Chemistry is traditionally divided into organic and inorganic chemistry. Safety of Pd2(DBA)3, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 52409-22-0
Random D-A1-D-A2 terpolymers based on benzodithiophene, thiadiazole[3,4-e]isoindole-5,7-dione and thieno[3,4-c]pyrrole-4,6-dione for efficient polymer solar cells
Recent developments on regio-regular and random terpolymers based on a donor/acceptor architecture (D1-A-D2-A or D-A1-D-A2) have shown promising results for their use as donor materials in bulk heterojunction (BHJ) polymer solar cells. New random terpolymers including benzo[1,2-b:4,5-b?]-dithiophene (BDT) as the electron-donor moiety and thiadiazolo[3,4-e]isoindole-5,7-dione (TID) and thieno[3,4-c]pyrrole-4,6-dione (TPD) as electron-accepting moieties were synthesized by Stille cross-coupling polymerization. Incremental addition of TPD (from 0 to 90%) led to the following random terpolymers: P[(BDT-TID)x-(BDT-TPD)y]n. Their electro-optical and photovoltaic properties were investigated. These high molecular weight and highly processable random terpolymers exhibited broad and strong absorption (300-800 nm), moderate bandgaps (1.52 eV to 1.64 eV) and deep-lying HOMO/LUMO energy levels (?5.6 eV and ?3.9 eV, respectively). First, the optimized inverted device ITO/ZnO/P1:PC71BM/MoO3/Ag (where P1 is a typical D/A copolymer; TID 100%; TPD 0%) showed a power conversion efficiency up to 6.36% which is higher than the PCE reported in the literature for an analog of P1 (3.42%). Then, devices based on random terpolymers (P2-P10) showed power conversion efficiencies ranging from 5.06% (for P7; 40% TID/60% TPD) up to 6.70% (for P2; 90% TID/10% TPD) when PC61PM is used as the electron acceptor. A PCE as high as 7.30%, a Voc of 0.81 V, a Jsc of 13.86 mA cm?2 and a FF of 65% were achieved for P2 when PC71PM was used. This PCE is among the highest PCE values reported for random terpolymer-based polymer solar cells.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method