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Works (22)
Updated: April 5th, 2024 08:18
2020 journal article
Effects of polymer crystallinity on non-fullerene acceptor based organic solar cell photostability
JOURNAL OF MATERIALS CHEMISTRY C, 8(45), 16092–16099.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: December 21, 2020
2018 journal article
Charge generation dynamics in polymer nonfullerene solar cells with low energy loss
JOURNAL OF PHOTONICS FOR ENERGY, 8(3).
author keywords: nonfullerene acceptors; charge transfer; charge separation; energy loss; heterojunction
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 11, 2019
2018 journal article
Every Atom Counts: Elucidating the Fundamental Impact of Structural Change in Conjugated Polymers for Organic Photovoltaics
CHEMISTRY OF MATERIALS, 30(9), 2995–3009.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2018 journal article
Polymer non-fullerene solar cells of vastly different efficiencies for minor side-chain modification: impact of charge transfer, carrier lifetime, morphology and mobility
JOURNAL OF MATERIALS CHEMISTRY A, 6(26), 12484–12492.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2018 journal article
The Role of FRET in Non-Fullerene Organic Solar Cells: Implications for Molecular Design
JOURNAL OF PHYSICAL CHEMISTRY A, 122(15), 3764–3771.
TL;DR:
It is shown that when charge transfer and exciton transfer processes are both present, the coexistence of excites in both domains can cause a loss mechanism and excitons in low-bandgap material should have a relatively long lifetime compared to the transfer time of exciton population in the larger bandgap acceptor domains.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2017 journal article
A near-infrared non-fullerene electron acceptor for high performance polymer solar cells
ENERGY & ENVIRONMENTAL SCIENCE, 10(7), 1610–1620.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 journal article
Efficient generation of long-lived triplet excitons in 2D hybrid perovskite
Advanced Materials, 29(9).
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Single component organic solar cells based on oligothiophene-fullerene conjugate
Advanced Functional Materials, 27(39).
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Strong polymer molecular weight-dependent material interactions: impact on the formation of the polymer/fullerene bulk heterojunction morphology
Journal of Materials Chemistry A, 5(25), 13176–13188.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
2017 journal article
The impact of sequential fluorination of pi-conjugated polymers on charge generation in all-polymer solar cells
Advanced Functional Materials, 27(29).
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Ultraviolet-ozone surface modification for non-wetting hole transport materials based inverted planar perovskite solar cells with efficiency exceeding 18%
JOURNAL OF POWER SOURCES, 360, 157–165.
author keywords: Inverted planar perovskite solar cell; Non-wetting hole transport material; Ultraviolet-ozone modification; Solution process
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
A PCBM Electron Transport Layer Containing Small Amounts of Dual Polymer Additives that Enables Enhanced Perovskite Solar Cell Performance
ADVANCED SCIENCE, 3(9).
TL;DR:
A polymer/PCBM hybrid electron transport layer is reported that enables high‐performance perovskite solar cells with a high power conversion efficiency of 16.2% and with negligible hysteresis.
(via Semantic Scholar)
onlinelibrary.wiley.com (publisher PDF)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Charge photogeneration in organic photovoltaics: Role of hot versus cold charge-transfer excitons
Advanced Energy Materials, 6(1).
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 journal article
Controlling Energy Levels and Blend Morphology for All-Polymer Solar Cells via Fluorination of a Naphthalene Diimide-Based Copolymer Acceptor
MACROMOLECULES, 49(17), 6374–6383.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Design and synthesis of BODIPY sensitizers with long alkyl chains tethered to N-carbazole and their application for dye sensitized solar cells
MATERIALS CHEMISTRY AND PHYSICS, 184, 57–63.
Contributors: H. Cheema n, R. Younts n, n, K. Gundogdu n & A. El-Shafei n
author keywords: Electronic materials; Interfaces; Optical materials; Surfaces; Electrochemical techniques
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2016 journal article
Effects of Cd Diffusion and Doping in High-Performance Perovskite Solar Cells Using CdS as Electron Transport Layer
JOURNAL OF PHYSICAL CHEMISTRY C, 120(30), 16437–16445.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Efficient Charge Transfer and Fine-Tuned Energy Level Alignment in a THF-Processed Fullerene-Free Organic Solar Cell with 11.3% Efficiency
Advanced Materials, 29(5), 1604241.
TL;DR:
Fullerene-free organic solar cells show over 11% power conversion efficiency, processed by low toxic solvents, and the applied donor and acceptor in the bulk heterojunction exhibit almost the same highest occupied molecular orbital level, yet exhibit very efficient charge creation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018
2015 journal article
A femtosecond study of the anomaly in electron injection for dye-sensitized solar cells: the influence of isomerization employing Ru(II) sensitizers with anthracene and phenanthrene ancillary ligands
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17(4), 2750–2756.
Contributors: H. Cheema n, R. Younts n, L. Ogbose*, n, K. Gundogdu n & A. El-Shafei n
TL;DR:
Analysis of photo-induced spectral features measured by femtosecond transient absorption spectroscopy showed that excited electrons in HD-7 are prone to ISC (intersystem crossing) much more than HD-8 and those triplet electrons are not injected into TiO2 efficiently.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2015 journal article
Charge Generation Dynamics in Efficient All-Polymer Solar Cells: Influence of Polymer Packing and Morphology
ACS APPLIED MATERIALS & INTERFACES, 7(50), 27586–27591.
author keywords: all polymer solar cells; charge generation/recombination; nanomorphology; polymer packing; ultrafast spectroscopy
TL;DR:
Measurement of exciton relaxation and charge separation dynamics using ultrafast spectroscopy in polymer/polymer blends with different molecular packing and morphology indicates that preferential face-on configuration with intermixed nanomorphology increases the charge generation efficiency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2015 journal article
Direct Optical Observation of Stimulated Emission from Hot Charge Transfer Excitons in Bulk Heterojunction Polymer Solar Cells
JOURNAL OF PHYSICAL CHEMISTRY C, 119(34), 19697–19702.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 journal article
Influence of mono versus bis-electron-donor ancillary ligands in heteroleptic Ru(II) bipyridyl complexes on electron injection from the first excited singlet and triplet states in dye-sensitized solar cells
JOURNAL OF MATERIALS CHEMISTRY A, 2(34), 14228–14235.
Contributors: H. Cheema n, A. Islam *, L. Han *, n, R. Younts n, K. Gundogdu n , A. El-Shafei n
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2014 journal article
More stable and more efficient alternatives of Z-907: carbazole-based amphiphilic Ru(II) sensitizers for dye-sensitized solar cells
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 16(48), 27078–27087.
Contributors: H. Cheema n, A. Islam *, R. Younts n, n, I. Bedja *, R. Gupta *, L. Han *, K. Gundogdu n , A. El-Shafei n
TL;DR:
HDR-15 was strikingly stable to light soaking conditions when employed in the presence of an ionic liquid electrolyte, which paves the way for widespread applications of dye-sensitized solar cells with long term stability.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
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