Harald Ade

A materials physics perspective on structure–processing–function relations in blends of organic semiconductors

Nature Reviews Materials.

Control of Host-Matrix Morphology Enables Efficient Deep-Blue Organic Light-Emitting Devices

Zhao, H., Kim, J., Ding, K., Jung, M., Li, Y., Ade, H., … Forrest, S. R. (2023, February 9). ADVANCED MATERIALS, Vol. 2.

Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells

FRONTIERS IN PLANT SCIENCE, 14.

Near-infrared absorbing acceptor with suppressed triplet exciton generation enabling high performance tandem organic solar cells

NATURE COMMUNICATIONS, 14(1).

Oligo(ethylene glycol) Side Chain Architecture Enables Alcohol-Processable Conjugated Polymers for Organic Solar Cells

MACROMOLECULES, 56(5), 2092–2103.

Unveiling re-entrant phase behavior and crystalline-amorphous interactions in semi-conducting polymer:small molecule blends

Peng, Z., & Ade, H. (2023, April 24). MATERIALS HORIZONS, Vol. 4.

16.52% Efficiency All-Polymer Solar Cells with High Tolerance of the Photoactive Layer Thickness

Zhang, W., Sun, C., Angunawela, I., Meng, L., Qin, S., Zhou, L., … Li, Y. (2022, April 17). ADVANCED MATERIALS, Vol. 4.

A Benzo[1,2-b:4,5-b']Difuran Based Donor Polymer Achieving High-Performance (>17%) Single-Junction Organic Solar Cells with a Fill Factor of 80.4%

Yi, J., Pan, M., Chen, L., Chen, Y., Angunawela, I. C., Luo, S., … Yan, H. (2022, July 19). ADVANCED ENERGY MATERIALS, Vol. 7.

A Top-Down Strategy to Engineer ActiveLayer Morphology for Highly Efficient and Stable All-Polymer Solar Cells

Fu, H., Peng, Z., Fan, Q., Lin, F. R., Qi, F., Ran, Y., … Jen, A. K.-Y. (2022, July 15). ADVANCED MATERIALS, Vol. 7.

Achieving 19% Power Conversion Efficiency in Planar-Mixed Heterojunction Organic Solar Cells Using a Pseudosymmetric Electron Acceptor

Gao, W., Qi, F., Peng, Z., Lin, F. R., Jiang, K., Zhong, C., … Jen, A. K.-Y. (2022, July 11). ADVANCED MATERIALS, Vol. 7.

Beyond energy balance in agrivoltaic food production: Emergent crop traits from wavelength-selective solar cells

Charles, M., Edwards, B., Ravishankar, E., Calero, J., Henry, R., Rech, J., … Sederoff, H. (2022, March 13).

Conjugated polymers with controllable interfacial order and energetics enable tunable heterojunctions in organic and colloidal quantum dot photovoltaics

Journal of Materials Chemistry A, 10(4), 1788–1801.

Importance of Electric-Field-Independent Mobilities in Thick-Film Organic Solar Cells

Ho, C. H. Y., Pei, Y., Qin, Y., Zhang, C., Peng, Z., Angunawela, I., … So, F. (2022, October 11). ACS APPLIED MATERIALS & INTERFACES, Vol. 10.

Low Voltage-Loss Organic Solar Cells Light the Way for Efficient Semitransparent Photovoltaics

Luginbuhl, B. R., Ko, S.-J., Ran, N. A., Hu, H., Becwar, S. M., Karki, A., … Nguyen, T.-Q. (2022, March 16). SOLAR RRL, Vol. 3.

Optimizing spectral and morphological match of nonfullerene acceptors toward efficient indoor organic photovoltaics with enhanced light source adaptability

NANO ENERGY, 98.

Organic solar powered greenhouse performance optimization and global economic opportunity

Ravishankar, E., Booth, R. E., Hollingsworth, J. A., Ade, H., Sederoff, H., DeCarolis, J. F., & Brendan T. O'Connor. (2022, March 10). ENERGY & ENVIRONMENTAL SCIENCE, Vol. 15.

Relating reorganization energies, exciton diffusion length and non-radiative recombination to the room temperature UV-vis absorption spectra of NF-SMA

Kashani, S., Wang, Z., Risko, C., & Ade, H. (2022, December 9). MATERIALS HORIZONS, Vol. 12.

Revealing aggregation of non-fullerene acceptors in intermixed phase by ultraviolet-visible absorption spectroscopy

CELL REPORTS PHYSICAL SCIENCE, 3(7).

