Imperial College London
Portrait Picture

Professor James Durrant, CBE, FRS

Faculty of Natural Sciences, Department of Chemistry

Professor of Photochemistry
 
 
 
//

Contact

 

+44 (0)20 7594 5321j.durrant Website

 
 
//

Assistant

 

Miss Lisa Benbow +44 (0)20 7594 5883

 
//

Location

 

G22CMolecular Sciences Research HubWhite City Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Luke:2022:10.1039/d2ta07209b,
author = {Luke, J and Jo, Y-R and Lin, C-T and Hong, S and Balamurugan, C and Kim, J and Park, B and Lee, K and Durrant, JR and Kwon, S and Kim, B-J and Kim, J-S},
doi = {10.1039/d2ta07209b},
journal = {Journal of Materials Chemistry A},
pages = {1281--1289},
title = {The molecular origin of high performance in ternary organic photovoltaics identified using a combination of in situ structural probes},
url = {http://dx.doi.org/10.1039/d2ta07209b},
volume = {11},
year = {2022}
}
Download

RIS format (EndNote, RefMan)

TY  - JOUR
AB  - A ternary blend, wherein a tertiary acceptor is incorporated into a donor:non-fullerene acceptor (NFA) binary blend has emerged as a promising strategy for improving power conversion efficiency and stability of organic bulk heterojunction photovoltaics (OPVs). However, the effects of the tertiary component remain elusive due to the complex variation of crystallinity and morphology of donor and acceptor phases during thermal annealing. Herein a combination of in situ transmission electron microscopy and X-ray diffraction spectroscopy utilized during annealing identifies that (1) the addition of the tertiary component (O-IDFBR) delays the glass transition temperature of edge-on-oriented polymer donor (P3HT), prohibits the glass transition of face-on-oriented polymer donor (P3HT), broadens the crystallization temperature of O-IDTBR, and enhances the overall crystallinity of the donor and acceptor phases (P3HT and O-IDTBR), and (2) the ternary component induces homogeneously distributed nanoscale domains rather than a microscale separation between the donor and acceptor as observed in the binary blend. The optimized nanoscale domain morphology, driven by slower crystallization and enhanced overall crystallinity leads to a more stable morphology, resulting in superior device performance and stability.
AU  - Luke,J
AU  - Jo,Y-R
AU  - Lin,C-T
AU  - Hong,S
AU  - Balamurugan,C
AU  - Kim,J
AU  - Park,B
AU  - Lee,K
AU  - Durrant,JR
AU  - Kwon,S
AU  - Kim,B-J
AU  - Kim,J-S
DO  - 10.1039/d2ta07209b
EP  - 1289
PY  - 2022///
SN  - 2050-7488
SP  - 1281
TI  - The molecular origin of high performance in ternary organic photovoltaics identified using a combination of in situ structural probes
T2  - Journal of Materials Chemistry A
UR  - http://dx.doi.org/10.1039/d2ta07209b
UR  - https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000900193100001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=a2bf6146997ec60c407a63945d4e92bb
UR  - https://pubs.rsc.org/en/content/articlelanding/2023/TA/D2TA07209B
UR  - http://hdl.handle.net/10044/1/101823
VL  - 11
ER  -
Download