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1313574-89-8

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1313574-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1313574-89-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,5,7 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1313574-89:
(9*1)+(8*3)+(7*1)+(6*3)+(5*5)+(4*7)+(3*4)+(2*8)+(1*9)=148
148 % 10 = 8
So 1313574-89-8 is a valid CAS Registry Number.

1313574-89-8Downstream Products

1313574-89-8Relevant articles and documents

Synthesis and characterization of a new phenanthrenequinoxaline-based polymer for organic solar cells

Jo, Eunsol,Park, Jong Baek,Lee, Woo-Hyung,Kim, Ji-Hoon,Jung, In Hwan,Hwang, Do-Hoon,Kang, In-Nam

, p. 2804 - 2810 (2016)

Two donor–acceptor (D-A) conjugated polymers, PQx and PphQx, composed of alkylthienyl-substituted benzo[1,2-b:4,5-b']dithiophene (BDTT) as the electron donor and the new electron acceptors quinoxaline (Qx) or phenanthrenequinoxaline (phQx), were synthesized with Stille cross-coupling reactions. The number-averaged molecular weights (Mn) of PQx and PphQx were found to be 25.1 and 23.2 kDa, respectively, with a dispersity of 2.6. The band-gap energies of PQx and PphQx are 1.82 and 1.75 eV, respectively. These results indicate that, because phQx units have highly planar structures, their inclusion in D-A polymers will be a very effective method for increasing the polymers' effective conjugation lengths. The hole mobilities of PQx and PphQx were determined to be 5.0 × 10?5 and 2.2 × 10?4 cm2 V?1 s?1, respectively. A polymer solar cell device prepared with PphQx as the active layer was found to exhibit a power conversion efficiency (PCE) of 5.03%; thus, the introduction of phQx units enhanced both the short circuit current density and PCE of the device.

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