Silver Nanowire Composite Electrode Enabling Highly Flexible, Robust Organic Photovoltaics

Booth, R. E., Schrickx, H. M., Hanby, G., Liu, Y., Qin, Y., Ade, H., … Brendan T. O'Connor. (2022, June 15). SOLAR RRL, Vol. 6.

Small-Molecule Acceptor with Unsymmetric Substituents and Fused Rings for High-Performance Organic Solar Cells with Enhanced Mobility and Reduced Energy Losses

Li, Z., Kong, X., Chen, Z., Angunawela, I., Zhu, H., Li, X., … Li, Y. (2022, November 9). ACS APPLIED MATERIALS & INTERFACES, Vol. 11.

Solid additive tuning of polymer blend morphology enables non-halogenated-solvent all-polymer solar cells with an efficiency of over 17%

Hu, K., Zhu, C., Ding, K., Qin, S., Lai, W., Du, J., … Li, Y. (2022, August 12). ENERGY & ENVIRONMENTAL SCIENCE, Vol. 8.

Suppressed recombination loss in organic photovoltaics adopting a planar-mixed heterojunction architecture

NATURE ENERGY, 7(11), 1076–1086.

Ultrathin P(NDI2OD-T2) Films with High Electron Mobility in Both Bottom-Gate and Top-Gate Transistors

Steckmann, T., Angunawela, I., Kashani, S., Zhu, Y., Nahid, M. M., Ade, H., & Gadisa, A. (2022, March 2). ADVANCED ELECTRONIC MATERIALS, Vol. 3.

A Chlorinated Donor Polymer Achieving High-Performance Organic Solar Cells with a Wide Range of Polymer Molecular Weight

Zeng, A., Ma, X., Pan, M., Chen, Y., Ma, R., Zhao, H., … Yan, H. (2021, June 16). ADVANCED FUNCTIONAL MATERIALS, Vol. 6.

A Difluoro-Monobromo End Group Enables High-Performance Polymer Acceptor and Efficient All-Polymer Solar Cells Processable with Green Solvent under Ambient Condition

ADVANCED FUNCTIONAL MATERIALS, 31(25).

A History and Perspective of Non-Fullerene Electron Acceptors for Organic Solar Cells

[Review of ]. ADVANCED ENERGY MATERIALS, 11(15).

A molecular interaction-diffusion framework for predicting organic solar cell stability

NATURE MATERIALS, 20(4), 525-+.

Alkyl-Chain Branching of Non-Fullerene Acceptors Flanking Conjugated Side Groups toward Highly Efficient Organic Solar Cells

Zhang, J., Bai, F., Angunawela, I., Xu, X., Luo, S., Li, C., … Yan, H. (2021, October 29). ADVANCED ENERGY MATERIALS, Vol. 10.

Asymmetric Alkoxy and Alkyl Substitution on Nonfullerene Acceptors Enabling High-Performance Organic Solar Cells

ADVANCED ENERGY MATERIALS, 11(3).

Balancing crop production and energy harvesting in organic solar-powered greenhouses

CELL REPORTS PHYSICAL SCIENCE, 2(3).

Baseplate Temperature-Dependent Vertical Composition Gradient in Pseudo-Bilayer Films for Printing Non-Fullerene Organic Solar Cells

Zheng, Y., Sun, R., Zhang, M., Chen, Z., Peng, Z., Wu, Q., … Min, J. (2021, October 17). ADVANCED ENERGY MATERIALS, Vol. 10.

Carboxylate substituted pyrazine: A simple and low-cost building block for novel wide bandgap polymer donor enables 15.3% efficiency in organic solar cells

NANO ENERGY, 82.

Designing Simple Conjugated Polymers for Scalable and Efficient Organic Solar Cells

Rech, J. J., Neu, J., Qin, Y., Samson, S., Shanahan, J., Josey, R. F., III, … You, W. (2021, June 10). CHEMSUSCHEM, Vol. 6.

Effect of Palladium-Tetrakis(Triphenylphosphine) Catalyst Traces on Charge Recombination and Extraction in Non-Fullerene-based Organic Solar Cells

ADVANCED FUNCTIONAL MATERIALS, 31(15).

Functionalization of Benzotriazole-Based Conjugated Polymers for Solar Cells: Heteroatom vs Substituents

ACS APPLIED POLYMER MATERIALS, 3(1), 30–41.

High Miscibility Compatible with Ordered Molecular Packing Enables an Excellent Efficiency of 16.2% in All-Small-Molecule Organic Solar Cells

Zhang, L., Zhu, X., Deng, D., Wang, Z., Zhang, Z., Li, Y., … Wei, Z. (2021, December 13). ADVANCED MATERIALS, Vol. 12.

High performance tandem organic solar cells via a strongly infrared-absorbing narrow bandgap acceptor

NATURE COMMUNICATIONS, 12(1).

Insights into Bulk-Heterojunction Organic Solar Cells Processed from Green Solvent

Du, Z., Mainville, M., Vollbrecht, J., Dixon, A. L., Schopp, N., Schrock, M., … Nguyen, T.-Q. (2021, June 3). SOLAR RRL, Vol. 5.

Introducing Low-Cost Pyrazine Unit into Terpolymer Enables High-Performance Polymer Solar Cells with Efficiency of 18.23%

Zhou, L., Meng, L., Zhang, J., Zhu, C., Qin, S., Angunawela, I., … Li, Y. (2021, November 8). ADVANCED FUNCTIONAL MATERIALS, Vol. 11.

Modulation of Morphological, Mechanical, and Photovoltaic Properties of Ternary Organic Photovoltaic Blends for Optimum Operation

ADVANCED ENERGY MATERIALS, 11(8).

Non-fullerene acceptor organic photovoltaics with intrinsic operational lifetimes over 30 years

NATURE COMMUNICATIONS, 12(1).

Optically Probing Field-Dependent Charge Dynamics in Non-Fullerene Organic Photovoltaics with Small Interfacial Energy Offsets

JOURNAL OF PHYSICAL CHEMISTRY C, 125(3), 1714–1722.

Optimization of active layer morphology by small-molecule donor design enables over 15% efficiency in small-molecule organic solar cells

An, C., Qin, Y., Zhang, T., Lv, Q., Qin, J., Zhang, S., … Hou, J. (2021, April 28). JOURNAL OF MATERIALS CHEMISTRY A, Vol. 4.

Optimized Active Layer Morphologies via Ternary Copolymerization of Polymer Donors for 17.6 % Efficiency Organic Solar cells with Enhanced Fill Factor

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 60(5), 2322–2329.

Orientational Ordering within Semiconducting Polymer Fibrils

ADVANCED FUNCTIONAL MATERIALS, 31(28).

Polymerized small molecular acceptor based all-polymer solar cells with an efficiency of 16.16% via tuning polymer blend morphology by molecular design

NATURE COMMUNICATIONS, 12(1).

Pseudo-bilayer architecture enables high-performance organic solar cells with enhanced exciton diffusion length

NATURE COMMUNICATIONS, 12(1).

Reducing Energy Disorder of Hole Transport Layer by Charge Transfer Complex for High Performance p-i-n Perovskite Solar Cells

ADVANCED MATERIALS, 33(13).

Regio-Regular Polymer Acceptors Enabled by Determined Fluorination on End Groups for All-Polymer Solar Cells with 15.2 % Efficiency

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 60(18), 10137–10146.

Relationship between charge transfer state electroluminescence and the degradation of organic photovoltaics

APPLIED PHYSICS LETTERS, 118(6).

Resolving the Molecular Origin of Mechanical Relaxations in Donor-Acceptor Polymer Semiconductors

Balar, N., Rech, J. J., Siddika, S., Song, R., Schrickx, H. M., Sheikh, N., … Brendan T. O'Connor. (2021, October 8). ADVANCED FUNCTIONAL MATERIALS, Vol. 32.

Semi-paracrystallinity in semi-conducting polymers

Marina, S., Gutierrez-Fernandez, E., Gutierrez, J., Gobbi, M., Ramos, N., Solano, E., … Martin, J. (2021, December 15). MATERIALS HORIZONS, Vol. 12.

Silicon Phthalocyanines for n-Type Organic Thin-Film Transistors: Development of Structure-Property Relationships

ACS APPLIED ELECTRONIC MATERIALS, 3(1), 325–336.

Timescales of excited state relaxation in alpha-RuCl3 observed by time-resolved two-photon photoemission spectroscopy

PHYSICAL REVIEW B, 103(24).

Understanding, quantifying, and controlling the molecular ordering of semiconducting polymers: from novices to experts and amorphous to perfect crystals

Peng, Z., Ye, L., & Ade, H. (2021, December 1). MATERIALS HORIZONS, Vol. 12.

