User profiles for Joshua Humphreys

Joshua Humphreys

- Verified email at croataninstitute.org - Cited by 124

Joshua Humphreys

- Verified email at ic.ac.uk - Cited by 66

Towards more sustainable synthesis of diketopyrrolopyrroles

F Pop, J Humphreys, J Schwarz, L Brown… - New Journal of …, 2019 - pubs.rsc.org
The alkylation of 1,4-diketo-3,6-arylpyrrolo[3,4-c]pyrroles (ArDPP) is one of the most important
steps in the synthesis of soluble materials based on these molecules and the polymers …

[HTML][HTML] Solid state structure and properties of phenyl diketopyrrolopyrrole derivatives

J Humphreys, F Pop, PA Hume, AS Murphy, W Lewis… - …, 2021 - pubs.rsc.org
The solid state supramolecular interactions of diketopyrrolopyrrole derivatives (DPPs) and
their correlation with thin film optical properties are of particular interest because of the …

Ground and Excited States of Bis‐4‐Methoxybenzyl‐Substituted Diketopyrrolopyrroles: Spectroscopic and Electrochemical Studies

AS Murphy, CE Killalea, J Humphreys… - …, 2019 - Wiley Online Library
A series of symmetrically bis‐4‐methoxybenzyl (4MB) N‐substituted 1,4‐diketopyrrolo[3,4‐c]pyrrole
(DPP) derivatives have been synthesized. The 4MB unit makes the DPP core soluble…

Modulation of the optical properties of soluble N-alkylated 4-pyridyl diketopyrrolopyrrole derivatives

J Humphreys, F Malagreca, P Hume, W Lewis… - Dyes and …, 2022 - Elsevier
The absorption and fluorescence properties of N-alkylated 3,6-di (pyridin-4-yl)-2,5-dihydropyrrolo
[3,4-c]pyrrole-1,4-dione (PyrDPP NH) derivatives in solution and the solid state are …

Self‐assembly of chiral diketopyrrolopyrrole chromophores giving supramolecular chains in monolayers and twisted microtapes

J Humphreys, CE Killalea, F Pop, ES Davies… - Chirality, 2023 - Wiley Online Library
Chiral diketopyrrolopyrroles appended with enantiomeric ethyl lactate functions through an
ether linkage to the aryl backbone of the chromophore were synthesized via the Mitsunobu …

Methane emissions from rice across a soil organic matter gradient in Alfisols of Arkansas, USA

J Humphreys, KR Brye, C Rector, EE Gbur - Geoderma Regional, 2019 - Elsevier
Quantifying greenhouse gas (GHG) emissions in agricultural settings has become critically
important in determining the magnitude of agricultural impacts on global climate change. …

Educational Endowments and the Financial Crisis: Social Costs and Systemic Risks in the Shadow Banking System (A Study of Six New England Schools)

J Humphreys - Available at SSRN 1613450, 2010 - papers.ssrn.com
Provides comparative analysis of six New England college endowments (Boston College,
Boston University, Brandeis, Dartmouth, Harvard, and MIT) during the financial crisis of 2007-…

Durkheimian sociology and 20th-century politics: the case of Célestin Bouglé

JM Humphreys - History of the Human Sciences, 1999 - journals.sagepub.com
This article revises received wisdom about the Durkheimian school of sociology and its
relationship to Marxism by analyzing the work of Célestin Bouglé, one of the most influential and …

N2O emissions and global warming potential as affected by water management and rice cultivar on an Alfisol in Arkansas, USA

C Rector, KR Brye, J Humphreys, RJ Norman… - Geoderma …, 2018 - Elsevier
The objectives of this study were to evaluate the effects of water management practice (full-season-flood
and intermittent-flood) and cultivar (pure-line and hybrid) on nitrous oxide (N 2 O…

Recent Trends in Sustainable and Responsible Investingin the United States

M Voorhes, J Humphreys - The journal of investing, 2011 - pm-research.com
Today, nearly one out of every eight dollars under professional management in the United
States is invested according to strategies of sustainable and responsible investing (SRI), also …