Jeromy James Rech
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View article: OSC-Net: a multi-fidelity machine learning model for organic solar cells
OSC-Net: a multi-fidelity machine learning model for organic solar cells Open
OSC-Net, a novel multi-fidelity machine learning framework, enables accurate prediction of organic solar cell (OSC) performance and accelerates OSC materials discovery.
View article: Molar Mass Thresholds in the Structural Behavior of Benzodithiophene-Based Semiconducting Polymers
Molar Mass Thresholds in the Structural Behavior of Benzodithiophene-Based Semiconducting Polymers Open
The performance of organic solar cells (OSCs) is tightly linked to the solid-state microstructure of their active layer components, particularly donor semiconducting polymers. Among these, benzodithiophene (BDT)-based polymers have gained …
View article: Exceptional Alignment in a Donor–Acceptor Conjugated Polymer via a Previously Unobserved Liquid Crystal Mesophase
Exceptional Alignment in a Donor–Acceptor Conjugated Polymer via a Previously Unobserved Liquid Crystal Mesophase Open
Orienting polymer semiconductors is desirable to optimize device characteristics, provide insight into microstructure, and magnify subtle phase behavior. Here, a combination of uniaxial strain and subsequent heating of the donor–acceptor (…
View article: Tuning the Mobility of Indacenodithiophene-Based Conjugated Polymers via Coplanar Backbone Engineering
Tuning the Mobility of Indacenodithiophene-Based Conjugated Polymers via Coplanar Backbone Engineering Open
Conjugated polymers based on indacenodithiophene-benzothiadiazole (IDT-BT) have attracted great interest due to their high charge carrier mobilities while being low crystallinity (i.e. near-amorphous.) They represent a promising design str…
View article: Exciton Binding Energy in Organic Polymers: Experimental Considerations and Tuning Prospects
Exciton Binding Energy in Organic Polymers: Experimental Considerations and Tuning Prospects Open
Discrepancies in reported values of exciton binding energy (E b ) for organic semiconductors (OSs) necessitate a comprehensive study. Traditionally, E b is defined as the difference between the transport gap (E t ) and the optical gap (E o…
View article: Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells
Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells Open
The integration of semi-transparent organic solar cells (ST-OSCs) in greenhouses offers new agrivoltaic opportunities to meet the growing demands for sustainable food production. The tailored absorption/transmission spectra of ST-OSCs impa…
View article: Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells
Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells Open
The integration of semi-transparent organic solar cells (ST-OSCs) in greenhouses offers new agrivoltaic opportunities to meet the growing demands for sustainable food production. The tailored absorption/transmission spectra of ST-OSCs impa…
View article: Beyond energy balance in agrivoltaic food production: Emergent crop traits from wavelength-selective solar cells
Beyond energy balance in agrivoltaic food production: Emergent crop traits from wavelength-selective solar cells Open
The integration of semi-transparent organic solar cells (ST-OSCs) in greenhouses offers new agrivoltaic opportunities to meet the growing demands for sustainable food production. The tailored absorption/transmission spectra of ST-OSCs impa…
View article: Bio-inspired spectropolarimetric sensor based on tandem organic photodetectors and multi-twist liquid crystals
Bio-inspired spectropolarimetric sensor based on tandem organic photodetectors and multi-twist liquid crystals Open
Simultaneous spectral and polarimetric imaging enables versatile detection and multimodal characterization of targets of interest. Current architectures incorporate a 2×2 pixel arrangement to acquire the full linear polarimetric informatio…
View article: Rational Design of Conjugated Polymers for Organic Solar Cells Based on Structure-Property Relationships
Rational Design of Conjugated Polymers for Organic Solar Cells Based on Structure-Property Relationships Open
Conjugated polymers have a long history of exploration and use in organic solar cells, and over the last twenty-five years, marked increases in the solar cell efficiency have been achieved. With the remarkable advances in the efficiency of…
View article: Common high-performance semiconducting polymers are not amorphous but semi-para-crystalline
Common high-performance semiconducting polymers are not amorphous but semi-para-crystalline Open
Precise determination of the solid-state microstructure of semiconducting polymers is of paramount importance for the further development of these materials in various organic electronic technologies. Yet, prior characterization of the ord…
View article: Mantis shrimp–inspired organic photodetector for simultaneous hyperspectral and polarimetric imaging
Mantis shrimp–inspired organic photodetector for simultaneous hyperspectral and polarimetric imaging Open
Semitransparent polarization-sensitive organic detectors reveal unprecedented degrees of freedom for multidimensional imaging.
