Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Branched Alkoxy Side Chain Enables High-Performance Non-Fullerene Acceptors with High Open-Circuit Voltage and Highly Ordered Molecular Packing

Journal Article · · Chemistry of Materials
 [1];  [1];  [2];  [1];  [1];  [1];  [3];  [1];  [4];  [2];  [5]
  1. Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & Reconstruction, Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong 999077, ChinaHong Kong
  2. Department of Physics and Organic and Carbon Electronics Laboratories (ORaCEL), North Carolina State University, Raleigh, North Carolina 27695, United States
  3. Hong Kong University of Science and Technology (HKUST), Fok Ying Tung Research Institute, Guangzhou 511458, China
  4. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  5. Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & Reconstruction, Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong 999077, ChinaHong Kong; Hong Kong University of Science and Technology-Shenzhen Research Institute, No. 9, Yuexing 1st RD, Hi-tech Park, Nanshan, Shenzhen 518057, China; Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology (SCUT), Guangzhou 510640, China
Not provided.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
OSTI ID:
1981824
Journal Information:
Chemistry of Materials, Journal Name: Chemistry of Materials Journal Issue: 5 Vol. 34; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English

References (71)

Open-circuit voltage of organic solar cells: Effect of energetically and spatially nonuniform distribution of molecular energy levels in the photoactive layer journal December 2020
A SAXS/WAXS/GISAXS Beamline with Multilayer Monochromator journal October 2010
Tuning the dipole moments of nonfullerene acceptors with an asymmetric terminal strategy for highly efficient organic solar cells journal January 2019
Solution‐Processed Organic Solar Cells with High Open‐Circuit Voltage of 1.3 V and Low Non‐Radiative Voltage Loss of 0.16 V journal August 2020
An Electron Acceptor Challenging Fullerenes for Efficient Polymer Solar Cells journal January 2015
Systematically Controlling Acceptor Fluorination Optimizes Hierarchical Morphology, Vertical Phase Separation, and Efficiency in Non‐Fullerene Organic Solar Cells journal November 2021
Trifluoromethylation Enables a 3D Interpenetrated Low-Band-Gap Acceptor for Efficient Organic Solar Cells journal March 2020
Material insights and challenges for non-fullerene organic solar cells based on small molecular acceptors journal July 2018
Nonfullerene Acceptors with Enhanced Solubility and Ordered Packing for High-Efficiency Polymer Solar Cells journal July 2018
Alkyl chain engineering of chlorinated acceptors for elevated solar conversion journal January 2020
Altering the Positions of Chlorine and Bromine Substitution on the End Group Enables High‐Performance Acceptor and Efficient Organic Solar Cells journal October 2020
Next-generation organic photovoltaics based on non-fullerene acceptors journal February 2018
A Well‐Mixed Phase Formed by Two Compatible Non‐Fullerene Acceptors Enables Ternary Organic Solar Cells with Efficiency over 18.6% journal July 2021
Reducing the efficiency–stability–cost gap of organic photovoltaics with highly efficient and stable small molecule acceptor ternary solar cells journal November 2016
Resolving Atomic‐Scale Interactions in Nonfullerene Acceptor Organic Solar Cells with Solid‐State NMR Spectroscopy, Crystallographic Modelling, and Molecular Dynamics Simulations journal December 2021
Tuning the electron-deficient core of a non-fullerene acceptor to achieve over 17% efficiency in a single-junction organic solar cell journal January 2020
Understanding, quantifying, and controlling the molecular ordering of semiconducting polymers: from novices to experts and amorphous to perfect crystals journal January 2022
Recombination in polymer-fullerene bulk heterojunction solar cells journal December 2010
Achieving an Efficient and Stable Morphology in Organic Solar Cells Via Fine-Tuning the Side Chains of Small-Molecule Acceptors journal March 2020
Rational Tuning of Molecular Interaction and Energy Level Alignment Enables High‐Performance Organic Photovoltaics journal September 2019
Single-Component Non-halogen Solvent-Processed High-Performance Organic Solar Cell Module with Efficiency over 14% journal September 2020
Subtle Molecular Tailoring Induces Significant Morphology Optimization Enabling over 16% Efficiency Organic Solar Cells with Efficient Charge Generation journal December 2019
The Path to 20% Power Conversion Efficiencies in Nonfullerene Acceptor Organic Solar Cells journal December 2020
Random Polymerization Strategy Leads to a Family of Donor Polymers Enabling Well‐Controlled Morphology and Multiple Cases of High‐Performance Organic Solar Cells journal November 2020
Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells journal May 2021
Exceptionally low charge trapping enables highly efficient organic bulk heterojunction solar cells journal January 2020
Over 17% Efficiency Binary Organic Solar Cells with Photoresponses Reaching 1000 nm Enabled by Selenophene-Fused Nonfullerene Acceptors journal November 2020
Efficient Organic Solar Cells from Molecular Orientation Control of M-Series Acceptors journal January 2021
Efficient Semitransparent Organic Solar Cells with Tunable Color enabled by an Ultralow-Bandgap Nonfullerene Acceptor journal October 2017
