In 2018,Al-Horaibi, Sultan A.; Gaikwad, S. T.; Rajbhoj, Anjali S. published 《Synthesis, characterizations, and comparative study of electro-optical properties of indole-based squaraine sensitizers as efficiency to enhancing dye-sensitized solar cells》.Advanced Materials Letters published the findings.SDS of cas: 3395-91-3 The information in the text is summarized as follows:
Squaraine dyes (SQ) have acquired sufficiently great attention as dye-sensitized solar cell (DSSCs) materials. In the present study, we have synthesized and characterized of two novel sym. sensitizers dyes for dye-sensitized solar cells which contain electron withdrawing (-COOH) group with long alkyl ester chain (SQ1) and another without encoring group (SQ2). We have investigated the structural, electronic, photo-electrochem., and charge transport properties of two SQ1& SQ2 indole-based squaraine dyes. The ground state geometry has been computed by applying d. functional theory (DFT). The excitation energy and the oscillator strength were calculated by using time-dependent (DFT-TD) at DFT/B3LYP/ 6-31G** level of theory. We have focused and study on the frontier MOs (HOMO and LUMO), electron injection (ΔGinject), light harvesting efficiency (LHE), open-circuit voltage (Voc), relative electron injection (ΔGrinject), and short-circuit c.d. (Jsc). The effect of-COOH as (acceptor) and -OCH3 (donor) groups on SQ1 and SQ2 were investigated. The factors affecting, ΔGinject, LHE, Voc and Jsc revealed that SQ1 would be more favorable to enhance the performance of DSSCs. The theor. calculations and absorbance results show that the electron d. of LUMO of SQ1 is delocalized in the whole chromophore, leading to strong electronic coupling between SQ1 and TiO2 surface. So, the SQ1 sensitized solar cells exhibit better photovoltaic performance.Methyl 3-bromopropanoate(cas: 3395-91-3SDS of cas: 3395-91-3) was used in this study.
Methyl 3-bromopropanoate(cas: 3395-91-3) belongs to bromides. A variety of minor organobromine compounds are found in nature, but none are biosynthesized or required by mammals. Organobromine compounds have fallen under increased scrutiny for their environmental impact.SDS of cas: 3395-91-3
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary