Isobutrin from Butea Monosperma (Flame of the Forest): A Promising New Natural Sensitizer Belonging to Chalcone Class

被引：34

作者：

Agarkar, Shruti A. ^{[1
]}

Kulkarni, Roshan R. ^{[2
]}

Dhas, Vivek V. ^{[1
]}

Chinchansure, Ashish A. ^{[2
]}

Hazra, Partha ^{[3
]}

Joshi, Swati P. ^{[2
]}

Ogale, Satishchandra B. ^{[1
,3
]}

机构：

[1] Natl Chem Lab, Council Sci & Ind Res, Phys & Mat Chem Div, Pune 411008, Maharashtra, India

[2] Natl Chem Lab, Council Sci & Ind Res, Div Organ Chem, Pune 411008, Maharashtra, India

[3] Indian Inst Sci Educ & Res, Pune 411008, Maharashtra, India

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 07期

关键词：

isobutrin; Butea monosperma; chalcone; sensitizer; dye-sensitized solar cell; TiO2; TIO2; SOLAR-CELLS; HIGH-EFFICIENCY; CHLOROPHYLL; PHOTOSENSITIZATION; PIGMENTS; DYES; CONVERSION; STABILITY;

D O I：

10.1021/am200341y

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, "isobutrin", an ecofriendly sensitizer that is extracted from Butea monosperma (commonly known as "Flame of the Forest") flowers, is introduced. It is a bright yellow pigment belonging to the chalcone class and is examined as a sensitizer for optoelectronic applications. It is observed that chelation of this dye with Ti ions results into a strong dye-TiO2 charge transfer (DTCT) band in the visible region. This Ti-Isobutrin chelate is stable, irreversible and its formation is studied using Benesi-Hildebrand plot. The locations of HOMO-LUMO states of the Ti-isobutrin chelate and the corresponding band alignment with TiO2 are obtained. Also, a thermal stability test revealed that isobutrin is stable above 100 degrees C.

引用

页码：2440 / 2444

页数：5

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