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52708-37-9

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52708-37-9 Usage

Uses

4-(Carbazol-9-yl)aniline

Check Digit Verification of cas no

The CAS Registry Mumber 52708-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,0 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52708-37:
(7*5)+(6*2)+(5*7)+(4*0)+(3*8)+(2*3)+(1*7)=119
119 % 10 = 9
So 52708-37-9 is a valid CAS Registry Number.

52708-37-9Relevant articles and documents

Phthalimide organic light-emitting material with aggregation-induced emission and linear force stimulation-light-emitting color change response and application thereof

-

, (2021/07/01)

The invention belongs to the technical field of organic light-emitting materials, and particularly discloses a class of phthalimide organic light-emitting materials with aggregation-induced emission and linear force stimulation-light-emitting color change

Carbazole-perylenebisimide electron donor/acceptor dyads showing efficient spin orbit charge transfer intersystem crossing (SOCT-ISC) and photo-driven intermolecular electron transfer

Barbon, Antonio,Mahmood, Zafar,Rehmat, Noreen,Toffoletti, Antonio,Zhang, Xue,Zhao, Jianzhang

supporting information, p. 4701 - 4712 (2020/04/22)

Perylenebisimide-carbazole (PBI-Cz) dyads were prepared to study charge-recombination (CR) induced intersystem crossing (ISC) in electron donor/acceptor dyads. The distance and the mutual orientation of the perylenebisimide (PBI) and carbazole (Cz) moieties were varied to study their effect on photophysical properties. Steady state and time-resolved optical spectroscopies show that electronic coupling between the electron donor and acceptor is negligible at the ground state. The fluorescence of the PBI moiety is strongly quenched in the dyads, and a larger separation between the donor and the acceptor results in less fluorescence quenching. The Gibbs free energy changes of the electron transfer and the energy level of the charge transfer state were studied using the electrochemical and optical spectra data. The singlet oxygen quantum yields (ΦΔ) are up to 72% for dyads with the shortest separation between the donor and the acceptor. Nanosecond transient absorption spectra confirmed the formation of the PBI-localized long lived triplet state (the lifetime is up to 190 μs). Notably non-orthogonal dyads show efficient spin orbit charge transfer (SOCT-ISC), which is different from the previously proposed orthogonal molecular structure for SOCT-ISC. Time-resolved electron paramagnetic resonance (TREPR) spectroscopy shows that all three dyads give the same electron spin polarization of eae/aea, and thus the radical pair ISC (RP ISC) mechanism is excluded, which is different from the previously reported PBI-phenothiazine analogues. Efficient and reversible transformation of dyads to their radical anion was observed in the presence of sacrificial electron donor triethanolamine in an inert atmosphere with photo-irradiation.

Preparation of various morphological films at nanoscale by phase separation method

Gal, Yeong-Soon,Kim, Yong Hyun,Lim, Kwon Taek,Phan, Quoc Thang,Tu, Thi Kieu Trang

, p. 127 - 134 (2020/10/02)

A film consisting of nanopore and nanopillar structures was produced from a binary immiscible polymer solution of poly(amic acid) (PAA) and polyimide (PI), which can be used as a potential light extraction layer or flexible substrate in organic light-emit

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