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Title: Synergistic effects of chlorination and a fully two-dimensional side-chain design on molecular energy level modulation toward non-fullerene photovoltaics

Journal Article · · Journal of Materials Chemistry. A
DOI:https://doi.org/10.1039/c7ta09837e· OSTI ID:1425253
 [1];  [2];  [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [2]
  1. Southern Univ. of Science and Technology, Shenzhen (China). Dept. of Chemistry; Peking Univ., Shenzhen (China). Shenzhen Graduate School, and School of Advanced Materials
  2. Southern Univ. of Science and Technology, Shenzhen (China). Dept. of Chemistry
  3. Peking Univ., Shenzhen (China). Shenzhen Graduate School, and School of Advanced Materials
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Chicago, IL (United States). Inst. for Molecular Engineering
+ Show Author Affiliations

By taking the advantage of chlorination and fully conjugated side chains,2D-PBTClshows a PCE of up to 8.81% in non-fullerene solar cells, which corresponds to an approximately 28% improvement compared to that ofPTB7-Th-based devices.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1425253
Journal Information:
Journal of Materials Chemistry. A, Vol. 6, Issue 7; ISSN 2050-7488
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 32 works
Citation information provided by
Web of Science

References (44)

Fine Tuning of Open-Circuit Voltage by Chlorination in Thieno[3,4- b ]thiophene–Benzodithiophene Terpolymers toward Enhanced Solar Energy Conversion journal June 2017
PBDT-TSR: a highly efficient conjugated polymer for polymer solar cells with a regioregular structure journal January 2016
Highly Efficient 2D-Conjugated Benzodithiophene-Based Photovoltaic Polymer with Linear Alkylthio Side Chain journal June 2014
Polymer Acceptor Based on Double B←N Bridged Bipyridine (BNBP) Unit for High-Efficiency All-Polymer Solar Cells journal May 2016
Design and Synthesis of Chlorinated Benzothiadiazole-Based Polymers for Efficient Solar Energy Conversion journal March 2017
Acceptor End-Capped Oligomeric Conjugated Molecules with Broadened Absorption and Enhanced Extinction Coefficients for High-Efficiency Organic Solar Cells journal May 2016
Molecular Design of Benzodithiophene-Based Organic Photovoltaic Materials journal June 2016
Ternary-Blend Polymer Solar Cells Combining Fullerene and Nonfullerene Acceptors to Synergistically Boost the Photovoltaic Performance journal September 2016
Development of Highly Crystalline Donor–Acceptor-Type Random Polymers for High Performance Large-Area Organic Solar Cells journal September 2017
Side-Chain Engineering for Enhancing the Properties of Small Molecule Solar Cells: A Trade-off Beyond Efficiency journal May 2016
An All-Solution Processed Recombination Layer with Mild Post-Treatment Enabling Efficient Homo-Tandem Non-fullerene Organic Solar Cells journal December 2016
Over 11% Efficiency in Tandem Polymer Solar Cells Featured by a Low-Band-Gap Polymer with Fine-Tuned Properties journal May 2016
Simultaneous Increase in Open-Circuit Voltage and Efficiency of Fullerene-Free Solar Cells through Chlorinated Thieno[3,4- b ]thiophene Polymer Donor journal August 2017
High-Performance Solution-Processed Non-Fullerene Organic Solar Cells Based on Selenophene-Containing Perylene Bisimide Acceptor journal December 2015
Halogenated Materials as Organic Semiconductors † journal February 2011
Effect of Alkyl Side Chains of Conjugated Polymer Donors on the Device Performance of Non-Fullerene Solar Cells journal August 2016
A chlorinated phenazine-based donor–acceptor copolymer with enhanced photovoltaic performance journal January 2014
Chlorination: A General Route toward Electron Transport in Organic Semiconductors journal March 2009
An Easy and Effective Method to Modulate Molecular Energy Level of the Polymer Based on Benzodithiophene for the Application in Polymer Solar Cells journal December 2013
Ternary D1–D2–A–D2 Structured Conjugated Polymer: Efficient “Green” Solvent-Processed Polymer/Neat-C 70 Solar Cells journal October 2016
Side-Chain Isomerization on an n-type Organic Semiconductor ITIC Acceptor Makes 11.77% High Efficiency Polymer Solar Cells journal November 2016
Series of Multifluorine Substituted Oligomers for Organic Solar Cells with Efficiency over 9% and Fill Factor of 0.77 by Combination Thermal and Solvent Vapor Annealing journal June 2016
Materials Design via Optimized Intramolecular Noncovalent Interactions for High-Performance Organic Semiconductors journal March 2016
Highly Efficient Fullerene-Free Polymer Solar Cells Fabricated with Polythiophene Derivative journal September 2016
Synergistic Effect of Fluorination on Molecular Energy Level Modulation in Highly Efficient Photovoltaic Polymers journal November 2013
Chlorination of Low-Band-Gap Polymers: Toward High-Performance Polymer Solar Cells journal March 2017
Surprising Effects upon Inserting Benzene Units into a Quaterthiophene-Based D-A Polymer-Improving Non-Fullerene Organic Solar Cells via Donor Polymer Design journal January 2017
Fullerene Derivative-Doped Zinc Oxide Nanofilm as the Cathode of Inverted Polymer Solar Cells with Low-Bandgap Polymer (PTB7-Th) for High Performance journal August 2013
Covalently Bound Clusters of Alpha-Substituted PDI—Rival Electron Acceptors to Fullerene for Organic Solar Cells journal June 2016
Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells journal July 2016
High-Efficiency Nonfullerene Polymer Solar Cells with Medium Bandgap Polymer Donor and Narrow Bandgap Organic Semiconductor Acceptor journal July 2016
Fine-Tuned Photoactive and Interconnection Layers for Achieving over 13% Efficiency in a Fullerene-Free Tandem Organic Solar Cell journal May 2017
A Facile Planar Fused-Ring Electron Acceptor for As-Cast Polymer Solar Cells with 8.71% Efficiency journal February 2016
An Electron Acceptor Challenging Fullerenes for Efficient Polymer Solar Cells journal January 2015
For the Bright Future-Bulk Heterojunction Polymer Solar Cells with Power Conversion Efficiency of 7.4% journal May 2010
Molecular Design and Application of a Photovoltaic Polymer with Improved Optical Properties and Molecular Energy Levels journal May 2015
Achieving 12.8% Efficiency by Simultaneously Improving Open-Circuit Voltage and Short-Circuit Current Density in Tandem Organic Solar Cells journal May 2017
Highly Efficient Solar Cell Polymers Developed via Fine-Tuning of Structural and Electronic Properties journal June 2009
Efficient organic solar cells processed from hydrocarbon solvents journal January 2016
2D-Conjugated Benzodithiophene-Based Polymer Acceptor: Design, Synthesis, Nanomorphology, and Photovoltaic Performance journal September 2015
Synthesis of Fluorinated Polythienothiophene- co -benzodithiophenes and Effect of Fluorination on the Photovoltaic Properties journal February 2011
Effect of Halogenation in Isoindigo-Based Polymers on the Phase Separation and Molecular Orientation of Bulk Heterojunction Solar Cells journal August 2015
Organic Solar Cells Based on a 2D Benzo[1,2- b :4,5- b ′]difuran-Conjugated Polymer with High-Power Conversion Efficiency journal September 2015
Nonfullerene Tandem Organic Solar Cells with High Open-Circuit Voltage of 1.97 V journal September 2016

Cited By (5)

Design Principles and Synergistic Effects of Chlorination on a Conjugated Backbone for Efficient Organic Photovoltaics: A Critical Review journal February 2020
A Benzo[1,2‐ b :4,5‐ c ′]Dithiophene‐4,8‐Dione‐Based Polymer Donor Achieving an Efficiency Over 16% journal January 2020
Effect of chlorination and fluorination of benzothiadiazole on the performance of polymer solar cells journal February 2020
Carbon–oxygen-bridged hexacyclic non-fullerene acceptors with chlorinated end groups journal January 2019
Influence of the acceptor crystallinity on the open-circuit voltage in PTB7-Th: ITIC organic solar cells journal January 2019

Figures / Tables (10)

Scheme 1(p. 5)figure Scheme 1
Scheme 2(p. 6)figure Scheme 2
Figure 1(p. 7)figure Figure 1
Table 1(p. 8)table Table 1
Figure 2(p. 9)figure Figure 2
Figure 3(p. 10)figure Figure 3
Table 2(p. 12)table Table 2
Figure 4(p. 14)figure Figure 4
Figure 5(p. 14)figure Figure 5
Figure 6(p. 16)figure Figure 6

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Related Subjects

14 SOLAR ENERGY
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY