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The formation of a solution is an example of a spontaneous process, which is a process that occurs under specified conditions without energy from some external source.
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The free energy change associated with dissolving a solute in a liter of solvent is called the free energy of a solution, ΔGsolution. The overall ΔGsolution is expressed as the balance of ΔGinteraction against the always-favorable free-energy of mixing, ΔGmixing. Solution formation is favorable if  ΔGsolution is less than zero, whereas it is unfavorable if ΔGsolution is greater than zero. In short, for a solution to form and complete dissolution to take place,...
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Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
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The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ...
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The formation of a solution is an example of a spontaneous process, a process that occurs under specified conditions without energy from some external source.
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Lower Critical Solution Temperature Active Supramolecular π-Systems for Smart Applications.

Dipak Patra1,2, Rahul Dev Mukhopadhyay3, Ayyappanpillai Ajayaghosh1,2,3

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Researchers are developing smart materials that change with temperature. π-Conjugated systems exhibiting lower critical solution temperature (LCST) are key for applications like smart windows and nanothermometers.

Keywords:
Lower critical solution temperatureSelf‐AssemblySmart materialsStimuli‐responsiveThermoresponsive

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Area of Science:

  • Material Science
  • Supramolecular Chemistry
  • Polymer Science

Background:

  • Stimuli-responsive supramolecular systems are crucial for advanced smart applications.
  • Thermal response, specifically lower critical solution temperature (LCST), is a key characteristic of many macromolecular and supramolecular systems.
  • π-Conjugated molecules offer unique electronic and optical properties sensitive to temperature, making them ideal for LCST materials.

Purpose of the Study:

  • To review the development and applications of LCST-active supramolecular π-systems.
  • To highlight the exploitation of LCST properties in π-conjugated materials for smart applications.
  • To discuss the future potential and challenges in this field.

Main Methods:

  • Review of existing literature on LCST phenomena in supramolecular systems.
  • Analysis of π-conjugated molecules as building blocks for LCST materials.
  • Exploration of applications such as smart windows and nanothermometers.

Main Results:

  • Amphiphilic π-systems demonstrate tunable LCST behavior.
  • These materials enable the creation of dynamic and adaptive systems.
  • Successful application in areas like smart windows and nanothermometers has been demonstrated.

Conclusions:

  • Supramolecular π-systems are highly promising for developing advanced smart materials.
  • Further research into these systems can unlock new functionalities and applications.
  • Addressing current challenges will pave the way for broader technological integration.