Hakan Usta
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View article: Labyrinthine Microstructures with a High Dipole Moment Boron Complex for Molecular Physically Unclonable Functions
Labyrinthine Microstructures with a High Dipole Moment Boron Complex for Molecular Physically Unclonable Functions Open
The design and development of novel molecular-physically unclonable functions (PUFs) with advanced encoding characteristics and ease of fabrication have recently attracted attention in cryptography, secure authentication, and anticounterfe…
View article: Achieving Extreme Solubility and Green Solvent-Processed Organic Field-Effect Transistors: A Viable Asymmetric Functionalization of [1]Benzothieno[3,2-<i>b</i>][1]benzothiophenes
Achieving Extreme Solubility and Green Solvent-Processed Organic Field-Effect Transistors: A Viable Asymmetric Functionalization of [1]Benzothieno[3,2-<i>b</i>][1]benzothiophenes Open
Novel structural engineering strategies for solubilizing high-mobility semiconductors are critical, which enables green solvent processing for eco-friendly, sustainable device fabrication, and unique molecular properties. Here, we introduc…
View article: N‐Type Molecular Thermoelectrics Based on Solution‐Doped Indenofluorene‐Dimalononitrile: Simultaneous Enhancement of Doping Level and Molecular Order
N‐Type Molecular Thermoelectrics Based on Solution‐Doped Indenofluorene‐Dimalononitrile: Simultaneous Enhancement of Doping Level and Molecular Order Open
The development of n‐type organic thermoelectric materials, especially π‐conjugated small molecules, lags far behind their p‐type counterparts, due primarily to the scarcity of efficient electron‐transporting molecules and the typically lo…
View article: Inkjet Printing of Aqueous Silver Inks on Water-Soluble Fabrics for Transient Electronics Applications
Inkjet Printing of Aqueous Silver Inks on Water-Soluble Fabrics for Transient Electronics Applications Open
There is an urgent need to develop practical routes for manufacturing transient electronic devices to tackle the emerging issue of electronic waste and enable next-generation devices. This study reports additive patterning of conductive la…
View article: The Hansen solubility approach towards green solvent processing: n-channel organic field-effect transistors under ambient conditions
The Hansen solubility approach towards green solvent processing: n-channel organic field-effect transistors under ambient conditions Open
This paper demonstrates a rational Hansen solubility approach for the development of green solvent processing in ambient-stable n-channel OFETs. Unique thermodynamic findings are revealed for molecular semiconductors.
View article: Solution-Processable Indenofluorenes on Polymer Brush Interlayer: Remarkable N-Channel Field-Effect Transistor Characteristics under Ambient Conditions
Solution-Processable Indenofluorenes on Polymer Brush Interlayer: Remarkable N-Channel Field-Effect Transistor Characteristics under Ambient Conditions Open
The development of solution-processable n-type molecular semiconductors that exhibit high electron mobility (μe ≥ 0.5 cm2/(V·s)) under ambient conditions, along with high current modulation (Ion/Ioff ≥ 106-107) and near-zero turn on voltag…
View article: Dynamic Tuning of Plasmonic Hot‐Spot Generation through Cilia‐Inspired Magnetic Actuators
Dynamic Tuning of Plasmonic Hot‐Spot Generation through Cilia‐Inspired Magnetic Actuators Open
Soft actuators that draw inspiration from nature are powerful and versatile tools for both technological applications and fundamental research, yet their use in hot‐spot engineering is very limited. Conventional hot‐spot engineering method…
View article: Revisiting the Role of Charge Transfer in the Emission Properties of Carborane–Fluorophore Systems: A TDDFT Investigation
Revisiting the Role of Charge Transfer in the Emission Properties of Carborane–Fluorophore Systems: A TDDFT Investigation Open
In this study, we performed a detailed investigation of the S1 potential energy surface (PES) of o-carborane-anthracene (o-CB-Ant) with respect to the C-C bond length on o-CB and the dihedral angle between o-CB and Ant moieties. The effect…
View article: Meso-π-Extended/Deficient BODIPYs and Low-Band-Gap Donor–Acceptor Copolymers for Organic Optoelectronics