Origin of the light intensity dependence of the short-circuit current of polymer/fullerene solar cells journal November 2005
Enhanced hindrance from phenyl outer side chains on nonfullerene acceptor enables unprecedented simultaneous enhancement in organic solar cell performances with 16.7% efficiency journal October 2020
Asymmetric Alkoxy and Alkyl Substitution on Nonfullerene Acceptors Enabling High‐Performance Organic Solar Cells journal November 2020
Crystallography, Morphology, Electronic Structure, and Transport in Non-Fullerene/Non-Indacenodithienothiophene Polymer:Y6 Solar Cells journal July 2020
A Non-fullerene Acceptor with Enhanced Intermolecular π-Core Interaction for High-Performance Organic Solar Cells journal August 2020
Low-Bandgap Non-fullerene Acceptors Enabling High-Performance Organic Solar Cells journal January 2021
Bandgap Tailored Nonfullerene Acceptors for Low-Energy-Loss Near-Infrared Organic Photovoltaics journal March 2020
Selenium Heterocyclic Electron Acceptor with Small Urbach Energy for As-Cast High-Performance Organic Solar Cells journal October 2020
Importance of Terminal Group Pairing of Polymer Donor and Small‐Molecule Acceptor in Optimizing Blend Morphology and Voltage Loss of High‐Performance Solar Cells journal April 2021
A Simple n-Dopant Derived from Diquat Boosts the Efficiency of Organic Solar Cells to 18.3% journal October 2020
Noncovalently fused-ring electron acceptors with near-infrared absorption for high-performance organic solar cells journal July 2019
Delocalization of exciton and electron wavefunction in non-fullerene acceptor molecules enables efficient organic solar cells journal August 2020
Understanding the High Performance of over 15% Efficiency in Single‐Junction Bulk Heterojunction Organic Solar Cells journal October 2019
Optimized Active Layer Morphologies via Ternary Copolymerization of Polymer Donors for 17.6 % Efficiency Organic Solar Cells with Enhanced Fill Factor journal December 2020
Long-range exciton diffusion in molecular non-fullerene acceptors journal October 2020
Organic photovoltaic cell with 17% efficiency and superior processability journal December 2019
Head-to-Head Linkage Containing Bithiophene-Based Polymeric Semiconductors for Highly Efficient Polymer Solar Cells journal September 2016
Impact of symmetry-breaking of non-fullerene acceptors for efficient and stable organic solar cells journal January 2021
Soft x-ray scattering facility at the Advanced Light Source with real-time data processing and analysis journal April 2012
Asymmetric Acceptors with Fluorine and Chlorine Substitution for Organic Solar Cells toward 16.83% Efficiency journal April 2020
Effect of the chlorine substitution position of the end-group on intermolecular interactions and photovoltaic performance of small molecule acceptors journal January 2020
Incorporation of a Guaiacol‐Based Small Molecule Guest Donor Enables Efficient Nonfullerene Acceptor‐Based Ternary Organic Solar Cells journal August 2021
Fine-tuning of side-chain orientations on nonfullerene acceptors enables organic solar cells with 17.7% efficiency journal January 2021
Systematic Merging of Nonfullerene Acceptor π-Extension and Tetrafluorination Strategies Affords Polymer Solar Cells with >16% Efficiency journal April 2021
Single‐Junction Organic Photovoltaic Cells with Approaching 18% Efficiency journal March 2020
Fine-Tuning Energy Levels via Asymmetric End Groups Enables Polymer Solar Cells with Efficiencies over 17% journal June 2020
Side‐Chain Engineering on Y‐Series Acceptors with Chlorinated End Groups Enables High‐Performance Organic Solar Cells journal April 2021
Improved organic solar cell efficiency based on the regulation of an alkyl chain on chlorinated non-fullerene acceptors journal January 2020
Eco‐Compatible Solvent‐Processed Organic Photovoltaic Cells with Over 16% Efficiency journal August 2019
The role of bulk and interfacial morphology in charge generation, recombination, and extraction in non-fullerene acceptor organic solar cells journal January 2020
Alkyl Chain Tuning of Small Molecule Acceptors for Efficient Organic Solar Cells journal December 2019
Y6 and its derivatives: molecular design and physical mechanism journal July 2021
Regio‐Regular Polymer Acceptors Enabled by Determined Fluorination on End Groups for All‐Polymer Solar Cells with 15.2 % Efficiency journal March 2021
Exploiting Noncovalently Conformational Locking as a Design Strategy for High Performance Fused-Ring Electron Acceptor Used in Polymer Solar Cells journal February 2017
Moving Alkyl‐Chain Branching Point Induced a Hierarchical Morphology for Efficient All‐Small‐Molecule Organic Solar Cells journal September 2020
A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells journal January 2019
Non-fullerene acceptors with direct and indirect hexa-fluorination afford >17% efficiency in polymer solar cells journal January 2022
n-Type Molecular Photovoltaic Materials: Design Strategies and Device Applications journal May 2020
Incorporation of alkylthio side chains on benzothiadiazole-based non-fullerene acceptors enables high-performance organic solar cells with over 16% efficiency journal January 2020
Chemical Design Rules for Non‐Fullerene Acceptors in Organic Solar Cells journal October 2021
Alkoxy substitution on IDT-Series and Y-Series non-fullerene acceptors yielding highly efficient organic solar cells journal January 2021
17.1 %‐Efficient Eco‐Compatible Organic Solar Cells from a Dissymmetric 3D Network Acceptor journal December 2020