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Controlling Local Order by Blending Conjugated Polymers with Ionic Liquids

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Controlling Local Order by Blending Conjugated Polymers with Ionic Liquids/ Linda Tian.
Author:	Tian, Linda,
Description:	1 electronic resource (76 pages)
Notes:	Source: Masters Abstracts International, Volume: 87-05.
Contained By:	Masters Abstracts International87-05.
Subject:	Polymer chemistry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=32309749
ISBN:	9798263344573

Controlling Local Order by Blending Conjugated Polymers with Ionic Liquids
Tian, Linda,

Controlling Local Order by Blending Conjugated Polymers with Ionic Liquids [electronic resource] /Linda Tian. - 1 electronic resource (76 pages)

Source: Masters Abstracts International, Volume: 87-05.

Blending conjugated polymers with ionic liquids (IL) is a promising method for controlling local order. This thesis investigates the effect of blending poly[2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene] (PBTTT-C14) with various imidazolium-based ionic liquids ([C12mim][TFSI], [C8mim][TFSI], and [C6mim][TFSI]) to control local order and enhance material functionality. Morphological, thermal, and optical characterizations were performed across a range of PBTTT:IL blending ratios, revealing the emergence of phase-separated morphologies at higher IL concentrations and shifts in thermal transition temperatures. UV-Vis spectroscopy demonstrated red-shifts and vibronic coupling enhancements, signifying tunable electronic properties. The introduction of vacuum compression molding into the differential scanning calorimetry sample preparation process improved thermal contact, enabling more precise analysis of phase transitions. From this work, findings suggest that the local order and optoelectronic properties can be finely tuned through the blending process as well as through IL selection and concentration, offering insights into the design of advanced materials for optoelectronic applications.

English

ISBN: 9798263344573Subjects--Topical Terms:

1182163
Polymer chemistry.

Controlling Local Order by Blending Conjugated Polymers with Ionic Liquids
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520 # $a Blending conjugated polymers with ionic liquids (IL) is a promising method for controlling local order. This thesis investigates the effect of blending poly[2,5-bis(3-tetradecylthiophen-2-yl)thieno[3,2-b]thiophene] (PBTTT-C14) with various imidazolium-based ionic liquids ([C12mim][TFSI], [C8mim][TFSI], and [C6mim][TFSI]) to control local order and enhance material functionality. Morphological, thermal, and optical characterizations were performed across a range of PBTTT:IL blending ratios, revealing the emergence of phase-separated morphologies at higher IL concentrations and shifts in thermal transition temperatures. UV-Vis spectroscopy demonstrated red-shifts and vibronic coupling enhancements, signifying tunable electronic properties. The introduction of vacuum compression molding into the differential scanning calorimetry sample preparation process improved thermal contact, enabling more precise analysis of phase transitions. From this work, findings suggest that the local order and optoelectronic properties can be finely tuned through the blending process as well as through IL selection and concentration, offering insights into the design of advanced materials for optoelectronic applications.
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