18,355 research outputs found

    CSR, Contracting and Socially Responsible Investment : Opportunities for Pakistani Firms

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    The purpose of our paper is to explore two ways in which Pakistani firms can take advantage of the growing corporate social responsibility movement so as to improve their own economic performance. First, the presence of MNCs in Pakistan, the vast majority of which have made significant CSR undertakings, means that Pakistani firms seeking to do business with them will often have to meet CSR tests themselves. Second, the increasing financial clout of so-called Socially Responsible Investement (SRI) funds means that Pakistani firms have an incentive to comply with CSR standards so as to become eligible investment instruments. We begin by canvassing briefly the history of CSR movement and what are by now relatively well-known CSR principles and standards. We then explore some examples of how Pakistan-based multinationals as well local firms are currently engaging in CSR practices. We argue that Pakistan can and should acquire the reputation for being a leader in this domain.corporate social responsibility movement, economic performance, CSR

    Synthetic considerations in the self-assembly of coordination polymers of pyridine-functionalised hybrid Mn-Anderson polyoxometalates

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    The incorporation of polyoxometalates (POMs) as structural units into ordered porous constructs such as metal-organic frameworks (MOFs) is desirable for a range of applications where intrinsic properties inherited from both the MOF and POM are utilised, including catalysis and magnetic data storage. The controlled self-assembly of targeted MOF topologies containing POM units is hampered by the wide range of oxo and hydroxo units on the peripheries of POMs that can act as coordinating groups towards linking metal cations leading to a diverse range of structures, but incorporation of organic donor units into hybrid POMs offers an alternative methodology to programmably synthesise POM/MOF conjugates. Herein, we report six coordination polymers obtained serendipitously wherein Zn2+ and Cu2+ link pyridine-appended Mn-Anderson clusters into two- and three-dimensional network solids with complex connectivities and topologies. Careful inspection of their solid-state structures has allowed us to identify common structure-directing features across these coordination polymers, including a square motif where two Zn2+ cations bridge two POMs. By correlating certain structural motifs with synthetic conditions we have formulated a series of design considerations for the self-assembly of coordination polymers of hybrid POMs, encompassing the selection of reaction conditions, co-ligands and linking metal cations. We anticipate that these synthetic guidelines will inform the future assembly of hybrid POMs into functional MOF materials
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