Molecular lemmings: strategies to avoid when designing BODIPY ferrocene dyads for dye-sensitized solar cell applications†,Dalton Transactions

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Molecular lemmings: strategies to avoid when designing BODIPY ferrocene dyads for dye-sensitized solar cell applications†
Dalton Transactions ( IF 3.5 ) Pub Date : 2018-03-06 00:00:00 , DOI: 10.1039/c8dt00174j
B. A. Hussein _{1,

2,

3,

4} , J. T. Huynh _{1,

2,

3,

4} , P. L. Prieto _{1,

2,

3,

4} , C. P. Barran _{1,

2,

3,

4} , A. E. Arnold _{1,

2,

3,

4} , O. V. Sarycheva _{1,

2,

3,

4} , A. J. Lough _{4,

5,

6} , B. D. Koivisto _{1,

2,

3,

4}

Affiliation

BODIPY (4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes) dyes possess intense absorption profiles that can be exploited in various light harvesting applications. However, redox stability and optimization of frontier molecular orbital energies in these dyes are critical for their successful incorporation into new solar cell materials. This article describes the synthesis and characterization of a family of β-substituted BODIPY-ferrocene dyads with push–pull architectures. Designed to stabilize the photo-oxidized BODIPY for dye-sensitized solar cell (DSSC) applications, some deleterious electron transfer behaviours emerged when the ferrocene unit was conjugated to electron deficient BODIPYs. These findings are discussed herein.

中文翻译：

分子诱捕：为染料敏化太阳能电池应用设计BODIPY二茂铁染料时应避免的策略†

BODIPY（4,4-difluoro-4-bora-3a，4a-diaza-s-indacenes）染料具有很强的吸收特性，可在各种光收集应用中使用。但是，这些染料的氧化还原稳定性和前沿分子轨道能的优化对于将它们成功地掺入新的太阳能电池材料中至关重要。本文介绍了具有推挽式结构的β-取代的BODIPY-二茂铁二元家族的合成和表征。为稳定光氧化的BODIPY而设计，用于染料敏化太阳能电池（DSSC）应用，当二茂铁单元与缺电子的BODIPYs共轭时，出现了一些有害的电子转移行为。这些发现在本文中讨论。

更新日期：2018-03-06

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