Meso-π-Extended/Deficient BODIPYs and Low-Band-Gap Donor–Acceptor Copolymers for Organic Optoelectronics Open
The realization of π-deficient acceptors and their donor–acceptor copolymers has become a key research focus for the realization of versatile organic optoelectronic materials and devices. Herein, we demonstrate the theoretical design, synt…
View article: Interplay between Charge Injection, Electron Transport, and Quantum Efficiency in Ambipolar Trilayer Organic Light‐Emitting Transistors
Interplay between Charge Injection, Electron Transport, and Quantum Efficiency in Ambipolar Trilayer Organic Light‐Emitting Transistors Open
The fascinating characteristic of organic light‐emitting transistors (OLETs) of being electrical switches with an intrinsic light‐emitting capability makes them attractive candidates for a wide variety of applications, ranging from sensors…
View article: A dopant-free 2,7-dioctyl[1]benzothieno[3,2-<i>b</i>][1]benzothiophene (C8-BTBT)-based hole transporting layer for highly stable perovskite solar cells with efficiency over 22%
A dopant-free 2,7-dioctyl[1]benzothieno[3,2-<i>b</i>][1]benzothiophene (C8-BTBT)-based hole transporting layer for highly stable perovskite solar cells with efficiency over 22% Open
Herein, we have demonstrated n–i–p PSCs with an efficiency of 22.45% and high thermal stability using dopant-free 2,7-dioctyl[1]benzothieno[3,2- b ][1]benzothiophene (C8-BTBT) as the solution-processed hole transporting layer (HTL).
View article: Enabling three-dimensional porous architectures via carbonyl functionalization and molecular-specific organic-SERS platforms
Enabling three-dimensional porous architectures via carbonyl functionalization and molecular-specific organic-SERS platforms Open
Molecular engineering via functionalization has been a great tool to tune noncovalent intermolecular interactions. Herein, we demonstrate three-dimensional highly crystalline nanostructured D(C 7 CO)-BTBT films via carbonyl-functionalizati…
View article: CCDC 1435038: Experimental Crystal Structure Determination
CCDC 1435038: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Cover Feature: A Solution‐Processable <i>meso</i>‐Phenyl‐BODIPY‐Based <i>n</i>‐Channel Semiconductor with Enhanced Fluorescence Emission (ChemPlusChem 9/2019)
Cover Feature: A Solution‐Processable <i>meso</i>‐Phenyl‐BODIPY‐Based <i>n</i>‐Channel Semiconductor with Enhanced Fluorescence Emission (ChemPlusChem 9/2019) Open
The cover feature shows the delicate balance between locally excited (LE) and twisted intramolecular charge-transfer (TICT) states, which could be controlled by solvent polarity and nano-aggregation, of a meso-phenyl-BODIPY-based fluoresce…
View article: Organic Electronics: Semiconducting Copolymers Based on <i>meso</i>‐Substituted BODIPY for Inverted Organic Solar Cells and Field‐Effect Transistors (Adv. Electron. Mater. 10/2018)
Organic Electronics: Semiconducting Copolymers Based on <i>meso</i>‐Substituted BODIPY for Inverted Organic Solar Cells and Field‐Effect Transistors (Adv. Electron. Mater. 10/2018) Open
The study demonstrates the molecular design, development, and optoelectronic characterizations of a low band gap polymer with a record high performance in boron-containing inverted bulk-heterojunction organic photovoltaics. The results pre…
View article: The design and fabrication of supramolecular semiconductor nanowires formed by benzothienobenzothiophene (BTBT)-conjugated peptides
The design and fabrication of supramolecular semiconductor nanowires formed by benzothienobenzothiophene (BTBT)-conjugated peptides Open
Self-assembled peptide nanostructures containing π-Conjugated small molecules based on a [1]benzothieno [3,2-b]benzothiophene (BTBT) unit are shown as solution-processable semiconducting materials for potential use in tissue engineering, b…
View article: CCDC 1482958: Experimental Crystal Structure Determination
CCDC 1482958: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 981028: Experimental Crystal Structure Determination
CCDC 981028: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1498639: Experimental Crystal Structure Determination
CCDC 1498639: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …