Trade-Off between Trap Filling, Trap Creation, and Charge Recombination Results in Performance Increase at Ultralow Doping Levels in Bulk Heterojunction Solar Cells

Increasing Polymer Solar Cell Fill Factor by Trap-Filling with F4-TCNQ at Parts Per Thousand Concentration

(2016) Han Yan et al.   ADVANCED MATERIALS

High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor

(2016) Sarah Holliday et al.   Nature Communications

Enhanced Performance of Polymeric Bulk Heterojunction Solar Cells via Molecular Doping with TFSA

(2015) Yubin Xiao et al.   ACS Applied Materials & Interfaces

Measurement of Small Molecular Dopant F4TCNQ and C60F36 Diffusion in Organic Bilayer Architectures

(2015) Jun Li et al.   ACS Applied Materials & Interfaces

Doped Organic Semiconductors: Trap-Filling, Impurity Saturation, and Reserve Regimes

(2015) Max L. Tietze et al.   ADVANCED FUNCTIONAL MATERIALS

Significance of miscibility in multidonor bulk heterojunction solar cells

(2015) Benjamin F. Hartmeier et al.   JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS

Terthiophene-Based D–A Polymer with an Asymmetric Arrangement of Alkyl Chains That Enables Efficient Polymer Solar Cells

(2015) Huawei Hu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Miscibility and Acid Strength Govern Contact Doping of Organic Photovoltaics with Strong Polyelectrolytes

(2015) Thinh P. Le et al.   MACROMOLECULES

Bulk heterojunction thickness uniformity - a limiting factor in large area organic solar cells?

(2015) Hui Jin et al.   PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE

Optical measurement of doping efficiency in poly(3-hexylthiophene) solutions and thin films

(2015) Chenchen Wang et al.   PHYSICAL REVIEW B

Imaging of morphological changes and phase segregation in doped polymeric semiconductors

(2015) Felix Deschler et al.   SYNTHETIC METALS

Competition between recombination and extraction of free charges determines the fill factor of organic solar cells

(2015) Davide Bartesaghi et al.   Nature Communications

Disorder-Induced Open-Circuit Voltage Losses in Organic Solar Cells During Photoinduced Burn-In

(2015) Thomas Heumueller et al.   Advanced Energy Materials

Microstructural and Electronic Origins of Open-Circuit Voltage Tuning in Organic Solar Cells Based on Ternary Blends

(2015) Sonya A. Mollinger et al.   Advanced Energy Materials

Effective Solution- and Vacuum-Processed n-Doping by Dimers of Benzimidazoline Radicals

(2014) Benjamin D. Naab et al.   ADVANCED MATERIALS

Direct Observation of Doping Sites in Temperature-Controlled, p-Doped P3HT Thin Films by Conducting Atomic Force Microscopy

(2014) Duc T. Duong et al.   ADVANCED MATERIALS

Reducing burn-in voltage loss in polymer solar cells by increasing the polymer crystallinity

(2014) Thomas Heumueller et al.   Energy & Environmental Science

Semi-crystalline photovoltaic polymers with efficiency exceeding 9% in a ∼300 nm thick conventional single-cell device

(2014) T. L. Nguyen et al.   Energy & Environmental Science

Enhanced Charge-Carrier Injection and Collection Via Lamination of Doped Polymer Layers p-Doped with a Solution-Processible Molybdenum Complex

(2013) An Dai et al.   ADVANCED FUNCTIONAL MATERIALS

Molecular Doping Enhances Photoconductivity in Polymer Bulk Heterojunction Solar Cells

(2013) Yuan Zhang et al.   ADVANCED MATERIALS

25th Anniversary Article: Bulk Heterojunction Solar Cells: Understanding the Mechanism of Operation

(2013) Alan J. Heeger   ADVANCED MATERIALS

Interpreting the Density of States Extracted from Organic Solar Cells Using Transient Photocurrent Measurements

(2013) Roderick C. I. MacKenzie et al.   Journal of Physical Chemistry C

Mechanistic Study on the Solution-Phase n-Doping of 1,3-Dimethyl-2-aryl-2,3-dihydro-1H-benzoimidazole Derivatives

(2013) Benjamin D. Naab et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

The chemical and structural origin of efficient p-type doping in P3HT

(2013) Duc T. Duong et al.   ORGANIC ELECTRONICS

Comprehensive picture ofp-type doping of P3HT with the molecular acceptor F4TCNQ

(2013) P. Pingel et al.   PHYSICAL REVIEW B

Moderate doping leads to high performance of semiconductor/insulator polymer blend transistors

(2013) Guanghao Lu et al.   Nature Communications

Balanced Carrier Mobilities: Not a Necessary Condition for High-Efficiency Thin Organic Solar Cells as Determined by MIS-CELIV

(2013) Ardalan Armin et al.   Advanced Energy Materials

Influence of doping on charge carrier collection in normal and inverted geometry polymer:fullerene solar cells

(2013) George F. A. Dibb et al.   Scientific Reports

Sensitivity of the Mott–Schottky Analysis in Organic Solar Cells

(2012) Thomas Kirchartz et al.   Journal of Physical Chemistry C

Bulk Heterojunction versus Diffused Bilayer: The Role of Device Geometry in Solution p-Doped Polymer-Based Solar Cells

(2012) Anna Loiudice et al.   Journal of Physical Chemistry Letters

Unification of trap-limited electron transport in semiconducting polymers

(2012) H. T. Nicolai et al.   NATURE MATERIALS

Active layer thickness effect on the recombination process of PCDTBT:PC71BM organic solar cells

(2012) Gon Namkoong et al.   ORGANIC ELECTRONICS

Doping of organic semiconductors

(2012) B. Lüssem et al.   PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE

Ultralow Doping in Organic Semiconductors: Evidence of Trap Filling

(2012) Selina Olthof et al.   PHYSICAL REVIEW LETTERS

Doping-Induced Screening of the Built-in-Field in Organic Solar Cells: Effect on Charge Transport and Recombination

(2012) Ardalan Armin et al.   Advanced Energy Materials

Relation of open circuit voltage to charge carrier density in organic bulk heterojunction solar cells

(2011) Daniel Rauh et al.   APPLIED PHYSICS LETTERS

Investigation of charge carriers transport from extraction current transients of injected charge carriers

(2011) G. Juška et al.   JOURNAL OF NON-CRYSTALLINE SOLIDS

Molecular doping of low-bandgap-polymer:fullerene solar cells: Effects on transport and solar cells

(2011) Ali Veysel Tunc et al.   ORGANIC ELECTRONICS

Modeling space-charge-limited currents in organic semiconductors: Extracting trap density and mobility

(2011) Javier Dacuña et al.   PHYSICAL REVIEW B

Effect of doping on performance of organic solar cells

(2011) V. A. Trukhanov et al.   PHYSICAL REVIEW B

Localized state distribution and its effect on recombination in organic solar cells

(2011) R. A. Street   PHYSICAL REVIEW B

Reduced Charge Transfer Exciton Recombination in Organic Semiconductor Heterojunctions by Molecular Doping

(2011) Felix Deschler et al.   PHYSICAL REVIEW LETTERS

Morphology-Dependent Trap Formation in High Performance Polymer Bulk Heterojunction Solar Cells

(2011) Zach M. Beiley et al.   Advanced Energy Materials

Highly doped layers as efficient electron–hole recombination contacts for tandem organic solar cells

(2010) Ronny Timmreck et al.   JOURNAL OF APPLIED PHYSICS

Oxygen doping of P3HT:PCBM blends: Influence on trap states, charge carrier mobility and solar cell performance

(2010) Julia Schafferhans et al.   ORGANIC ELECTRONICS

Relating the open-circuit voltage to interface molecular properties of donor:acceptor bulk heterojunction solar cells

(2010) Koen Vandewal et al.   PHYSICAL REVIEW B

Charge extraction analysis of charge carrier densities in a polythiophene/fullerene solar cell: Analysis of the origin of the device dark current

(2008) C. G. Shuttle et al.   APPLIED PHYSICS LETTERS