Tetrathiafulvalene–oligofluorene star-shaped systems: new semiconductor materials for fluorescent moisture indicators

Abstract

Increased emission through the oxidation of tetrathiafulvalene redox-active centres in star-shaped oligofluorene structures.

Charge Transfer Metal‐Organic Framework Containing Redox‐Active TTF/NDI Units for Highly Efficient Near‐Infrared Photothermal Conversion

“…[7] Benefitting from NIR light's typical biological tissue penetration, low photodamage, and low optical scattering, NIR photothermal materials could also be useful in photothermal therapy, [8] diagnosis, [9] and photothermal imaging. [10] In order to pursue high-performance NIR photothermal conversion materials, extensive efforts were made from two aspects: one is to enhance infrared absorption [11] by linking electron donors and acceptors covalently or expanding molecular conjugation length; [12] the other is to restrain the radiative transition process through increasing the concentration of free radicals or enhancing the quenching effect. [13] MOFs could achieve these two requirements simultaneously as good candidates for NIR photothermal conversion materials.…”

Star-shaped oligofluorene truxene macromolecules – synthesis and properties as a function of alkyl chain length

“…41 The TMS-capped oligofluorene arm precursors have been exploited for the design of star-shaped oligofluorenedithienotetrathiafulvalene systems. 51 The fluoreneboronic F1 B and F1 O acids were coupled via the Suzuki protocol with 2,7-dibromo-9,9dialkylfluorene derivatives (4 B and 4 O respectively), affording the next generation of 2-bromooligofluorenes, 5 B and 5 O, in high yields. The following steps involved repetitive lithiation-boronation sequences, yielding the boronic acids F2, F3 and F4 and converting the boronic acids F2 and F3 into the corresponding elongated 2-bromo-oligofluorenes via palladium-catalyzed Suzuki cross-coupling with 4.…”

p-Thiocresol Functionalized Cesium Lead Bromide (PTC@CsPbBr3): A Fluorometric Sensing Probe for the Detection of Cholesterol

“…In the past decade, several fluorescent sensors based on metallic semiconductor nanoparticles and carbon-based particles have gained much attention due to their optical, low-cost, biocompatibility, photostability, and fluorescent properties. − In addition, those materials can be prepared in a low-cost method and exhibit a rapid detection time. In that context, fluorescent sensing methods have been used to detect several analytes such as explosives, pesticides, biomolecules, etc .…”