A Stable 3D Zn-Coordination Polymer Sensor Based on Dual Luminescent Ligands for Efficient Detection of Multiple Analytes under Acid or Alkaline Environment

Abstract

A novel 3D luminescent coordination polymer (LCP) butane, H 4 odpa = 4, 4′oxidiphthalic acid) was successfully synthesized under solvothermal conditions. LCP 1 displays remarkable fluorescent behavior and stability in a wide range of pH values and different pure organic solvents. More importantly, LCP 1 can become an outstanding candidate in the selective sensing of Fe 3+ , Bi 3+ , Cr 2 O 7 2− , MnO 4 − , nitrobenzene (NB), acetaldehyde (AH), and acetylacetone (Hacac) under a lower detection limit. The change process of fluorescent intensity of these seven analytes in a diverse pH range indicates that LCP 1 can be an excellent luminescent sensor in multiple acid/base solutions. As far as we know, it is an infrequent example of a CP-based multiresponsive fluorescent sensor for metal cations, oxyanions, and toxic organic solvents under an acid or alkaline environment.

Uncoordinated‐substituents‐induced zinc(II) coordination polymers exhibiting multifunctional fluorescent sensing activity for cations, anions and organochlorine pesticides

“…The probe must have high selectivity in order to stably detect specific analytes without interference from other substances [35,52,53] . The anti‐interference experiment was carried out.…”

“…The probe must have high selectivity in order to stably detect specific analytes without interference from other substances. [35,52,53] The anti-interference experiment was carried out. Other pesticide solutions (1,2,3-TCB, 1,2,4,5-TCB, AT) with constant concentration were added to the suspension of 1 and 2.…”

Versatile sensing platform of an innovative copper oxide-assisted Cu-phenolic coordination nanosheet-mediated fluorophore-tagged GT-rich SSA-based fluorescence ON–OFF biosensor for the subsequent detection of Cd2+ and S2− ions

“…The development of efficient and specific methods for detecting different toxic metal ions and non-metal ions has been a noticeable area of research for the past few decades because these ions are involved in a wide range of biological and industrial processes. 1,2 Among them, the Cd 2+ and S 2À have attracted great attention because of their notorious histories. Cadmium ions (Cd 2+ ) have numerous applications that benefit mankind, which include plastics, fertilizers, etc.…”

A {Zn5} cluster‐based metal–organic framework: Multifunctional detection of Ag+, Cr2O72−, and 2,4,6‐trinitrophenol (TNP)

“…Metal–organic frameworks (MOFs), also known as porous coordination polymers (PCPs), [ 1 ] are attracting increasing attention due to their unique structures and potential applications in the fields that include luminescence, magnetism, [ 2–4 ] storage/separation, [ 5–8 ] catalysis, [ 9–12 ] ion exchange, [ 13–15 ] and drug delivery. [ 16–18 ] As fluorescent probes for detecting cations, [ 1,19–21 ] anions, [ 22–26 ] biomarkers, [ 27–29 ] explosives, [ 30–34 ] and so forth, [ 35–37 ] they have attracted much attention due to their high sensitivity and efficiency. For cations, silver ions (Ag + ) have wide applications in various fields such as biomedicine and antibacterial manufacturing.…”