

Impact of molecular orientation on energy level alignment at C60/pentacene interfaces

2018 ◽  
Vol 113 (16) ◽  
pp. 163302 ◽  
Author(s):  
Toshio Nishi ◽  
Masato Kanno ◽  
Miki Kuribayashi ◽  
Yasuyo Nishida ◽  
Shinnosuke Hattori ◽  
...  
Keyword(s):  
Energy Level ◽  
Molecular Orientation ◽  
Energy Level Alignment

Impact of Nitrogen Substitution and Molecular Orientation on the Energy-Level Alignment of Heteroacene Films

2011 ◽  
Vol 115 (31) ◽  
pp. 15502-15508 ◽  
Author(s):  
Qian Xin ◽  
Steffen Duhm ◽  
Shunsuke Hosoumi ◽  
Nobuo Ueno ◽  
Xu-tang Tao ◽  
...  
Keyword(s):  
Energy Level ◽  
Molecular Orientation ◽  
Energy Level Alignment ◽  
Nitrogen Substitution

Molecular Orientation Dependent Energy Level Alignment at Organic−Organic Heterojunction Interfaces

2009 ◽  
Vol 113 (29) ◽  
pp. 12832-12839 ◽  
Author(s):  
Wei Chen ◽  
Dong Chen Qi ◽  
Yu Li Huang ◽  
Han Huang ◽  
Yu Zhan Wang ◽  
...  
Keyword(s):  
Energy Level ◽  
Molecular Orientation ◽  
Energy Level Alignment

MOLECULAR ORIENTATION AND ENERGY LEVEL ALIGNMENT AT THE CuPc/SAMs INTERFACE

2008 ◽  
Vol 01 (01) ◽  
pp. 33-45
Author(s):  
WEI CHEN ◽  
SHI CHEN ◽  
DONG CHEN QI ◽  
XING YU GAO ◽  
ANDREW THYE SHEN WEE
Keyword(s):  
Energy Level ◽  
Molecular Orientation ◽  
Energy Level Alignment
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