Aggregation-induced emission nanofiber as a dual sensor for aromatic amine and acid vapor

Xue, Pengchong; Ding, Jipeng; Shen, Yanbing; Gao, Hongqiang; Zhao, Jinyu; Sun, Jingbo; Lu, Ran

doi:10.1039/c7tc03192k

Cited by 65 publications

(40 citation statements)

References 69 publications

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“…Figure 3c also indicates that the Δ I / I 0 has a slight increase during increasing the partial pressure of acetone in the case of PES/Ph 3 A 2 microwires. Moreover, sensor response time at different concentration of acetone vapor was measured by in situ PL spectrum 37 . The result indicates the sensor response times are 1.89 s, 2.08 s, 2.14 s, and 2.26 s for 25%, 50%, 75%, and 100% of acetone vapor concentration, respectively (Supplementary Fig.…”

Section: Resultsmentioning

confidence: 99%

Highly-sensitive optical organic vapor sensor through polymeric swelling induced variation of fluorescent intensity

et al. 2018

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Traditional optical organic vapor sensors with solvatochromic shift mechanisms have lower sensitivity due to weak intermolecular interactions. Here, we report a general strategy to prepare a higher sensitivity optical organic vapor sensor through polymeric swelling-induced variation of fluorescent intensity. We combine one-dimensional polymeric structures and aggregation-induced emission (AIE) molecules together to form a polymer/AIE microwires array as a sensor. The prepared sensors based on different commercial polymers can successfully classify and identify various organic vapors. Among them, the poly(vinyl butyral)/AIE microwires array can detect methanol vapor as low as 0.05% of its saturation vapor pressure. According to the theory of like dissolves like, we further fabricate a polymer/AIE microwires array derived from designable polyethersulfones, through regulating their side chains, to distinguish similar organic vapors of benzene and toluene. Both experimental and theoretical simulation results reveal that specific molecular interactions between the polyethersulfones and organic vapors can improve the specific recognition performance of the sensors.

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Section: Resultsmentioning

confidence: 99%

Highly-sensitive optical organic vapor sensor through polymeric swelling induced variation of fluorescent intensity

et al. 2018

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“…The typical AIE‐active LMWGs employed in these studies were summarized according to the type of AIE moiety (i.e., TPE, tetraphenylsilole [TPS], and CNS), as outlined in Figure . More specifically, typical AIE‐active LMWGs based on TPE are 43 and 44 , [ 67 ] 45 , [ 68 ] 46 , [ 69 ] 47 , [ 70 ] 48 , [ 71 ] 49 , [ 72 ] 50 , [ 73 ] 51 , [ 74 ] 52 , [ 75 ] 53 , [ 76 ] 54 , [ 77 ] 55 , [ 78 ] 56 , [ 79 ] 57 , [ 80 ] 58 and 59 , [ 81 ] and 60 , [ 82 ] while typical AIE‐active LMWGs based on TPS are 61 and 62 , [ 83 ] and 63 , [ 62 ] and typical AIE‐active LMWGs based on CNS are 7 , [ 31,35–37 ] 64 , [ 84 ] 65 , [ 85 ] 66 and 67 , [ 86 ] 68 , 69 and 70 , [ 87 ] 71 , 72 and 73 , [ 88 ] 74 , [ 89 ] 75 and 76 , [ 90 ] 77 and 78 , [ 91 ] 79 , [ 92 ] 80 , [ 93 ] 81 , [ 94 ] 82 , [ 95 ] 83 and 84 , [ 96 ] 85 and 86 , [ 97 ] 87 , 88 and 89 , [ 98 ] 90 , [ 99 ] 91 , [ 100 ] 92 , [ 101 ] 93 , [ 102 ] and 94 , 95 and 96 . [ 103 ] Information of the AIE‐active supramolecular gels from the above LMWGs based on TPE, TPS, and CNS is also summarized in Table 2 .…”

Section: Fabricationsmentioning

confidence: 99%

Aggregation‐Induced Emission‐Active Gels: Fabrications, Functions, and Applications

Xie

et al. 2021

Advanced Materials

142

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Chromophores that exhibit aggregation‐induced emission (i.e., aggregation‐induced emission luminogens [AIEgens]) emit intense fluorescence in their aggregated states, but show negligible emission as discrete molecular species in solution due to the changes in restriction and freedom of intramolecular motions. As solvent‐swollen quasi‐solids with both a compact phase and a free space, gels enable manipulation of intramolecular motions. Thus, AIE‐active gels have attracted significant interest owing to their various distinctive properties and promising application potential. Herein, a comprehensive overview of AIE‐active gels is provided. The fabrication strategies employed are detailed, and the applications of AIEgens are summarized. In addition, the gel functions arising from the AIE moieties are revealed, along with their structure–property relationships. Furthermore, the applications of AIE‐active gels in diverse areas are illustrated. Finally, ongoing challenges and potential means to address them are discussed, along with future perspectives on AIE‐active gels, with the overall aim of inspiring research on novel materials and ideas.

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“…It is necessary to design and develop sensitive chemosensors for acyl chloride gases due to their volatility. The long alkyl chain and large conjugated structure of molecules 1 and 2 can promote them self‐assembly into three‐dimensional network with porous structure and large contact area [60,61] . Solutions 1 and 2 in CH 2 Cl 2 with the concentration of 10 −4 M was coated onto the quartz plate and prepared into film.…”

Section: Resultsmentioning

confidence: 99%

Novel Naphthalimide‐Based Self‐Assembly Systems with Different Terminal Groups for Sensitive Detection of Thionyl Chloride and Oxalyl Chloride in Two Modes

Qin

Wang

et al. 2022

ChemistrySelect

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Two novel naphthalimide derivatives‐based chemosensors with the terminal groups of ethanediamine and 1,3‐diaminopropane (1 and 2) were designed and synthesized. Two compounds exhibited obvious solvatochromism properties. They could respond to some kinds of acyl chlorides through reaction with the ethylenediamine group and propylene diamine group at 4‐site. It was found that they had different response performance due to their different terminal groups. Compound 1 could sensitively detect thionyl chloride (SOCl2) and oxalyl chloride ((COCl)2) with the low limit detection (LOD) of 29.54 nΜ and 151.6 pM in the solution state, respectively. Moreover, film 1 could also respond to the abovementioned acyl chloride gases with LOD of 35.5 and 91.98 ppb, respectively. It was different that compound 2 could selectively detect (COCl)2 with a low LOD of 243.4 pM and 35 ppb for its solution and film state, respectively. NMR and HRMS experiments well demonstrated that the different detection mechanism occurred on two sensors. From this work, it was concluded that the little difference between the terminal reaction sites of naphthalimide greatly affected the detection performance, which would open a window for design functional self‐assembly sensors for acyl chlorides based on naphthalimide derivatives.

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Aggregation-induced emission nanofiber as a dual sensor for aromatic amine and acid vapor

Abstract: An AIE gelator was used as a sensor to quantitatively detect both volatile acid and aromatic amine vapors.

Cited by 65 publications

References 69 publications

Highly-sensitive optical organic vapor sensor through polymeric swelling induced variation of fluorescent intensity

Highly-sensitive optical organic vapor sensor through polymeric swelling induced variation of fluorescent intensity

Aggregation‐Induced Emission‐Active Gels: Fabrications, Functions, and Applications

Novel Naphthalimide‐Based Self‐Assembly Systems with Different Terminal Groups for Sensitive Detection of Thionyl Chloride and Oxalyl Chloride in Two Modes

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