Glycine self-assembled on graphene enhances the solar absorbance performance

被引：21
|
作者：
Ersan, Fatih [1 ,2 ]
Akturk, Ethem [1 ,3 ]
Ciraci, Salim [2 ]
机构：
[1] Adnan Menderes Univ, Dept Phys, TR-09100 Aydin, Turkey
[2] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
[3] Adnan Menderes Univ, Nanotechnol Applicat & Res Ctr, TR-09010 Aydin, Turkey
来源：
CARBON | 2019年 / 143卷
关键词：
Graphene; Amino acid; Density functional theory; Solar absorber; Electronic band structure; TOTAL-ENERGY CALCULATIONS; AB-INITIO; ADSORPTION; MOLECULES; POINTS; CELLS;
D O I：
10.1016/j.carbon.2018.11.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Despite its high solar absorbance and surface coating abilities, pristine graphene as a semimetal is not promising for photovoltaic applications. In this study, we predict that Glycine (Gly), an amino acid, which is normally bound to pristine graphene by a weak van der Waals attraction, can form an organic coating durable to ambient condition when adsorbed on vacancy patterned graphene surface. Moreover, adsorbed Gly coating induces metal-insulator transition and concomitantly increases the solar absorbance of pristine graphene more than three times. This way, graphene attain critical functionalities to be used in solar energy and photovoltaic applications. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：329 / 334
页数：6
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