View article: Balancing crop production and energy harvesting in organic solar-powered greenhouses
Balancing crop production and energy harvesting in organic solar-powered greenhouses Open
Adding semitransparent organic solar cells (ST-OSCs) to a greenhouse structure enables simultaneous plant cultivation and electricity generation, thereby reducing the greenhouse energy demand. However, there is a need to establish the impa…
View article: Aggregation Controlled Charge Generation in Fullerene Based Bulk Heterojunction Polymer Solar Cells: Effect of Additive
Aggregation Controlled Charge Generation in Fullerene Based Bulk Heterojunction Polymer Solar Cells: Effect of Additive Open
Optimization of charge generation in polymer blends is crucial for the fabrication of highly efficient polymer solar cells. While the impacts of the polymer chemical structure, energy alignment, and interface on charge generation have been…
View article: The Role of Demixing and Crystallization Kinetics on the Stability of Non‐Fullerene Organic Solar Cells
The Role of Demixing and Crystallization Kinetics on the Stability of Non‐Fullerene Organic Solar Cells Open
With power conversion efficiency now over 17%, a long operational lifetime is essential for the successful application of organic solar cells. However, most non‐fullerene acceptors can crystallize and destroy devices, yet the fundamental u…
View article: Pairing 1D/2D-conjugation donors/acceptors towards high-performance organic solar cells
Pairing 1D/2D-conjugation donors/acceptors towards high-performance organic solar cells Open
Two polymer donors, FTAZ and J71, and two fused-ring electron acceptors, ITIC1 and ITIC2, are used to investigate the effects of conjugation dimension on the performance of organic solar cells (OSCs). FTAZ and J71, and ITIC1 and ITIC2 shar…
View article: Competition between Exceptionally Long-Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties
Competition between Exceptionally Long-Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties Open
Intra‐ and intermolecular ordering greatly impacts the electronic and optoelectronic properties of semiconducting polymers. The interrelationship between ordering of alkyl sidechains and conjugated backbones has yet to be fully detailed, d…
View article: Highly Efficient, Stable, and Ductile Ternary Nonfullerene Organic Solar Cells from a Two‐Donor Polymer Blend
Highly Efficient, Stable, and Ductile Ternary Nonfullerene Organic Solar Cells from a Two‐Donor Polymer Blend Open
Organic solar cells (OSCs) are one of the most promising cost‐effective options for utilizing solar energy, and, while the field of OSCs has progressed rapidly in device performance in the past few years, the stability of nonfullerene OSCs…
View article: Synthesis of Photocatalytic Biomimetic Nanocomposite for Enhanced Water Purification
Synthesis of Photocatalytic Biomimetic Nanocomposite for Enhanced Water Purification Open
Clean and drinkable water is a critical necessity for all human and economic developments; unfortunately, millions of people do not have access to potable water, resulting in the death of over two million children every year. Over the past…
View article: The crucial role of end group planarity for fused-ring electron acceptors in organic solar cells
The crucial role of end group planarity for fused-ring electron acceptors in organic solar cells Open
Planar acceptor moieties in FREAs are necessary, as expanding the π–π stacking by only 1 Å disrupts the packing and decreases performance.
View article: Competition between Exceptionally Long‐Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties
Competition between Exceptionally Long‐Range Alkyl Sidechain Ordering and Backbone Ordering in Semiconducting Polymers and Its Impact on Electronic and Optoelectronic Properties Open
Intra‐ and intermolecular ordering greatly impacts the electronic and optoelectronic properties of semiconducting polymers. The interrelationship between ordering of alkyl sidechains and conjugated backbones has yet to be fully detailed, d…
View article: Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity
Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity Open
In this report, a high‐performance all‐polymer organic photodetector that is sensitive to linearly polarized light throughout the visible spectrum is demonstrated. The active layer is a bulk heterojunction composed of an electron donor pol…
View article: Revealing the Impact of F4‐TCNQ as Additive on Morphology and Performance of High‐Efficiency Nonfullerene Organic Solar Cells
Revealing the Impact of F4‐TCNQ as Additive on Morphology and Performance of High‐Efficiency Nonfullerene Organic Solar Cells Open
Fluorinated molecule 2,3,5,6‐tetrafluoro‐7,7,8,8‐tetracyanoquinodimethane (F4‐TCNQ) and its derivatives have been used in polymer:fullerene solar cells primarily as a dopant to optimize the electrical properties and device performance. How…
View article: A Fused Ring Electron Acceptor with Decacyclic Core Enables over 13.5% Efficiency for Organic Solar Cells
A Fused Ring Electron Acceptor with Decacyclic Core Enables over 13.5% Efficiency for Organic Solar Cells Open
Extending π‐conjugation of donor units in fused ring electron acceptors (FREAs) promises to reinforce intramolecular charge transfer for smaller bandgaps, and enhances intermolecular interactions for higher charge mobility. Despite these a…