Upper and Apparent Lower Critical Solution Temperature Branches in the Phase Diagram of Polymer:Small Molecule Semiconducting Systems

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 12(44), 10845–10853.

3,4-Dicyanothiophene-a Versatile Building Block for Efficient Nonfullerene Polymer Solar Cells

ADVANCED ENERGY MATERIALS, 10(12).

A 3D nonfullerene electron acceptor with a 9,9 ' -bicarbazole backbone for high -efficiency organic solar cells

ORGANIC ELECTRONICS, 84.

Achieving Net Zero Energy Greenhouses by Integrating Semitransparent Organic Solar Cells

JOULE, 4(2), 490–506.

Asymmetrically noncovalently fused-ring acceptor for high-efficiency organic solar cells with reduced voltage loss and excellent thermal stability

NANO ENERGY, 74.

Balanced Charge Transport Optimizes Industry-Relevant Ternary Polymer Solar Cells

SOLAR RRL, 4(11).

Balanced Charge Transport Optimizes Industry‐Relevant Ternary Polymer Solar Cells

Solar RRL, 4(11), 2070111.

Color-neutral, semitransparent organic photovoltaics for power window applications

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 117(35), 21147–21154.

Critical Role of Polymer Aggregation and Miscibility in Nonfullerene-Based Organic Photovoltaics

ADVANCED ENERGY MATERIALS, 10(8).

Effect of main and side chain chlorination on the photovoltaic properties of benzodithiophene-alt-benzotriazole polymers

JOURNAL OF MATERIALS CHEMISTRY C, 8(43), 15426–15435.

Effect of the chlorine substitution position of the end-group on intermolecular interactions and photovoltaic performance of small molecule acceptors

ENERGY & ENVIRONMENTAL SCIENCE, 13(12), 5028–5038.

Effects of Short-Axis Alkoxy Substituents on Molecular Self-Assembly and Photovoltaic Performance of Indacenodithiophene-Based Acceptors

ADVANCED FUNCTIONAL MATERIALS, 30(3).

Efficient Energy Funneling in Quasi-2D Perovskites: From Light Emission to Lasing

ADVANCED MATERIALS, 32(16).

Enhanced hindrance from phenyl outer side chains on nonfullerene acceptor enables unprecedented simultaneous enhancement in organic solar cell performances with 16.7% efficiency

NANO ENERGY, 76.

Enhanced mid-wavelength infrared refractive index of organically modified chalcogenide (ORMOCHALC) polymer nanocomposites with thermomechanical stability

OPTICAL MATERIALS, 108.

Green solvent-processed organic solar cells based on a low cost polymer donor and a small molecule acceptor

JOURNAL OF MATERIALS CHEMISTRY C, 8(23), 7718–7724.

High-Performance All-Polymer Solar Cells: Synthesis of Polymer Acceptor by a Random Ternary Copolymerization Strategy

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 59(35), 15181–15185.

High-Performance Tandem Organic Solar Cells Using HSolar as the Interconnecting Layer

ADVANCED ENERGY MATERIALS, 10(25).

Impact of Isomer Design on Physicochemical Properties and Performance in High-Efficiency All-Polymer Solar Cells

MACROMOLECULES, 53(20), 9026–9033.

Long-range exciton diffusion in molecular non-fullerene acceptors

NATURE COMMUNICATIONS, 11(1).

Low Temperature Aggregation Transitions in N3 and Y6 Acceptors Enable Double-Annealing Method That Yields Hierarchical Morphology and Superior Efficiency in Nonfullerene Organic Solar Cells

ADVANCED FUNCTIONAL MATERIALS, 30(46).

Millimeter wave direct-current transmission and reflection spectral data of some organic photo-responsive materials

Roy, B., Knapp, T., Miller, C., Gadisa, A., Ade, H. W., & Wu, M. H. (2020, February). DATA IN BRIEF, Vol. 28.

Modulating Energy Level on an A-D-A '-D-A-Type Unfused Acceptor by a Benzothiadiazole Core Enables Organic Solar Cells with Simple Procedure and High Performance

SOLAR RRL, 4(11).

Morphological-Electrical Property Relation in Cu(In,Ga)(S,Se)(2) Solar Cells: Significance of Crystal Grain Growth and Band Grading by Potassium Treatment

SMALL, 16(48).

Near-infrared electron acceptors with fused nonacyclic molecular backbones for nonfullerene organic solar cells

MATERIALS CHEMISTRY FRONTIERS, 4(6), 1729–1738.

Optimization Requirements of Efficient Polythiophene:Nonfullerene Organic Solar Cells

JOULE, 4(6), 1278–1295.

Organic Solar Cells with Large Insensitivity to Donor Polymer Molar Mass across All Acceptor Classes

ACS APPLIED POLYMER MATERIALS, 2(11), 5300–5308.

Precise Control of Phase Separation Enables 12% Efficiency in All Small Molecule Solar Cells

ADVANCED ENERGY MATERIALS, 10(34).

Random Polymerization Strategy Leads to a Family of Donor Polymers Enabling Well-Controlled Morphology and Multiple Cases of High-Performance Organic Solar Cells

ADVANCED MATERIALS, 32(52).

Role of Secondary Thermal Relaxations in Conjugated Polymer Film Toughness

CHEMISTRY OF MATERIALS, 32(15), 6540–6549.

Selective Hole and Electron Transport in Efficient Quaternary Blend Organic Solar Cells

JOULE, 4(8), 1790–1805.

Side-chain engineering of medium bandgap polymer donors for efficient polymer solar cells

ORGANIC ELECTRONICS, 78.

Synergistic Use of Pyridine and Selenophene in a Diketopyrrolopyrrole-Based Conjugated Polymer Enhances the Electron Mobility in Organic Transistors

ADVANCED FUNCTIONAL MATERIALS, 30(34).

Tailoring non-fullerene acceptors using selenium-incorporated heterocycles for organic solar cells with over 16% efficiency

JOURNAL OF MATERIALS CHEMISTRY A, 8(45), 23756–23765.

The Role of Demixing and Crystallization Kinetics on the Stability of Non-Fullerene Organic Solar Cells

ADVANCED MATERIALS, 32(49).

The role of bulk and interfacial morphology in charge generation, recombination, and extraction in non-fullerene acceptor organic solar cells

ENERGY & ENVIRONMENTAL SCIENCE, 13(10), 3679–3692.

Thermodynamic Properties and Molecular Packing Explain Performance and Processing Procedures of Three D18:NFA Organic Solar Cells

ADVANCED MATERIALS, 32(49).

Unifying Charge Generation, Recombination, and Extraction in Low-Offset Non-Fullerene Acceptor Organic Solar Cells

ADVANCED ENERGY MATERIALS, 10(29).

A Printable Organic Cathode Interlayer Enables over 13% Efficiency for 1-cm(2) Organic Solar Cells

JOULE, 3(1), 227–239.

A decacyclic indacenodithiophene-based non-fullerene electron acceptor with meta-alkyl-phenyl substitutions for polymer solar cells

JOURNAL OF MATERIALS CHEMISTRY A, 7(8), 4063–4071.

Alkyl Chain Tuning of Small Molecule Acceptors for Efficient Organic Solar Cells

JOULE, 3(12), 3020–3033.

Aryl-Perfluoroaryl Interaction in Two-Dimensional Organic-Inorganic Hybrid Perovskites Boosts Stability and Photovoltaic Efficiency

ACS MATERIALS LETTERS, 1(1), 171–176.

Black phosphorus nanoflakes as morphology modifier for efficient fullerene-free organic solar cells with high fill-factor and better morphological stability

NANO RESEARCH, 12(4), 777–783.

Chlorinated Thiophene End Groups for Highly Crystalline Alkylated Non-Fullerene Acceptors toward Efficient Organic Solar Cells

CHEMISTRY OF MATERIALS, 31(17), 6672–6676.

Competition between Exceptionally Long-Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties

ADVANCED FUNCTIONAL MATERIALS, 29(5).

Conjugation-Curtailing of Benzodithionopyran-Cored Molecular Acceptor Enables Efficient Air-Processed Small Molecule Solar Cells

SMALL, 15(44).

Delineation of Thermodynamic and Kinetic Factors that Control Stability in Non-fullerene Organic Solar Cells

JOULE, 3(5), 1328–1348.

Dual Sensitizer and Processing-Aid Behavior of Donor Enables Efficient Ternary Organic Solar Cells

JOULE, 3(3), 846–857.

Effect of Cyano Substitution on Conjugated Polymers for Bulk Heterojunction Solar Cells

ACS APPLIED POLYMER MATERIALS, 1(12), 3313–3322.

Effect of Replacing Thiophene by Selenophene on the Photovoltaic Performance of Wide Bandgap Copolymer Donors

MACROMOLECULES, 52(12), 4776–4784.